Produktbroschüre Wireless Power Transfer Coils von Würth Elektronik eiSos, Überblick



Beschreibung

Wireless Power Transfer Coils


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Wireless Power Transfer Coils

2017

Transmitter CoilsCoil ArraysReceiver Coils

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Content

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Helpful Information

New Products 2017  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
About Würth Elektronik  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Wireless Power Transfer  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Information in this publication is subject to change. The process of continually improv-
ing our product range leads to changes in content. For new designs please refer to the
latest data sheets on www.we-online.com or contact our technical field staff.

2

1

3

Wireless Power Transmitter Coil

. . . . . . . . . . . . . . .  26

Wireless Power Array

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  32

Wireless Power Receiver Coil

. . . . . . . . . . . . . . . . . .  34

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New Products 2017

WIRELESS POWER TRANSMITTER COIL

760 308 102 144

Compact, high-current coil for applications >100 W in the professional area
of medical technology and industry.

Power up to 200W applicable (currently no market competitor)

Works with standard Qi semiconductor devices up to 15W

Extremely high quality ratings due to high permeability shielding

Low R

DC

WIRELESS POWER TRANSMITTER COIL

760 308 102 308

Compact transmitter coil for applications <15 W in the professional area of
wearables and medical technology

Transmitter coil for resonance solution

Multiple device charging

Small form factor dedicated for wearable devices

Low R

DC

High Q-factor

WIRELESSS POWER TRANSMITTER COILS

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WIRELESSS POWER RECEIVER COILS

WIRELESS POWER RECEIVER COILS

760 308 103 305, 760 308 103 306, 760 308 103 307

Receiver coils -305, -306 and -307 can be used as Qi,
Airfuel Alliance and NFC coils

Smallest multi standard coils on the market which work
with the standard Qi ICs

Simple assembly thanks to double-sided adhesive tape
on the back which holds over the wide range of working
temperature and during the soldering process

High Q-factor achieves efficiency increase due to

higher permeability of the core material

Thanks to the high quality wires, wave soldering
process is possible

Parallel connection of wires results in lowest
R

DC

compared to competitors

Applicable for up to 15 W
(up to 40 W outside the standards)

Beneficial for a broad variety of applications out of
- Medical technology
- Industry
- Furniture

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The Würth Elektronik eiSos Group

THE WÜRTH
ELEKTRONIK EISOS
GROUP IS ONE OF
THE FASTEST
GROWING AND
MOST INNOVATIVE
COMPANIES OF
THE WÜRTH GROUP

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*2016

The Würth Elektronik Group

Standard

Custom

eiSos

eiCan

Amber

Passive Components

Power Modules

LEDs

Electromechanical

Components

Wireless Connectivity

Automotive

Magnetics

Connectors

Electronic &

Electromechanical

Components

Printed Circuit Boards

Intelligent Power

and Control Systems

Sales:
eiSos:   555 mill. €*

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Globally available. Locally present.

Milpitas (USA)

Irapuato (Mexico)

Watertown (USA)

Lyon (France)

Waldenburg (Germany)

Thyrnau (Germany)

Oggiono (Italy)

Tab (Hungary)

Blaj (Romania)

Berlin (Germany)

Munich (Germany)

Nurmijärvi (Finland)

Budweis (Czech Republic)

Belozem (Bulgaria)

Barcelona (Spain)

Esslingen (Germany)

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SALES OFFICE

PRODUCTION

DISTRIBUTION

QUALITY & DESIGN CENTER

WAREHOUSE

Fuling (China)

Tongzi (China)

Huzhou (China)

Taichung (Taiwan)

Hong Kong (Hong Kong)

Longgang (China)

Shenyang (China)

Bangalore (India)

Nakhon Ratchasima (Thailand)

Tianjin (China)

Seoul (South Korea)

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Electronic Components at a Glance

Before Setting Up:

Axial & Toroidal Ferrites

After Setting Up:

Cable Ferrites

EMI Cu-/Alu-

STAR-Series

WE-AFB

WE-AEFA

IC / SMPS

Receiver

WPCC

Suppression

partially

isolated

Transformer:

WE-FLEX,

WE-FLEX

+

,

WE-FB

WE-GDT

WE-GDTI

Single Coil Power Inductor:

SMD: WE-TPC, WE-HCI, WE-MAPI, WE-MAIA,

WE-LQS, WE-LQSH, WE-LQSF, WE-LHMI, WE-XHMI,

WE-FAMI, WE-HCM, WE-HCC, WE-PD, WE-PDA, WE-PDF,

WE-PD2, WE-PD2A, WE-HCF,

WE-SPC, WE-PMI, WE-PMMI, WE-PMCI

THT: WE-SI, WE-TI, WE-TIF, WE-TIS, WE-SD

Dual Coil Power Inductors:

WE-EHPI, WE-TDC, WE-DD,

WE-DCT,WE-CFWI, WE-FLEX,

WE-FLEX

+

WE-WPCC

CABLE EMI

no

Power Factor

Correction

HOUSING EMI

PFC Choke

WE-PFC

EMI

Contact

Fingers

WE-SECF

Transformer:

WE-UNIT,

WE-SLIM,

WE-UOST

isolated

yes

no

Surge Protection

Power Inductor:

SMD: WE-PD2 HV

THT: WE-TI HV

Common Mode:

WE-CMB, WE-CMBNC, WE-LF,

WE-LF SMD, WE-FC, WE-FCL, WE-CMBH,

WE-CMB HC, WE-CMB HV, WE-CMB

NiZn, WE-ExB, WE-TPB HV WE-TFC,

WE-TFCH

Filter

Differential Mode:

SMD: WE-SUKW

THT: WE-SD, WE-TI,

WE-FI, WE-UKW

VOLTAGE DISTRIBUTION

Varistors:

THT: WE-VD

SMD: WE-VS,

WE-TVSP

Flyback

DC / DC Modules

MagI³C-LDHM

LED Driver

Coupled / Flyback

POWER SUPPLY

yes

Ultraviolet

Infrared

LEDs

MagI

3

C-VDRM,

MagI³C-FDSM,

MagI³C-FISM

Visible

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ESD Suppressor WE-VE, WE-VEA, TVS Diode WE-TVS,

WE-TVSP

EMI Filter WE-CBF, WE-CBA

WE-ASI Choke

Transformer WE-LAN, WE-LAN 10G

WE-PoE, WE-PoE+, WE-PoEH

Antenna

Filter

Matching

Chip Antenne

Conductive

Shielding

Gaskets

RS232 / RS485

not integrated

WE-LPF, WE-BPF, WE-BAL, WE-CAIR , WE-AC HC

Filter

ASI

integrated

Transmitter

Common Mode:

SMD: WE-SL Serie, WE-CMS

THT: WE-MLS

Differential Mode:

SMD: WE-CBF, WE-CBA, WE-SUKW, WE-PF, WE-PD2,

WE-PD2A, WE-HCI, THT: WE-UKW, WE-TI, WE-SD,

WE-MPSB, WE-UCF, WE-LQ, WE-GF, WE-GFH

WE-WPCC

WE-WPCC

Common Mode Line Filter

WE-SL Series

USB 2.0 filtered

WE-EPLE

USB / FireWire

ESD Protection

CAN

Shielding Cabinet

WE-SHC

WE-RJ45 with LAN-Transformer

SMD / THT with / without LED’s

Common Mode Choke

WE-CNSW, WE-CNSW HF

WE-KI, WE-KI HC, WE-MK, WE-TCI

WL-SUMW

WL-SIMW, WL-TIRW

Ethernet

Array

Aluminum Electrolytic Capacitors

Aluminum Polymer Capacitors

Bluetooth

WLAN

GPS

ISM 868

RF

INTERFACE

Electrolytic Capacitors

MLCC-Multilayer Ceramic

Chip Capacitors

Safety Capacitors (X/Y)

CAPACITORS

Color

WL-SMCW, WL-SBCW, WL-SFCx, WL-SMRW,

WL-SBRW, WL-SFRW, WL-SMSW, WL-SBSW,

WL-SFSW, WL-SMTW, WL-SBTW, WL-SFTW,

WL-TMRC, WL-TMRW, WL-SMDC

WL-SWTP, WL-SWTC

White

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Würth Elektronik

more than you expect

WE TAILOR

OUR QUANTITIES TO

YOUR NEEDS

SAY YES TO OUR

FAST AND COST-FREE

DESIGN-IN SUPPORT

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SERVICE IN

MINIMUM TIME!

OUR WAREHOUSE

IS ALSO YOUR WAREHOUSE.

HELP YOURSELF!

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eMobility:

Formula E as a driving innovative force

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Würth Elektronik eiSos is the official technology partner of

ABT Schaeffler Audi Sport, the only German racing team

participating already in the 3rd season in the FIA Formula E

Championship.

10 racing teams compete on 11 city circuits in the US, Canada, Europe and Asia

Drivers: Daniel Abt and Lucas di Grassi

Since the 2nd season the teams may develop the powertrain, motor and gearshift.
In season 3 also the batteries can be modified.

Maximum power of the cars: 200 kW = 272 HP

Acceleration from 0 to 100 km/h in 2.8 seconds

Maximum speed: 225 km/h

www.abt-sportsline.com
www.fiaformulae.com
www.we-speed-up-the-future.com

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WE CUT

THE CORD

APPLICATION

AREAS

Furniture

Industry

Medical Technology

2011

6 million

wireless

power units

in the

market.

Würth Elektronik starts

selling

2

wireless

power products.

1899

Nikola Tesla designs the

Wardenclyffe Tower –

the first attempt to

transmit

electricity

wirelessly

to the

world.

1997

Braun receives

patent

for the

inductive

charging

of electric

toothbrushes.

2008

The

Wireless Power

Consortium

is

founded.

Würth Elektronik starts

developing

wireless

power coils.

2007

The Massachusetts

Institute of Technology

revives the

principle of

wireless power

.

2020

2 Billion

wireless

power units

estimated

in the market.

Würth Elektronik expands

the product portfolio of

wireless power coils

into various application

areas.

2016

350 Million

wireless

power units

in the

market.

Würth Elektronik offers

40

different wireless

power coils.

6

000

000

350

000

000

2

000

000

000

2

40

(Source:

IHS)

WIRELESS POWER

PAST, PRESENT & FUTURE

HOW

WIRELESS POWER

TRANSFER

WORKS

Φ1

Φ21

Transmitter Coil

Receiver Coil

When a current flows
through the transmitter
coil, magnetic flux (

Φ1)

is generated.

The magnetic flux (

Φ1) generates

an induction voltage in the receiver
coil. Part of the magnetic flux (

Φ21)

penetrates the receiver coil and can
be used to power a device.

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WE CUT

THE CORD

Find out more about high power wireless transfer

www.we-online.com/wirelesspower/highpower

POWER UP TO

200 W

www.we-online.com/

wirelesspower

1 2 3

3

DIFFERENT

TYPES

OF COILS

Receiver

Transmitter

Array

Your tool to fi nd the perfect coil combination for
wireless power applications

www.we-online.com/wirelesspower/mixandmatch

2

Wireless Power Consortium

LEADING

STANDARDS

SIZE

OF COILS

WHY

WÜRTH

ELEKTRONIK

COILS?

Broadest portfolio of standard wireless power charging coils in the market

Best effi ciency due to best Q-factor and lowest RDC

High permeability shielding

Highly reliable construction

System support

DISTANCE

UP

TO

10 mm

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One tool, many uses. Select and compare components, view precise DC- and AC-losses by simulating
switching regulators, simulate filter circuits, request samples, share circuits and more with our exclusive

RED

EXPERT tool.

Permeability curve for every wireless
power coil plotted

Easy-to-use tool

One click to get detailled information about the coil combination

Complete portfolio of Wireless Power Coils covered

RED

EXPERT: Online Component Simulation Software

Mix and Match for Wireless Power Coils

Click on the Button

RED

EXPERT: Online Simulation for Wireless Power Applications

Free online tool

Setup in 30 seconds

Hosted on servers in

Germany

GENERAL INFORMATION

Resonance Circuit

Complex Permeability µ‘ / Frequency

www.we-online.com/

wirelesspower/mixandmatch

RED

EXPERT & Mix and Match

Your tool to find the perfect coil combination for wireless power applications.
By clicking on the selected dot you will be forwarded to our online simulation software

RED

EXPERT and

get detailed information about the specific pair of coils.

Transmitter

Receiver

Complex Permea

bility µ‘

Frequency (kHz)

Resonance tank values and coupling factor for
every coil combination available

Selected coil combination out of Mix and Match tool

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Powerful Online-Tool

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WIRELESS

POWER

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Würth Elektronik eiSos

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Design Kit

Wireless Power Design Kit 15 W

Order Code 760 308MP, Version 1.0

Available at your Würth Elektronik sales representative or online at:

For further information please visit our FAQ section at:

www.we-online.com/wirelesspower-faq

www.we-online.com/wirelesspower

Würth Elektronik and ROHM Semiconductor put together a plug & play wireless power solution to demonstrate
the advantages of wireless power and to give you the opportunity to test and integrate a wireless power solution
to your product design.

The Wireless Power Kit provides many added values:

7

7

Plug & Play 15 W Wireless Power Design Kit, Medium Power Solution

7

7

Meets the Qi Standard of the Wireless Power Consortium (WPC)

7

7

Complete solution consisting of Tx, Rx and LED load module

7

7

Flexible and modular approach for fast integration of wireless power in your product design

Content:

7

7

ROHM Transmitter Board BD57020MWV with WE 760 308 110

7

7

ROHM Receiver Board with WE 760 308 102 207

7

7

LED Load Module

7

7

Quick Start Guide

7

7

Power supply with EU, US and UK Adapter

Strategic partnerships with all major chip set suppliers

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Würth Elektronik eiSos

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Design Kit

Wireless Power Design Kit 15 W

Order Code 760 308MP , V

ersion 1.0

Available at your Würth Elektronik sales representative or online at:

For further information please visit our FAQ section at:

www.we-online.com/wirelesspower

-faq

www.we-online.com/wirelesspower

Würth Elektronik and ROHM Semiconductor put together a plug & play wireless power solution to demonstra

te

the advantages of wireless power and to g

ive you the opportunity to test and integra

te a wireless power solution

to your product design.

The Wireless Power Kit pro

vides many added v

alues:

7 7

Plug & Play 15

W Wireless Power Design Kit,

Medium Power Solution

7 7

Meets the Qi Standard of the Wireless Power Consortium (WPC)

7 7

Complete solution consisting of Tx,

Rx and LED load module

7 7

Flexible and modular approach f

or fast integra

tion of wireless power in your product design

Content:

7 7

ROHM Transmitter Board BD57020MWV with

WE 760 308 110

7 7

ROHM Receiver Board with WE 760 308 102 207

7 7

LED Load Module

7 7

Quick Start Guide

7 7

Power supply with EU,

US and UK Ada

pter

Strategic partnerships with all major chip set suppliers

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Application Areas

of Wireless Power Transfer

Wireless Power Transmission allows easy
and aseptic cleaning of medical devices.
Hermetically sealed housing is possible
with no contact degradation by aggressive
solvents.

Wireless Power Transmission solves
problems in harsh, wet and dirty envi-
ronments and increase the reliability
of the device.

Wireless Power Transmission used in
furniture for charging smart phones,
tablets and smart watches.

Medical Technology

Industry

Furniture

WIRELESS

POWER

1

02/17

Würth Elektronik eiSos

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Design Kit

Wireless Power Design Kit 15 W

Order Code 760 308MP, Version 1.0

Available at your Würth Elektronik sales representative or online at:

For further information please visit our FAQ section at:

www.we-online.com/wirelesspower-faq

www.we-online.com/wirelesspower

Würth Elektronik and ROHM Semiconductor put together a plug & play wireless power solution to demonstrate
the advantages of wireless power and to give you the opportunity to test and integrate a wireless power solution
to your product design.

The Wireless Power Kit provides many added values:

7

7

Plug & Play 15 W Wireless Power Design Kit, Medium Power Solution

7

7

Meets the Qi Standard of the Wireless Power Consortium (WPC)

7

7

Complete solution consisting of Tx, Rx and LED load module

7

7

Flexible and modular approach for fast integration of wireless power in your product design

Content:

7

7

ROHM Transmitter Board BD57020MWV with WE 760 308 110

7

7

ROHM Receiver Board with WE 760 308 102 207

7

7

LED Load Module

7

7

Quick Start Guide

7

7

Power supply with EU, US and UK Adapter

Strategic partnerships with all major chip set suppliers

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Würth Elektronik eiSos

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WE-WPCC

Wireless Power Charging Coils

Wireless Power Transfer

New challenges, but also new opportunities

By Cem Som / Jörg Hantschel

1. Introduction

The way consumers use smartphones has changed significantly in recent years. This
applies not only to all mobile devices but also to all electric appliances in industrial
and medical technology with and without batteries. Ever longer usage times and
higher power demands of the end devices either increase the demand for compact
and high-capacity batteries or the need to charge the devices wirelessly throughout
the day, which would mean the device needs to be integrated with the right wireless
charging technology.
To be successful, wireless charging must be simple and convenient to handle for the
user and have a charge performance (charge time, efficiency, ...) that is comparable
to conventional wire technology.

2. Application examples

Once the technology which is driven by consumer products (5–20 W), is established,
many kinds of applications over a wide range of industries will follow. We believe it will
be possible to charge a variety of devices in the area of mobile communications
technology (smartphones, tablets, digital cameras, fitness trackers, smart watches,
baby phones/walkie-talkies etc.) using a single charging device. Nowadays this can’t
be done because of all the different connectors, so wireless transmission of energy is
a gain in convenience and mobility for our customers.

We’re already transmitting energy wirelessly to charge batteries e.g. in electrical
toothbrushes, beard trimmers, and electric razors. New applications, such as for
hairdryers or styling irons, would be possible and would avoid annoying cords and
therefore increase the safety significantly.

In our kitchens we could use different appliances (power class 200 W – 2.4 kW) via
wireless energy transmission. Applications such as rice cookers, water boilers,
breadmakers, mixers, egg boilers and frying pans can be operated directly without
having a chargeable battery as energy supply.

In medical technology, wireless energy transfer is used to supply energy to implants
and wireless endoscopes, for biomonitoring (heart frequency, EKG, temperature, blood
pressure, neural activity), blood composition (oxygen saturation, blood glucose, carbon
dioxide, pH values), stimulation (pacemakers, muscle stimulation, neurostimulators),
monitoring and adjustment (activity, bladder pressure, implanted insuline pumps) and
also for medical machines. Today the charge contacts are worn out by very aggressive
disinfection agents. If completely encapsulated, these devices can be sterilized and
using wireless energy transfer poses no major challenges for the casing technology,
because open contacts are no longer necessary.

In the industrial area, wireless energy supplies offer the solution for many problems
that occur today in devices with charging contacts in dirty, dusty or explosion-prone
environments. This increases not only the reliability and robustness of industrial
applications, but also their durability and thereby maintenance costs will be reduced.
Wireless energy transfer can be used in driverless transport systems, suspension
tracks, cranes, conveyor systems or for supplying sensors and actuators in pressure
containers and tanks.

If helmet lamps and gas detectors have integrated wireless charge technology, this
can prevent contact sparks in mining, refineries and chemical production.

Wireless energy transfer works very well under water and can be used with diving
robots, diving torches and underwater cameras. This is very important for the water
tightness at great depths because the casings can be completely enclosed.

3.  Transmission paths for wireless power transfer

There are a variety of methods by which energy can be transferred in a contactless
manner. The field of wireless power transfer can be divided into several technologies
and categories, depending on different factors such as, for example, the distance from
the transmission source and modifications of the electromagnetic field.

Near Field

Technology

Wireless Power Transfer

Electromagnetic

Induction

Far Field

Technology

Electromagnetic

Radiation

Electrodynamic

Induction

Magnetic
Induction

Electrostatic

Induction

Magnetic

Resonance

Microwave

Power

Transmission

Laser Power

Beaming

Fig. 1

Broschuere_WPCC_2017.indd   22

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WE-WPCC

Wireless Power Charging Coils

3.1 Near-field technology

Wireless near-field power transfer can transmit energy over a distance measuring one
or several external diameters of the transmission coil or shorter than one wavelength
(λ). Near-field energy is a non-radiative power-transmission technique, but radiation
losses may still occur. In the normal case, only ohmic losses occur.

Near-field technology is subdivided into the following categories:

7

7

Electromagnetic induction

7

7

Electromagnetic resonance

7

7

Electrostatic induction

3.1.1 Electromagnetic induction
Wireless power transfer by means of electromagnetic induction in the near field is
transmitted at an in-terval of 1/6 of the wavelength of the transmission frequency. In a
current-carrying straight conductor, the magnetic field strength H and the static
magnetic field B are created around this conductor. When the wire is twisted to form a
coil, this amplifies the magnetic field, which thus takes the form of a magnetic rod
around the coil with a north and a south pole.

According to Ampere’s law, the magnetic flux around the coil is directly proportional to
the current flowing through the coil. The magnetic field strength of a coil is defined by
the flux. The more windings the coil has, the greater the magnetic field around the
coil.

It is also possible to remove the electric current and instead to position a permanent
magnet within the coil. The mechanical movement of the permanent magnet and thus
of the magnetic field induces a current in the coil. A current can also be induced when
the coil is moved over the permanent magnet (oscillation). In this way, the movement
of the coil or the modification of the magnetic field can be used to induce voltage and
current. This process is named electromagnetic induction, which constitutes the basic
principle of a transmitter.

When the distance between two coils is too great, the total primary magnetic current
does not flow through the secondary coil, which leads to a poor coupling and a
leakage inductance. Leakage inductance is always present in a coupled coil system,
since the magnetic coupling of two coils is never perfect.

3.1.2 Electromagnetic resonance
When the coupling between two galvanic isolated coils is poor, this results in leakage
inductance. One of the reasons for a poor efficiency between two coils is secondary
leakage inductance, which is much greater than the load used on the secondary coil.
This leakage inductance makes it necessary to generate a large inducted voltage in
the secondary circuit. Applying a larger current on the primary coil results in a greater
induced voltage on the secondary side, thus creating even greater losses. This is why
it is conventional practice in inductive couplings to eliminate the secondary leakage
inductance by using a capacitance.

3.1.3 Electrostatic induction
Electrostatic induction is a method for the wireless transfer of power between
electrodes of a capacitance. A high-frequency alternating voltage is generated on the
plates of a capacitance that are positioned close to each other. This generates an

electric field, resulting in a current displacement, in turn making the electric field the
power source. The power transmission is proportional to the distance between the
plates.

3.2 Far-field technology

Far-field technology enables power to be transferred over relatively large distances, in
many cases even over ranges of several kilometers. This distances are larger than the
external diameter of the coils used.

The following wireless power-transfer techniques are available for the far-field sector:

7

7

Microwave power transmission

7

7

Laser beam

3.2.1 Microwave power transmission
The technique behind microwave power transmission involves the conversion of
energy into microwaves and the transmission of the waves to a rectifier and an
antenna (together a “rectenna”). The transmitted microwaves are then converted by
the receiver into conventional electricity.

The following steps are necessary:

7

7

Conversion of the electricity into microwave form by means of a magnetron

7

7

Reception of the microwave energy by means of a rectenna

7

7

Conversion of the microwave energy into electricity

William C. Brown, a pioneer in the area of wireless power transfer, designed and
developed a system that demonstrated how energy can be transmitted through free
space in the form of microwaves.

3.2.2 Laser radiation
Laser radiation is the wireless transmission of energy (heat or electricity) from
transmitter to receiver with laser beams. The harvesting of solar power makes use of
the same transmission technique, in which the sunbeams hit photovoltaic cells and
convert the sunlight into energy. A special photovoltaic cell converts the laser beams
into energy. Laser beams are far stronger than sunbeams, can be directly pointed at
target receivers with exceptionally high accuracy, and deliver energy 24 hours a day.
This form of power can be transmitted through the atmosphere, through space, or
through optical fibers.

The advantages of laser radiation:

7

7

The close collimation of the beams enables energy to be transmitted in highly
concentrated form over great distances

7

7

The receivers are very compact and can be easily integrated into available devices

7

7

The power can be transmitted without interfering with high-frequency communica-
tion systems (e.g. WiFi or LTE)

7

7

Laser radiation can use all existing sources of energy for the laser

7

7

Energy can be transmitted through free space or by optical-fiber networks

The drawbacks of laser radiation:

7

7

Poor efficiency

7

7

Transmitter and receiver must have a direct line of sight

7

7

The efficiency of the system is susceptible to atmospheric conditions

Broschuere_WPCC_2017.indd   23

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22

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®

WE-WPCC

Wireless Power Charging Coils

Wireless Power Transfer

New challenges, but also new opportunities

By Cem Som / Jörg Hantschel

1. Introduction

The way consumers use smartphones has changed significantly in recent years. This
applies not only to all mobile devices but also to all electric appliances in industrial
and medical technology with and without batteries. Ever longer usage times and
higher power demands of the end devices either increase the demand for compact
and high-capacity batteries or the need to charge the devices wirelessly throughout
the day, which would mean the device needs to be integrated with the right wireless
charging technology.
To be successful, wireless charging must be simple and convenient to handle for the
user and have a charge performance (charge time, efficiency, ...) that is comparable
to conventional wire technology.

2. Application examples

Once the technology which is driven by consumer products (5–20 W), is established,
many kinds of applications over a wide range of industries will follow. We believe it will
be possible to charge a variety of devices in the area of mobile communications
technology (smartphones, tablets, digital cameras, fitness trackers, smart watches,
baby phones/walkie-talkies etc.) using a single charging device. Nowadays this can’t
be done because of all the different connectors, so wireless transmission of energy is
a gain in convenience and mobility for our customers.

We’re already transmitting energy wirelessly to charge batteries e.g. in electrical
toothbrushes, beard trimmers, and electric razors. New applications, such as for
hairdryers or styling irons, would be possible and would avoid annoying cords and
therefore increase the safety significantly.

In our kitchens we could use different appliances (power class 200 W – 2.4 kW) via
wireless energy transmission. Applications such as rice cookers, water boilers,
breadmakers, mixers, egg boilers and frying pans can be operated directly without
having a chargeable battery as energy supply.

In medical technology, wireless energy transfer is used to supply energy to implants
and wireless endoscopes, for biomonitoring (heart frequency, EKG, temperature, blood
pressure, neural activity), blood composition (oxygen saturation, blood glucose, carbon
dioxide, pH values), stimulation (pacemakers, muscle stimulation, neurostimulators),
monitoring and adjustment (activity, bladder pressure, implanted insuline pumps) and
also for medical machines. Today the charge contacts are worn out by very aggressive
disinfection agents. If completely encapsulated, these devices can be sterilized and
using wireless energy transfer poses no major challenges for the casing technology,
because open contacts are no longer necessary.

In the industrial area, wireless energy supplies offer the solution for many problems
that occur today in devices with charging contacts in dirty, dusty or explosion-prone
environments. This increases not only the reliability and robustness of industrial
applications, but also their durability and thereby maintenance costs will be reduced.
Wireless energy transfer can be used in driverless transport systems, suspension
tracks, cranes, conveyor systems or for supplying sensors and actuators in pressure
containers and tanks.

If helmet lamps and gas detectors have integrated wireless charge technology, this
can prevent contact sparks in mining, refineries and chemical production.

Wireless energy transfer works very well under water and can be used with diving
robots, diving torches and underwater cameras. This is very important for the water
tightness at great depths because the casings can be completely enclosed.

3.  Transmission paths for wireless power transfer

There are a variety of methods by which energy can be transferred in a contactless
manner. The field of wireless power transfer can be divided into several technologies
and categories, depending on different factors such as, for example, the distance from
the transmission source and modifications of the electromagnetic field.

Near Field

Technology

Wireless Power Transfer

Electromagnetic

Induction

Far Field

Technology

Electromagnetic

Radiation

Electrodynamic

Induction

Magnetic
Induction

Electrostatic

Induction

Magnetic

Resonance

Microwave

Power

Transmission

Laser Power

Beaming

Fig. 1

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Wireless Power Charging Coils

3.1 Near-field technology

Wireless near-field power transfer can transmit energy over a distance measuring one
or several external diameters of the transmission coil or shorter than one wavelength
(λ). Near-field energy is a non-radiative power-transmission technique, but radiation
losses may still occur. In the normal case, only ohmic losses occur.

Near-field technology is subdivided into the following categories:

7

7

Electromagnetic induction

7

7

Electromagnetic resonance

7

7

Electrostatic induction

3.1.1 Electromagnetic induction
Wireless power transfer by means of electromagnetic induction in the near field is
transmitted at an in-terval of 1/6 of the wavelength of the transmission frequency. In a
current-carrying straight conductor, the magnetic field strength H and the static
magnetic field B are created around this conductor. When the wire is twisted to form a
coil, this amplifies the magnetic field, which thus takes the form of a magnetic rod
around the coil with a north and a south pole.

According to Ampere’s law, the magnetic flux around the coil is directly proportional to
the current flowing through the coil. The magnetic field strength of a coil is defined by
the flux. The more windings the coil has, the greater the magnetic field around the
coil.

It is also possible to remove the electric current and instead to position a permanent
magnet within the coil. The mechanical movement of the permanent magnet and thus
of the magnetic field induces a current in the coil. A current can also be induced when
the coil is moved over the permanent magnet (oscillation). In this way, the movement
of the coil or the modification of the magnetic field can be used to induce voltage and
current. This process is named electromagnetic induction, which constitutes the basic
principle of a transmitter.

When the distance between two coils is too great, the total primary magnetic current
does not flow through the secondary coil, which leads to a poor coupling and a
leakage inductance. Leakage inductance is always present in a coupled coil system,
since the magnetic coupling of two coils is never perfect.

3.1.2 Electromagnetic resonance
When the coupling between two galvanic isolated coils is poor, this results in leakage
inductance. One of the reasons for a poor efficiency between two coils is secondary
leakage inductance, which is much greater than the load used on the secondary coil.
This leakage inductance makes it necessary to generate a large inducted voltage in
the secondary circuit. Applying a larger current on the primary coil results in a greater
induced voltage on the secondary side, thus creating even greater losses. This is why
it is conventional practice in inductive couplings to eliminate the secondary leakage
inductance by using a capacitance.

3.1.3 Electrostatic induction
Electrostatic induction is a method for the wireless transfer of power between
electrodes of a capacitance. A high-frequency alternating voltage is generated on the
plates of a capacitance that are positioned close to each other. This generates an

electric field, resulting in a current displacement, in turn making the electric field the
power source. The power transmission is proportional to the distance between the
plates.

3.2 Far-field technology

Far-field technology enables power to be transferred over relatively large distances, in
many cases even over ranges of several kilometers. This distances are larger than the
external diameter of the coils used.

The following wireless power-transfer techniques are available for the far-field sector:

7

7

Microwave power transmission

7

7

Laser beam

3.2.1 Microwave power transmission
The technique behind microwave power transmission involves the conversion of
energy into microwaves and the transmission of the waves to a rectifier and an
antenna (together a “rectenna”). The transmitted microwaves are then converted by
the receiver into conventional electricity.

The following steps are necessary:

7

7

Conversion of the electricity into microwave form by means of a magnetron

7

7

Reception of the microwave energy by means of a rectenna

7

7

Conversion of the microwave energy into electricity

William C. Brown, a pioneer in the area of wireless power transfer, designed and
developed a system that demonstrated how energy can be transmitted through free
space in the form of microwaves.

3.2.2 Laser radiation
Laser radiation is the wireless transmission of energy (heat or electricity) from
transmitter to receiver with laser beams. The harvesting of solar power makes use of
the same transmission technique, in which the sunbeams hit photovoltaic cells and
convert the sunlight into energy. A special photovoltaic cell converts the laser beams
into energy. Laser beams are far stronger than sunbeams, can be directly pointed at
target receivers with exceptionally high accuracy, and deliver energy 24 hours a day.
This form of power can be transmitted through the atmosphere, through space, or
through optical fibers.

The advantages of laser radiation:

7

7

The close collimation of the beams enables energy to be transmitted in highly
concentrated form over great distances

7

7

The receivers are very compact and can be easily integrated into available devices

7

7

The power can be transmitted without interfering with high-frequency communica-
tion systems (e.g. WiFi or LTE)

7

7

Laser radiation can use all existing sources of energy for the laser

7

7

Energy can be transmitted through free space or by optical-fiber networks

The drawbacks of laser radiation:

7

7

Poor efficiency

7

7

Transmitter and receiver must have a direct line of sight

7

7

The efficiency of the system is susceptible to atmospheric conditions

Broschuere_WPCC_2017.indd   23

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Wireless Power Charging Coils

4. The dominating standards

The success of these solutions of course depends on maintaining a standard for
transmitters and receivers. Only if there is assurance that the device can be charged
hassle-free at any charging station that meets the standard, regardless of the
manufacturer, the system will be successful. What kinds of standard approaches are
out there and what’s the technology behind them?

4.1 Wireless Power Consortium (WPC) – Qi Standard

7

„

Energy transmission with inductive coupling across short distances (mm range)
and also magnetic resonance with distances over 20–30 mm

7

„

Transmitter (Tx) and receiver (Rx) are inductively coupled coils.

7

„

The magnetic field is concentrated in the narrow region between transmitter and
receiver coil

7

„

Each transmitter can serve only one receiver

7

„

Different performance classes (5 W, 15 W, higher classes are planned up to
2.4 kW)

7

„

Frequency range 100–205 kHz

7

„

Coil forms: wound on ferrite or printed onto circuit board

7

„

The most well-established solution on the market with several hundred licensed
devices

4.2  Air Fuel Alliance

1.  First charging principle is the magnetic resonance from the former standard A4WP

(Alliance for Wireless Power): A transmitter oscillatory circuit with a resonance
frequency provides the energy. Receivers correctly tuned to the resonance
frequency can absorb the energy

7

„

Greater distance in z direction (50 mm), and exact positioning of the receiver is
unnecessary

7

„

One transmitter can handle multiple receivers simultaneously

7

„

Performance class planned for smartphones and tablets currently up to 22 W

7

„

Frequency ranges: Energy 6.78 MHz (ISM band), data 2.4 GHz (LP Bluetooth)

7

„

First commercial products will be available in 2017

2.  Second charging principle is the inductive coupled solution from the former

standard PMA (Power Matters Alliance)

7

„

The inductive coupled solution uses a different protocol and transmission
frequency band (details for members only) than the Qi solution of WPC

7

„

No direct compatibility with Qi, dual standard receivers are available

4.3  Proprietary system solutions

All standards have their advantages and disadvantages. However, around 30 % of
applications in industrial technology or medical technology are not reliant on being
compatible with other manufacturers or with other terminal devices. With this
fundamental elimination of compatibility, manufacturers from all industries, apart from
the consumer and automobile industries, are producing self-developed proprietary
system solutions. These proprietary system approaches do not always require
customer-specific passive components for wireless power transfer. Instead, WE-WPCC
standard transmitter and receiver coils can be used.

5. Basics

The Faraday Law of Induction describes the basic principle of energy transmission.

Fig. 2

Current flowing through the primary coil (transmitter coil) generates a magnetic flux
Φ

1

. This magnetic flux Φ

1

in the winding generates an induction voltage in the

secondary coil (receiver coil) based on the faraday´s law of induction (see fig. 1). As
transmitter coil and receiver coil are physically separate, only a portion of the
magnetic flux Φ

21

penetrates the receiver coil (and vice versa) which induces voltage

on the coupled coil and eventually supplies an appliance. This magnetic coupling
between two coils is described by the relation of the magnetic fluxes Φ

21

1

.

Coupling factor k is defined as follows:

k =

L

1

* L

2

M



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Wireless Power Charging Coils

Find the design kit on www.we-online.com/wirelesspower

M is the mutual inductance between both coils. L

1

and L

2

are the self-inductances of

both coils. The coupling factor is very dependent on the displacement of the coils in x
and z direction. The coupling can be improved by attaching ferromagnetic material to
the coil because this bundles the magnetic flux. The ferrite also protects parts of the
circuit near to the transmitter and receiver coils by lowering the induced interfering
voltage.

The coupling factor with an ideal transformer is 1, but maximum coupling in the range
of 0.2 – 0.7 can be achieved with an inductively coupled system.

Q =

=

X

L

R

L

ω

0

* L

R

The quality factor Q of the coils has a direct impact on the coupling and efficiency of
the wireless energy transfer. Quality factor Q is defined as follows:

η =

P

out

P

in

R: effective series resistance (ac resistance at operating frequency) of the coil

Broschuere_WPCC_2017.indd   25

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Wireless Power Charging Coils

4. The dominating standards

The success of these solutions of course depends on maintaining a standard for
transmitters and receivers. Only if there is assurance that the device can be charged
hassle-free at any charging station that meets the standard, regardless of the
manufacturer, the system will be successful. What kinds of standard approaches are
out there and what’s the technology behind them?

4.1 Wireless Power Consortium (WPC) – Qi Standard

7

„

Energy transmission with inductive coupling across short distances (mm range)
and also magnetic resonance with distances over 20–30 mm

7

„

Transmitter (Tx) and receiver (Rx) are inductively coupled coils.

7

„

The magnetic field is concentrated in the narrow region between transmitter and
receiver coil

7

„

Each transmitter can serve only one receiver

7

„

Different performance classes (5 W, 15 W, higher classes are planned up to
2.4 kW)

7

„

Frequency range 100–205 kHz

7

„

Coil forms: wound on ferrite or printed onto circuit board

7

„

The most well-established solution on the market with several hundred licensed
devices

4.2  Air Fuel Alliance

1.  First charging principle is the magnetic resonance from the former standard A4WP

(Alliance for Wireless Power): A transmitter oscillatory circuit with a resonance
frequency provides the energy. Receivers correctly tuned to the resonance
frequency can absorb the energy

7

„

Greater distance in z direction (50 mm), and exact positioning of the receiver is
unnecessary

7

„

One transmitter can handle multiple receivers simultaneously

7

„

Performance class planned for smartphones and tablets currently up to 22 W

7

„

Frequency ranges: Energy 6.78 MHz (ISM band), data 2.4 GHz (LP Bluetooth)

7

„

First commercial products will be available in 2017

2.  Second charging principle is the inductive coupled solution from the former

standard PMA (Power Matters Alliance)

7

„

The inductive coupled solution uses a different protocol and transmission
frequency band (details for members only) than the Qi solution of WPC

7

„

No direct compatibility with Qi, dual standard receivers are available

4.3  Proprietary system solutions

All standards have their advantages and disadvantages. However, around 30 % of
applications in industrial technology or medical technology are not reliant on being
compatible with other manufacturers or with other terminal devices. With this
fundamental elimination of compatibility, manufacturers from all industries, apart from
the consumer and automobile industries, are producing self-developed proprietary
system solutions. These proprietary system approaches do not always require
customer-specific passive components for wireless power transfer. Instead, WE-WPCC
standard transmitter and receiver coils can be used.

5. Basics

The Faraday Law of Induction describes the basic principle of energy transmission.

Fig. 2

Current flowing through the primary coil (transmitter coil) generates a magnetic flux
Φ

1

. This magnetic flux Φ

1

in the winding generates an induction voltage in the

secondary coil (receiver coil) based on the faraday´s law of induction (see fig. 1). As
transmitter coil and receiver coil are physically separate, only a portion of the
magnetic flux Φ

21

penetrates the receiver coil (and vice versa) which induces voltage

on the coupled coil and eventually supplies an appliance. This magnetic coupling
between two coils is described by the relation of the magnetic fluxes Φ

21

1

.

Coupling factor k is defined as follows:

k =

L

1

* L

2

M



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WE-WPCC

Wireless Power Charging Coils

Find the design kit on www.we-online.com/wirelesspower

M is the mutual inductance between both coils. L

1

and L

2

are the self-inductances of

both coils. The coupling factor is very dependent on the displacement of the coils in x
and z direction. The coupling can be improved by attaching ferromagnetic material to
the coil because this bundles the magnetic flux. The ferrite also protects parts of the
circuit near to the transmitter and receiver coils by lowering the induced interfering
voltage.

The coupling factor with an ideal transformer is 1, but maximum coupling in the range
of 0.2 – 0.7 can be achieved with an inductively coupled system.

Q =

=

X

L

R

L

ω

0

* L

R

The quality factor Q of the coils has a direct impact on the coupling and efficiency of
the wireless energy transfer. Quality factor Q is defined as follows:

η =

P

out

P

in

R: effective series resistance (ac resistance at operating frequency) of the coil

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Wireless Power Transmitter Coil

Characteristics

7

7

Qi-standard compliant

7

7

Evaluated and approved by every major semiconduc-
tor manufacturer

7

7

Litzwire used – highest Q-value available on market

7

7

Applicable for up to 15 W ( up to 200 W ouside the
standards)

7

7

High permeability shielding

7

7

Cancels charging flux to be not coupled into
sensitive components or batteries

7

7

High reliable construction

7

7

Pot core construction limits the stray field in the
design

Applications

7

7

Portable devices used in a clean area, where
connectors pose a risk of polluting e.g. medical
facilities, (industrial) clean rooms, mining industry

7

7

Devices with a large number of mating cycles to
avoid connector damage: eg. smart watches, fitness
tracker …

7

7

Consumer products: eg. digital cameras, baby
phone, wearables, remote control, smartphone
sleeves, watertight products

7

7

Explosion sensitive area where the use of a physical
connection is hazardous.

7

7

Smart sensors

Electrical properties

Order Code

L

(µH)

R

DC max

(Ω)

I

R

(A)

I

sat

(A)

Q

SRF

(MHz)

Size

Compliance

760 308 101

24.0

0.100

6

10

90

6

5353

Qi – A1

760 308 105

6.3

0.025

13

16

55

12

5353

Qi – A5

760 308 110

24.0

0.100

6

10

180

5

5353

Qi – A10

760 308 100 110

24.0

0.100

6

10

180

5

Ø 50

Qi – A10

760 308 111

6.3

0.020

13

16

80

20

5353

Qi – A11

760 308 100 111

6.3

0.048

6

10

120

24

Ø 50

Qi – A11

760 308 104 113

12.0

0.072

8

10

120

16

6052

Qi – A13

760 308 141

10.0

0.030

9

16

200

11

5353

Qi – A29

760 308 100 141

10.0

0.030

9

16

180

11

Ø 50

Qi – A29

760 308 103 102

10.0

0.055

7

10

130

11

5353

Qi – MP-A2

760 308 102 142

5.8

0.012

18

30

100

12

5353

works with Qi Tx IC’s

760 308 100 143

6.0

0.018

12

24

180

16

Ø 50

works with Qi Tx IC’s

NEW

760 308 102 144

19.0

0.045

11

20

220

5

5555

works with Qi Tx IC’s

760 308 101 103

6.5

0.200

3

8

35

20

Ø 30

works with Qi Tx IC’s

760 308 101 104

6.5

0.125

2.5

6

42

20

Ø 20

works with Qi Tx IC’s

760 308 101 105

3.3

0.083

3

6

30

20

Ø 20

works with Qi Tx IC’s

760 308 101 302

5.3

0.035

8

10

100

27

Ø 50

works with Qi Tx IC’s

760 308 101 304

6.3

0.048

6

10

120

16

Ø 48

works with Qi Tx IC’s

NEW

760 308 102 308

6.0

0.030

3

6

20

27

5030

works with Qi Tx IC’s

Dimensions 760 308 105 (in mm)

Dimensions 760 308 101 (in mm)

Dimensions 760 308 110 (in mm)

10,0 ± 2

6,0 ref.

53,3

±

1,

1

43,0 ± 2

2

1

Neodymium magnet

Ø 15,5 mm typ.

Heat shrinkble

Tubing (black)

6,

0m

ax

.

53,3 ± 1,1

37,0 ± 2

53,3

±

1,

1

6,0 ref.

10,0 ± 0,2

37,0 ± 2

53,3 ± 1,1

6,

0m

ax

.

1

2

43,0 ± 0,2

Heat shrinkble

Tubing (black)

1

2

43,0 ± 0,5

53,3

± 1,

1

10,0 ± 2

6,0 ref.

Neodymium

magnet

Ø 15,5mm typ.

37,0 ± 2

53,3 ± 1,1

6,

0m

ax

.

Heat shrinkble

Tubing (black)

Strategic partnerships with all major chip set suppliers

Highest Q-value

available

on market

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Dimensions 760 308 100 110 (in mm)

Dimensions 760 308 100 111 (in mm)

Dimensions 760 308 111 (in mm)

Dimensions 760 308 104 113 (in mm)

1

2

6,0 ref.

10,0 ± 2

43,0 ± 0,5

53,3

± 1,

1

37,0 ± 2

53,3 ± 1,1

6,

0m

ax

.

Heat shrinkble

Tubing (black)

27,5 ref.

53,2 ± 0,5

59,5 ± 1,0

19,5

ref.

45,8

± 0,

5

10,0

± 2,

0

6,

0r

ef

.

4,0 max.

52,0

± 1,

0

50,0

± 2,

0

Heat shrinkable

Tubing (black)

WE-WPCC

Wireless Power Transmitter Coil

Dimensions 760 308 100 141 (in mm)

Dimensions 760 308 103 102 (in mm)

Dimensions 760 308 141 (in mm)

Dimensions 760 308 102 142 (in mm)

53,3

± 1,

1

40,7 ± 2

6,0 ref.

10,0 ± 2

1

2

53,3 ± 1,1

42,8 ± 2

6,

5m

ax

.

Heat shrinkble

Tubing (black)

Dimensions 760 308 100 143 (in mm)

6,

7m

ax

.

50,

0

Ø

±1,0

10,0 ± 1,0

40,0 ± 2,0

14,0

ref.

6,0 ref.

1

2

4,

7m

ax

.

50,

0

Ø

±1,0

10,0 ± 1,0

38,58 ± 2,0

6,0 ref.

10,

0r

ef

.

2

1

6,

0m

ax

.

50,0

ر

1,

0

10,0 ± 1,0

46,5 ± 2,0

14,0

ref.

2

1

6,0 ref.

53,0

±1,5

53,0 ±1,5

40,0 ±2,0

45,5 ±1,5

5,0 ±1,0

20,0

±2,0

6,0 ±1,0

4,

5m

ax

.

1

2

53,5 ±1,5

41,0 ±3,0

16

re

f

6,

5m

ax

10,0 ±2,0

6,0 ref

1 1

2

50,0

±1,0

10,0 ±1,0

46,0 ±3,0

6,0 ref

12,

0r

ef

1

2

6,

7m

ax

1

Broschuere_WPCC_2017.indd   27

02.03.17   09:17

background image

26

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Transmitter Coil

Characteristics

7

7

Qi-standard compliant

7

7

Evaluated and approved by every major semiconduc-
tor manufacturer

7

7

Litzwire used – highest Q-value available on market

7

7

Applicable for up to 15 W ( up to 200 W ouside the
standards)

7

7

High permeability shielding

7

7

Cancels charging flux to be not coupled into
sensitive components or batteries

7

7

High reliable construction

7

7

Pot core construction limits the stray field in the
design

Applications

7

7

Portable devices used in a clean area, where
connectors pose a risk of polluting e.g. medical
facilities, (industrial) clean rooms, mining industry

7

7

Devices with a large number of mating cycles to
avoid connector damage: eg. smart watches, fitness
tracker …

7

7

Consumer products: eg. digital cameras, baby
phone, wearables, remote control, smartphone
sleeves, watertight products

7

7

Explosion sensitive area where the use of a physical
connection is hazardous.

7

7

Smart sensors

Electrical properties

Order Code

L

(µH)

R

DC max

(Ω)

I

R

(A)

I

sat

(A)

Q

SRF

(MHz)

Size

Compliance

760 308 101

24.0

0.100

6

10

90

6

5353

Qi – A1

760 308 105

6.3

0.025

13

16

55

12

5353

Qi – A5

760 308 110

24.0

0.100

6

10

180

5

5353

Qi – A10

760 308 100 110

24.0

0.100

6

10

180

5

Ø 50

Qi – A10

760 308 111

6.3

0.020

13

16

80

20

5353

Qi – A11

760 308 100 111

6.3

0.048

6

10

120

24

Ø 50

Qi – A11

760 308 104 113

12.0

0.072

8

10

120

16

6052

Qi – A13

760 308 141

10.0

0.030

9

16

200

11

5353

Qi – A29

760 308 100 141

10.0

0.030

9

16

180

11

Ø 50

Qi – A29

760 308 103 102

10.0

0.055

7

10

130

11

5353

Qi – MP-A2

760 308 102 142

5.8

0.012

18

30

100

12

5353

works with Qi Tx IC’s

760 308 100 143

6.0

0.018

12

24

180

16

Ø 50

works with Qi Tx IC’s

NEW

760 308 102 144

19.0

0.045

11

20

220

5

5555

works with Qi Tx IC’s

760 308 101 103

6.5

0.200

3

8

35

20

Ø 30

works with Qi Tx IC’s

760 308 101 104

6.5

0.125

2.5

6

42

20

Ø 20

works with Qi Tx IC’s

760 308 101 105

3.3

0.083

3

6

30

20

Ø 20

works with Qi Tx IC’s

760 308 101 302

5.3

0.035

8

10

100

27

Ø 50

works with Qi Tx IC’s

760 308 101 304

6.3

0.048

6

10

120

16

Ø 48

works with Qi Tx IC’s

NEW

760 308 102 308

6.0

0.030

3

6

20

27

5030

works with Qi Tx IC’s

Dimensions 760 308 105 (in mm)

Dimensions 760 308 101 (in mm)

Dimensions 760 308 110 (in mm)

10,0 ± 2

6,0 ref.

53,3

±

1,

1

43,0 ± 2

2

1

Neodymium magnet

Ø 15,5 mm typ.

Heat shrinkble

Tubing (black)

6,

0m

ax

.

53,3 ± 1,1

37,0 ± 2

53,3

±

1,

1

6,0 ref.

10,0 ± 0,2

37,0 ± 2

53,3 ± 1,1

6,

0m

ax

.

1

2

43,0 ± 0,2

Heat shrinkble

Tubing (black)

1

2

43,0 ± 0,5

53,3

± 1,

1

10,0 ± 2

6,0 ref.

Neodymium

magnet

Ø 15,5mm typ.

37,0 ± 2

53,3 ± 1,1

6,

0m

ax

.

Heat shrinkble

Tubing (black)

Strategic partnerships with all major chip set suppliers

Highest Q-value

available

on market

Broschuere_WPCC_2017.indd   26

02.03.17   09:16

27

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Würth Elektronik eiSos

®

Dimensions 760 308 100 110 (in mm)

Dimensions 760 308 100 111 (in mm)

Dimensions 760 308 111 (in mm)

Dimensions 760 308 104 113 (in mm)

1

2

6,0 ref.

10,0 ± 2

43,0 ± 0,5

53,3

± 1,

1

37,0 ± 2

53,3 ± 1,1

6,

0m

ax

.

Heat shrinkble

Tubing (black)

27,5 ref.

53,2 ± 0,5

59,5 ± 1,0

19,5

ref.

45,8

± 0,

5

10,0

± 2,

0

6,

0r

ef

.

4,0 max.

52,0

± 1,

0

50,0

± 2,

0

Heat shrinkable

Tubing (black)

WE-WPCC

Wireless Power Transmitter Coil

Dimensions 760 308 100 141 (in mm)

Dimensions 760 308 103 102 (in mm)

Dimensions 760 308 141 (in mm)

Dimensions 760 308 102 142 (in mm)

53,3

± 1,

1

40,7 ± 2

6,0 ref.

10,0 ± 2

1

2

53,3 ± 1,1

42,8 ± 2

6,

5m

ax

.

Heat shrinkble

Tubing (black)

Dimensions 760 308 100 143 (in mm)

6,

7m

ax

.

50,

0

Ø

±1,0

10,0 ± 1,0

40,0 ± 2,0

14,0

ref.

6,0 ref.

1

2

4,

7m

ax

.

50,

0

Ø

±1,0

10,0 ± 1,0

38,58 ± 2,0

6,0 ref.

10,

0r

ef

.

2

1

6,

0m

ax

.

50,0

ر

1,

0

10,0 ± 1,0

46,5 ± 2,0

14,0

ref.

2

1

6,0 ref.

53,0

±1,5

53,0 ±1,5

40,0 ±2,0

45,5 ±1,5

5,0 ±1,0

20,0

±2,0

6,0 ±1,0

4,

5m

ax

.

1

2

53,5 ±1,5

41,0 ±3,0

16

re

f

6,

5m

ax

10,0 ±2,0

6,0 ref

1 1

2

50,0

±1,0

10,0 ±1,0

46,0 ±3,0

6,0 ref

12,

0r

ef

1

2

6,

7m

ax

1

Broschuere_WPCC_2017.indd   27

02.03.17   09:17

background image

28

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Transmitter Coil

Dimensions 760 308 101 304 (in mm)

Dimensions 760 308 101 105 (in mm)

Dimensions 760 308 102 308 (in mm)

Dimensions 760 308 101 302 (in mm)

Heat shrinkable

Tubing (black)

2,

8m

ax

.

20,5 max.

49,0 ± 3,0

10,0 ± 2,0

6,0 ref.

30,

0,

8

3,

5m

ax

.

50,0 ±0,8

40,0 ±2,0

6,0 ±1,0

8,0 ±2,0

10,0

ref.

1

2

Glue

Dimensions 760 308 101 104 (in mm)

Dimensions 760 308 101 103 (in mm)

Dimensions 760 308 102 144 (in mm)

Ø3

0,

0,

5

17,0 ± 0,5

28,0 ± 1,5

50,0 ± 3,0

6,0 ref.

10,0 ± 1,0

1,

9m

ax

.

Heat shrinkable

Tubing (black)

2

1

7,

0m

ax

.

53,3 ±1,5

¨

48,0 ±3,0

10,0 ±2,0

14,

0r

ef

.

6,0 ref.

1

2

2
1

20,5 max.

49,0 ± 3,0

10,0 ± 2,0

6,0 ref.

Heat shrinkable

Tubing (black)

2,

8m

ax

.

47,5

Øm

ax

.

6,0 ref.

45,0 ± 0,3

1

2

3,

0m

ax

.

10,0 ref.

40,0 ±2,0

4,

7m

ax

.

50,

0

Ø

± 1,

0

10,0 ± 1,0

38,6 ± 2,0

6,0 ref.

10,

0r

ef

.

1

2

Broschuere_WPCC_2017.indd   28

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29

03/17

Würth Elektronik eiSos

®

Temperature vs. Current

Q-factor vs. Frequency

Temperature vs. Current

Q-factor vs. Frequency

WE-WPCC

Wireless Power Transmitter Coil

Temperature vs. Current

Temperature vs. Current 760 308 141

Q-factor vs. Frequency

Q-factor vs. Frequency 760 308 141

80

70

60

50

40

30

20

10

0

0

6

2

4

8

10

12

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

760 308 101
760 308 110
760 308 100 110
760 308 100 111

1000

100

10

1

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 101
760 308 110
760 308 100 110
760 308 100 111

70

60

50

40

30

20

10

0

0

6

2

4

8

10

12

14

16

18

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

760 308 105
760 308 111
760 308 101 304

1000

100

10

1

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 105
760 308 111
760 308 101 304

0

20

10

30

40

50

60

0

2

4

6

8

10

12

Strom/current (A)

Temperaturanstieg/temperature rise (K)

760 308 104 113
760 308 100 141
760 308 101 302

0

15

20

10

5

25

30

40

35

45

0

2

4

6

8

10

12

Strom/current (A)

Temperaturanstieg/temperature rise (K)

0

40

80

120

160

200

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 104 113
760 308 100 141
760 308 101 302

0

40

80

120

160

200

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

1

Broschuere_WPCC_2017.indd   29

02.03.17   09:17

background image

28

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Transmitter Coil

Dimensions 760 308 101 304 (in mm)

Dimensions 760 308 101 105 (in mm)

Dimensions 760 308 102 308 (in mm)

Dimensions 760 308 101 302 (in mm)

Heat shrinkable

Tubing (black)

2,

8m

ax

.

20,5 max.

49,0 ± 3,0

10,0 ± 2,0

6,0 ref.

30,

0,

8

3,

5m

ax

.

50,0 ±0,8

40,0 ±2,0

6,0 ±1,0

8,0 ±2,0

10,0

ref.

1

2

Glue

Dimensions 760 308 101 104 (in mm)

Dimensions 760 308 101 103 (in mm)

Dimensions 760 308 102 144 (in mm)

Ø3

0,

0,

5

17,0 ± 0,5

28,0 ± 1,5

50,0 ± 3,0

6,0 ref.

10,0 ± 1,0

1,

9m

ax

.

Heat shrinkable

Tubing (black)

2

1

7,

0m

ax

.

53,3 ±1,5

¨

48,0 ±3,0

10,0 ±2,0

14,

0r

ef

.

6,0 ref.

1

2

2
1

20,5 max.

49,0 ± 3,0

10,0 ± 2,0

6,0 ref.

Heat shrinkable

Tubing (black)

2,

8m

ax

.

47,5

Øm

ax

.

6,0 ref.

45,0 ± 0,3

1

2

3,

0m

ax

.

10,0 ref.

40,0 ±2,0

4,

7m

ax

.

50,

0

Ø

± 1,

0

10,0 ± 1,0

38,6 ± 2,0

6,0 ref.

10,

0r

ef

.

1

2

Broschuere_WPCC_2017.indd   28

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03/17

Würth Elektronik eiSos

®

Temperature vs. Current

Q-factor vs. Frequency

Temperature vs. Current

Q-factor vs. Frequency

WE-WPCC

Wireless Power Transmitter Coil

Temperature vs. Current

Temperature vs. Current 760 308 141

Q-factor vs. Frequency

Q-factor vs. Frequency 760 308 141

80

70

60

50

40

30

20

10

0

0

6

2

4

8

10

12

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

760 308 101
760 308 110
760 308 100 110
760 308 100 111

1000

100

10

1

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 101
760 308 110
760 308 100 110
760 308 100 111

70

60

50

40

30

20

10

0

0

6

2

4

8

10

12

14

16

18

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

760 308 105
760 308 111
760 308 101 304

1000

100

10

1

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 105
760 308 111
760 308 101 304

0

20

10

30

40

50

60

0

2

4

6

8

10

12

Strom/current (A)

Temperaturanstieg/temperature rise (K)

760 308 104 113
760 308 100 141
760 308 101 302

0

15

20

10

5

25

30

40

35

45

0

2

4

6

8

10

12

Strom/current (A)

Temperaturanstieg/temperature rise (K)

0

40

80

120

160

200

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 104 113
760 308 100 141
760 308 101 302

0

40

80

120

160

200

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

1

Broschuere_WPCC_2017.indd   29

02.03.17   09:17

background image

30

03/17

Würth Elektronik eiSos

®

Temperature vs. Current 760 308 101 103

Temperature vs. Current 760 308 101 104

Q-factor vs. Frequency 760 308 101 103

Q-factor vs. Frequency 760 308 101 104

WE-WPCC

Wireless Power Transmitter Coil

Temperature vs. Current

Q-factor vs. Frequency

Temperature vs. Current 760 308 103 102

Q-factor vs. Frequency 760 308 103 102

60

50

40

30

20

10

0

5

.

2

2

0

0

.

4

5

.

3

3

5

.

1

1

5

.

0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

70

60

50

40

30

20

10

0

5

.

2

0

2.0

1.5

1.0

5

.

3

5

.

0

3.0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

120

100

80

60

40

20

0

0

0

0

1

0

1

0

0

0

0

1

0

0

1

Frequenz/frequency (kHz)

Q-Faktor/Q-facto

r

120

100

80

60

40

20

0

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

0

10

30

20

50

40

60

0

5

10

15

20

Strom/current (A)

Temperaturanstieg/temperature rise (K)

760 308 102 142
760 308 100 143
760 308 100 144

0

10

1000

100

10

100

100000

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 102 142
760 308 100 143
760 308 100 144

0

20

15

10

5

30

25

40

35

45

50

0

2

1

3

4

5

6

7

8

Strom/current (A)

Temperaturanstieg/temperature rise (K)

0

40

80

120

160

200

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

Broschuere_WPCC_2017.indd   30

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31

03/17

Würth Elektronik eiSos

®

Temperature vs. Current 760 308 101 105

Temperature vs. Current 760 308 102 308

Q-factor vs. Frequency 760 308 101 105

Q-factor vs. Frequency 760 308 102 308

WE-WPCC

Wireless Power Transmitter Coil

0

20

10

30

40

50

60

0

1

0.5

1.5

2

3

2.5

3.5

4

Strom/current (A)

Temperaturanstieg/temperature rise (K)

0

20

10

30

40

50

0

4.0

2.0

6.0

8.0

10.0

12.0

Strom/current (A)

Temperaturanstieg/temperature rise (K)

0

20

40

60

80

120

100

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

0

25

50

75

100

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

1

Broschuere_WPCC_2017.indd   31

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background image

30

03/17

Würth Elektronik eiSos

®

Temperature vs. Current 760 308 101 103

Temperature vs. Current 760 308 101 104

Q-factor vs. Frequency 760 308 101 103

Q-factor vs. Frequency 760 308 101 104

WE-WPCC

Wireless Power Transmitter Coil

Temperature vs. Current

Q-factor vs. Frequency

Temperature vs. Current 760 308 103 102

Q-factor vs. Frequency 760 308 103 102

60

50

40

30

20

10

0

5

.

2

2

0

0

.

4

5

.

3

3

5

.

1

1

5

.

0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

70

60

50

40

30

20

10

0

5

.

2

0

2.0

1.5

1.0

5

.

3

5

.

0

3.0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

120

100

80

60

40

20

0

0

0

0

1

0

1

0

0

0

0

1

0

0

1

Frequenz/frequency (kHz)

Q-Faktor/Q-facto

r

120

100

80

60

40

20

0

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

0

10

30

20

50

40

60

0

5

10

15

20

Strom/current (A)

Temperaturanstieg/temperature rise (K)

760 308 102 142
760 308 100 143
760 308 100 144

0

10

1000

100

10

100

100000

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 102 142
760 308 100 143
760 308 100 144

0

20

15

10

5

30

25

40

35

45

50

0

2

1

3

4

5

6

7

8

Strom/current (A)

Temperaturanstieg/temperature rise (K)

0

40

80

120

160

200

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

Broschuere_WPCC_2017.indd   30

02.03.17   09:17

31

03/17

Würth Elektronik eiSos

®

Temperature vs. Current 760 308 101 105

Temperature vs. Current 760 308 102 308

Q-factor vs. Frequency 760 308 101 105

Q-factor vs. Frequency 760 308 102 308

WE-WPCC

Wireless Power Transmitter Coil

0

20

10

30

40

50

60

0

1

0.5

1.5

2

3

2.5

3.5

4

Strom/current (A)

Temperaturanstieg/temperature rise (K)

0

20

10

30

40

50

0

4.0

2.0

6.0

8.0

10.0

12.0

Strom/current (A)

Temperaturanstieg/temperature rise (K)

0

20

40

60

80

120

100

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

0

25

50

75

100

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

1

Broschuere_WPCC_2017.indd   31

02.03.17   09:17

background image

32

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Array

Electrical properties

Order Code

L

1

(µH)

L

2

(µH)

L

3

(µH)

I

R1/2/3

(A)

I

sat1/2/3

(A)

R

DC1/2/3

(mΩ)

SRF

1/2/3

(MHz)

Q

1/2/3

Size

Compliance

760 308 106

12.5

11.5

12.5

9

10

65

14

125

13055

Qi – A6

760 308 104 119

12.0

11.5

8

12

68

12

130

8852

Qi – A19

760 308 104 120

6.9

6.4

6.9

9

12

38

15

100

9250

Qi – A28

Strategic partnerships with all major chip set suppliers

Dimensions 760 308 106 (in mm)

Dimensions 760 308 104 119 (in mm)

Dimensions 760 308 104 120 (in mm)

8,

0m

ax

.

130,

0,

2

Heat shrinkable

Tubing (black)

54,7 ± 0,2

6,0 ref.

10,0 ± 2,0

122,

0,

2

25,0

Ø 4,4

50,0 ± 2,0

49,2

ref.

L3

L2

L1

1

2

3

4

5

6

3,

5m

ax

.

Heat shrinkable

Tubing (black)

27,

5

53,2

88,

5

19,5

45,6

52,5

8,0 ref.

5,0

L1

L2

1

2

3

4

49,2

± 4,

0

88,2

ref.

91,7

± 1,

6

6,0 ref.

10,0 ± 2,0

2

3

4

5

6

L3

L2

L1

50,0 max.

50,0 ± 2,0

Heat shrinkable

Tubing (black)

5,

5m

ax

.

Characteristics

7

7

Qi-standard compliant

7

7

Evaluated and approved by every major semiconduc-
tor manufacturer

7

7

Litzwire used – highest Q-value available on market

7

7

Applicable for up to 15 W ( up to 200 W ouside the
standards)

7

7

High permeability shielding

7

7

Cancels charging flux to be not coupled into
sensitive components or batteries

7

7

High reliable construction

Applications

7

7

Portable devices used in a clean area, where
connectors pose a risk of polluting e.g. medical
facilities, (industrial) clean rooms, mining industry

7

7

Devices with a large number of mating cycles to
avoid connector damage: eg. smart watches, fitness
tracker …

7

7

Consumer products: eg. digital cameras, baby
phone, wearables, remote control, smartphone
sleeves, watertight products

7

7

Explosion sensitive area where the use of a physical
connection is hazardous.

7

7

Smart sensors

Highest Q-value

available

on market

Broschuere_WPCC_2017.indd   32

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Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Array

Temperature vs. Current 760 308 106

Temperature vs. Current 760 308 104 119

Temperature vs. Current 760 308 104 120

Q-factor vs. Frequency 760 308 106

Q-factor vs. Frequency 760 308 104 119

Q-factor vs. Frequency 760 308 104 120

60

50

40

30

20

10

0

0

6

2

4

8

10

12

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

175

150

125

100

75

50

25

0

10

1000

100

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

Q1 + Q2
Q3

0

20

10

30

40

50

60

0

2.0

4.0

6.0

8.0

10.0

12.0

Strom/current (A)

Temperaturanstieg/temperature rise (K)

0

50

25

100

75

125

150

175

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

Q2
Q1

0

10

5

15

30

20

25

35

40

45

0

4

2

8

6

10

12

Strom/current (A)

Temperaturanstieg/temperature rise (K)

0

225

150

175

200

50

25

75

100

125

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-facto

r

Q1 & Q3

Q2

2

Broschuere_WPCC_2017.indd   33

02.03.17   09:17

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32

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Array

Electrical properties

Order Code

L

1

(µH)

L

2

(µH)

L

3

(µH)

I

R1/2/3

(A)

I

sat1/2/3

(A)

R

DC1/2/3

(mΩ)

SRF

1/2/3

(MHz)

Q

1/2/3

Size

Compliance

760 308 106

12.5

11.5

12.5

9

10

65

14

125

13055

Qi – A6

760 308 104 119

12.0

11.5

8

12

68

12

130

8852

Qi – A19

760 308 104 120

6.9

6.4

6.9

9

12

38

15

100

9250

Qi – A28

Strategic partnerships with all major chip set suppliers

Dimensions 760 308 106 (in mm)

Dimensions 760 308 104 119 (in mm)

Dimensions 760 308 104 120 (in mm)

8,

0m

ax

.

130,

0,

2

Heat shrinkable

Tubing (black)

54,7 ± 0,2

6,0 ref.

10,0 ± 2,0

122,

0,

2

25,0

Ø 4,4

50,0 ± 2,0

49,2

ref.

L3

L2

L1

1

2

3

4

5

6

3,

5m

ax

.

Heat shrinkable

Tubing (black)

27,

5

53,2

88,

5

19,5

45,6

52,5

8,0 ref.

5,0

L1

L2

1

2

3

4

49,2

± 4,

0

88,2

ref.

91,7

± 1,

6

6,0 ref.

10,0 ± 2,0

2

3

4

5

6

L3

L2

L1

50,0 max.

50,0 ± 2,0

Heat shrinkable

Tubing (black)

5,

5m

ax

.

Characteristics

7

7

Qi-standard compliant

7

7

Evaluated and approved by every major semiconduc-
tor manufacturer

7

7

Litzwire used – highest Q-value available on market

7

7

Applicable for up to 15 W ( up to 200 W ouside the
standards)

7

7

High permeability shielding

7

7

Cancels charging flux to be not coupled into
sensitive components or batteries

7

7

High reliable construction

Applications

7

7

Portable devices used in a clean area, where
connectors pose a risk of polluting e.g. medical
facilities, (industrial) clean rooms, mining industry

7

7

Devices with a large number of mating cycles to
avoid connector damage: eg. smart watches, fitness
tracker …

7

7

Consumer products: eg. digital cameras, baby
phone, wearables, remote control, smartphone
sleeves, watertight products

7

7

Explosion sensitive area where the use of a physical
connection is hazardous.

7

7

Smart sensors

Highest Q-value

available

on market

Broschuere_WPCC_2017.indd   32

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33

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Array

Temperature vs. Current 760 308 106

Temperature vs. Current 760 308 104 119

Temperature vs. Current 760 308 104 120

Q-factor vs. Frequency 760 308 106

Q-factor vs. Frequency 760 308 104 119

Q-factor vs. Frequency 760 308 104 120

60

50

40

30

20

10

0

0

6

2

4

8

10

12

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

175

150

125

100

75

50

25

0

10

1000

100

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

Q1 + Q2
Q3

0

20

10

30

40

50

60

0

2.0

4.0

6.0

8.0

10.0

12.0

Strom/current (A)

Temperaturanstieg/temperature rise (K)

0

50

25

100

75

125

150

175

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

Q2
Q1

0

10

5

15

30

20

25

35

40

45

0

4

2

8

6

10

12

Strom/current (A)

Temperaturanstieg/temperature rise (K)

0

225

150

175

200

50

25

75

100

125

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-facto

r

Q1 & Q3

Q2

2

Broschuere_WPCC_2017.indd   33

02.03.17   09:17

background image

34

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Characteristics

7

7

Qi standard compliant

7

7

Easiness of  assembly

7

7

Evaluated and approved by every major semiconduc-
tor manufacturer

7

7

Applicable for up to 15 W (up to 50 W outside the
standards)

7

7

High permeability shielding

7

7

Cancels charging flux to be not coupled into
sensitive components or batteries

7

7

High reliable construction

7

7

Today there are two inductive wireless power
standards; the Qi standard of WPC and Airfuel
standard. We offer dual standard receiver coils.

Applications

7

7

Portable devices used in a clean area, where
connectors pose a risk of polluting e.g. medical
facilities, (industrial) clean rooms, mining industry

7

7

Devices with a large number of mating cycles to
avoid connector damage: eg. smart watches , fitness
tracker …

7

7

Consumer products: eg. digital cameras, baby
phone, wearables, remote control, smartphone
sleeves, watertight products

7

7

Explosion sensitive area where the use of a physical
connection is hazardous.

7

7

Smart sensors

Electrical properties

Order Code

L

(µH)

R

DC max

(Ω)

I

R

(A)

I

sat

(A)

Q

SRF

(MHz)

Size

Compliance

760 308 201

10.0

0.20

3.50

8.0

50

15

3737

Qi

760 308 103 202

12.0

0.20

3.00

6.0

33

13

4832

Qi

760 308 103 203

12.0

0.55

1.55

3.0

21

11

4832

Qi

760 308 103 204

16.7

0.43

2.00

4.0

32

11

3830

Qi

760 308 103 205

11.0

0.20

2.50

4.0

30

16

3426

Qi

760 308 103 206

7.5

0.38

1.55

3.0

16

23

2815

Qi – Airfuel Alliance

760 308 102 207

8.0

0.08

5.00

10.0

30

16

4040

Qi

760 308 101 208

13.0

0.50

0.80

2.0

17

26

Ø 10

works with Qi Rx IC’s

760 308 101 208A

18.0

0.65

0.70

2.0

18

24

Ø 10

works with Qi Rx IC’s

760 308 102 210

7.5

0.18

3.00

6.0

45

22

3737

Qi – Airfuel Alliance

760 308 103 211

7.3

0.20

2.50

5.0

28

11.6

4636

Qi – Airfuel Alliance

760 308 102 212

5.4

0.24

2.00

4.0

18

25

2929

Qi

760 308 102 213

7.9

0.33

1.70

4.0

18

21

2929

Qi – Airfuel Alliance

760 308 101 214

26.0

0.52

1.10

2.0

25

11

Ø 19

Qi

760 308 103 215

14.3

0.19

3.00

8.0

40

8.8

4832

Qi

760 308 101 216

7.2

0.44

0.5

1.0

10

32

Ø 6

works with Qi Rx IC’s

760 308 101 217

24.2

1.40

0.4

1.0

13

14.5

Ø 10

works with Qi Rx IC’s

760 308 101 219

11.8

0.75

0.7

1.5

13

22

Ø 15

works with Qi Rx IC’s

760 308 101 220

12.6

0.34

1.1

2.0

20

19

Ø 17

works with Qi Rx IC’s

760 308 101 303

47.0

0.50

1.50

3.0

25

8

Ø 26

works with Qi Rx IC’s

NEW

760 308 103 305

11.0 / 1.4

220 / 100

2.6 / 5.0

5.0 / 5.0

30 / 40

16 / 16

4544

Qi – Airfuel Alliance – NFC

NEW

760 308 102 306

8.0 / 1.4

400 / 100

2.0 / 5.0

5.0 / 5.0

19 / 47

17.5 / 19

4444

Qi – Airfuel Alliance – NFC

NEW

760 308 103 307

7.8 / 1.6

340 / 90

1.5 / 4.0

3.0 / 7.0

19 / 47

22 / 24

4027

Qi – Airfuel Alliance – NFC

Strategic partnerships with all major chip set suppliers

Thinnest in the

market

Easy assembly

Broschuere_WPCC_2017.indd   34

02.03.17   09:17

35

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Dimensions 760 308 102 210 (in mm)

Dimensions 760 308 201 (in mm)

Dimensions 760 308 103 204 (in mm)

Dimensions 760 308 103 202/203 (in mm)

Dimensions 760 308 103 206 (in mm)

Dimensions 760 308 102 207 (in mm)

Dimensions 760 308 103 205 (in mm)

Dimensions 760 308 101 208 (in mm)

Dimensions 760 308 101 208A (in mm)

37,0

ma

x.

37,0 max.

28,0 ±1,5

1,

8t

yp

.

0,

6
Ø

6,0 ref.

10,0 ±2,0

45,5 ±3,0

Heat shrinkable

Tubing (black)

1

2

18,0 ref.

9,

0r

ef

.

32,0

± 0,

3

48,0 ± 0,3

14,5 ref.

1,

0r

ef

.

5,0 ref.

5,

0r

ef

.

0,33

2x

Ø

detail A

0,02

Adhesive Tape

Release Tape

0,958

± 0,

1

18,0

ref.

A

25,0 ± 2,0

30,5

ma

x.

38,5 max.

detail A

5,0 ref.

0,83

± 0,

1

0,02

Adhesive Tape

Release Tape

12,0 ref.

13,0

7,

0r

ef

.

0,25

25,0 ± 2,0

A

5,0 ref

34,0 ±0,3

26,

5

+0

,3

-0

,0

0,5

6

re

f

5r

ef

0,2

8

2x

25 ±1

A

detail A

0,

89

±0,

3

*w

itha

dh

es

iv

e

ta

pe

28,0

15

,0

A

detail A

5,0

25,0

0,04

8

AdhesvieTap

e

Release Tape

0,728 typ

.

40,0 ±0,3

40

,0±

0,

3

B

detail B

0,

45

2x

5,0 ref

0,

9r

ef

5,

0r

ef

25 ±1

1,

0,

3

* with adhesive tape

0,2

A

detail A

1,

68m

ax

.

0,

04

8

A

dhe

siv

eT

ap

e

Release Tape

25,0 ±2,0

∅ 10,3 ±0,3

5,0

10,0

max.

2,

0

Release Tape

37,0

ma

x.

28,0 ± 1,5

16,2 ± 1,0

45,0 ± 3,0

6,0 ref.

10,0 ± 2,0

0,

6
Ø

37,0 max.

1,

8t

yp

.

Heat shrinkable

Tubing (black)

2

1

0,

2
Ø

detail A

1,68

ma

x.

Release Tape

25,0 ± 2,0

Ø 10,3 ± 0,3

5,0

10,0

Ø

max.

2,

0

Release Tape

0,048 Adhesi

ve

Tape

A

3

Broschuere_WPCC_2017.indd   35

02.03.17   09:17

background image

34

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Characteristics

7

7

Qi standard compliant

7

7

Easiness of  assembly

7

7

Evaluated and approved by every major semiconduc-
tor manufacturer

7

7

Applicable for up to 15 W (up to 50 W outside the
standards)

7

7

High permeability shielding

7

7

Cancels charging flux to be not coupled into
sensitive components or batteries

7

7

High reliable construction

7

7

Today there are two inductive wireless power
standards; the Qi standard of WPC and Airfuel
standard. We offer dual standard receiver coils.

Applications

7

7

Portable devices used in a clean area, where
connectors pose a risk of polluting e.g. medical
facilities, (industrial) clean rooms, mining industry

7

7

Devices with a large number of mating cycles to
avoid connector damage: eg. smart watches , fitness
tracker …

7

7

Consumer products: eg. digital cameras, baby
phone, wearables, remote control, smartphone
sleeves, watertight products

7

7

Explosion sensitive area where the use of a physical
connection is hazardous.

7

7

Smart sensors

Electrical properties

Order Code

L

(µH)

R

DC max

(Ω)

I

R

(A)

I

sat

(A)

Q

SRF

(MHz)

Size

Compliance

760 308 201

10.0

0.20

3.50

8.0

50

15

3737

Qi

760 308 103 202

12.0

0.20

3.00

6.0

33

13

4832

Qi

760 308 103 203

12.0

0.55

1.55

3.0

21

11

4832

Qi

760 308 103 204

16.7

0.43

2.00

4.0

32

11

3830

Qi

760 308 103 205

11.0

0.20

2.50

4.0

30

16

3426

Qi

760 308 103 206

7.5

0.38

1.55

3.0

16

23

2815

Qi – Airfuel Alliance

760 308 102 207

8.0

0.08

5.00

10.0

30

16

4040

Qi

760 308 101 208

13.0

0.50

0.80

2.0

17

26

Ø 10

works with Qi Rx IC’s

760 308 101 208A

18.0

0.65

0.70

2.0

18

24

Ø 10

works with Qi Rx IC’s

760 308 102 210

7.5

0.18

3.00

6.0

45

22

3737

Qi – Airfuel Alliance

760 308 103 211

7.3

0.20

2.50

5.0

28

11.6

4636

Qi – Airfuel Alliance

760 308 102 212

5.4

0.24

2.00

4.0

18

25

2929

Qi

760 308 102 213

7.9

0.33

1.70

4.0

18

21

2929

Qi – Airfuel Alliance

760 308 101 214

26.0

0.52

1.10

2.0

25

11

Ø 19

Qi

760 308 103 215

14.3

0.19

3.00

8.0

40

8.8

4832

Qi

760 308 101 216

7.2

0.44

0.5

1.0

10

32

Ø 6

works with Qi Rx IC’s

760 308 101 217

24.2

1.40

0.4

1.0

13

14.5

Ø 10

works with Qi Rx IC’s

760 308 101 219

11.8

0.75

0.7

1.5

13

22

Ø 15

works with Qi Rx IC’s

760 308 101 220

12.6

0.34

1.1

2.0

20

19

Ø 17

works with Qi Rx IC’s

760 308 101 303

47.0

0.50

1.50

3.0

25

8

Ø 26

works with Qi Rx IC’s

NEW

760 308 103 305

11.0 / 1.4

220 / 100

2.6 / 5.0

5.0 / 5.0

30 / 40

16 / 16

4544

Qi – Airfuel Alliance – NFC

NEW

760 308 102 306

8.0 / 1.4

400 / 100

2.0 / 5.0

5.0 / 5.0

19 / 47

17.5 / 19

4444

Qi – Airfuel Alliance – NFC

NEW

760 308 103 307

7.8 / 1.6

340 / 90

1.5 / 4.0

3.0 / 7.0

19 / 47

22 / 24

4027

Qi – Airfuel Alliance – NFC

Strategic partnerships with all major chip set suppliers

Thinnest in the

market

Easy assembly

Broschuere_WPCC_2017.indd   34

02.03.17   09:17

35

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Dimensions 760 308 102 210 (in mm)

Dimensions 760 308 201 (in mm)

Dimensions 760 308 103 204 (in mm)

Dimensions 760 308 103 202/203 (in mm)

Dimensions 760 308 103 206 (in mm)

Dimensions 760 308 102 207 (in mm)

Dimensions 760 308 103 205 (in mm)

Dimensions 760 308 101 208 (in mm)

Dimensions 760 308 101 208A (in mm)

37,0

ma

x.

37,0 max.

28,0 ±1,5

1,

8t

yp

.

0,

6
Ø

6,0 ref.

10,0 ±2,0

45,5 ±3,0

Heat shrinkable

Tubing (black)

1

2

18,0 ref.

9,

0r

ef

.

32,0

± 0,

3

48,0 ± 0,3

14,5 ref.

1,

0r

ef

.

5,0 ref.

5,

0r

ef

.

0,33

2x

Ø

detail A

0,02

Adhesive Tape

Release Tape

0,958

± 0,

1

18,0

ref.

A

25,0 ± 2,0

30,5

ma

x.

38,5 max.

detail A

5,0 ref.

0,83

± 0,

1

0,02

Adhesive Tape

Release Tape

12,0 ref.

13,0

7,

0r

ef

.

0,25

25,0 ± 2,0

A

5,0 ref

34,0 ±0,3

26,

5

+0

,3

-0

,0

0,5

6

re

f

5r

ef

0,2

8

2x

25 ±1

A

detail A

0,

89

±0,

3

*w

itha

dh

es

iv

e

ta

pe

28,0

15

,0

A

detail A

5,0

25,0

0,04

8

AdhesvieTap

e

Release Tape

0,728 typ

.

40,0 ±0,3

40

,0±

0,

3

B

detail B

0,

45

2x

5,0 ref

0,

9r

ef

5,

0r

ef

25 ±1

1,

0,

3

* with adhesive tape

0,2

A

detail A

1,

68m

ax

.

0,

04

8

A

dhe

siv

eT

ap

e

Release Tape

25,0 ±2,0

∅ 10,3 ±0,3

5,0

10,0

max.

2,

0

Release Tape

37,0

ma

x.

28,0 ± 1,5

16,2 ± 1,0

45,0 ± 3,0

6,0 ref.

10,0 ± 2,0

0,

6
Ø

37,0 max.

1,

8t

yp

.

Heat shrinkable

Tubing (black)

2

1

0,

2
Ø

detail A

1,68

ma

x.

Release Tape

25,0 ± 2,0

Ø 10,3 ± 0,3

5,0

10,0

Ø

max.

2,

0

Release Tape

0,048 Adhesi

ve

Tape

A

3

Broschuere_WPCC_2017.indd   35

02.03.17   09:17

background image

36

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Dimensions 760 308 103 211 (in mm)

Dimensions 760 308 102 213 (in mm)

Dimensions 760 308 102 212 (in mm)

Dimensions 760 308 103 215 (in mm)

Dimensions 760 308 101 216 (in mm)

Dimensions 760 308 101 214 (in mm)

A

detail A

0,26

±0

,1

Release Tape

0,8

m

ax

.

19,0 ±0,3

0,1

5

3,

0

5,0

25,0 ±1,0

Release Tape

5,0 ±0,3

17,0 ±1,0

sectional drawing A-A

PET

Ferrite Sheet

Glue

Copper Coil

PET

Ferrite Sheet

Adhesive Tape

Release Paper

Glue

5,

0

5,0

46 ± 0,3

36

± 0,

3

25 ± 2,0

detail A

0,50

±0,2

A

A

A

PET
Ferrite Sheet
Adhesive Tape

A

A

21,4 ±0,8

29,0 ±0,3

o

5,0

5,

0

12,8 ±0,3

sectional drawing A-A

B

detail B

0,

64

±0

,3

Release Paper

Glue

Copper Coil

25,0 ±1,0

29 ± 0,3

¨

24,72 ± 0,5

¨

5,

0

5,0

sectional drawing A-A

detail B

Release Paper

Copper Coil

Glue

PET
Ferrite Sheet

Glue

PET

Adhesive Tape

25 ± 1,0

A

A

B

0,62

±0,3

PET

Ferrite Sheet

Glue

Copper Coil

Release Paper

A

A

48,0 ±0,3

25,0 ±1,0

5,0

12

,0

32,

0,

3

sectional drawing A-A

B

detail B

1,0

ma

x

Ferrite Sheet

Adhesive Tape

5

6,0 ±0,3

25,0 ±1,0

2,

5

detail A

2,

0m

ax

Release Paper

Copper Coil

Adhesive Tape

Ferrite Sheet

PET

Epoxy

A

Broschuere_WPCC_2017.indd   36

02.03.17   09:17

37

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Dimensions 760 308 101 303 (in mm)

Dimensions 760 308 103 305 (in mm)

Dimensions 760 308 103 307 (in mm)

Dimensions 760 308 102 306 (in mm)

Dimensions 760 308 101 219 (in mm)

Dimensions 760 308 101 220 (in mm)

Dimensions 760 308 101 217 (in mm)

3,

0

5,0

25,0 ±1

A

1,

31

±0,

3

Double-faced Adhesive Tape

Ferrite Sheet

Double-faced Adhesive Tape

Release Paper

Copper Coil

PET

PET

detail A

Release Paper

26

,3

±0

,3

3,

0

5,0 ±2,0

25,0 ±2,0

17,0 ±0,3

A

detail A

0,82

±0,2

Copper Coil

Release Paper

Doublefaced Adhesive Tape

Ferrite Sheet

PET

Glue

10,3 ± 0,3

5,0 ± 2

25,0 ± 2,0

2,

0

1,86

± 0,

5

Release Tape

Copper Coil
Epoxy
PET
Ferrite Sheet
Adhesive Tape

Release Paper

detail A

7,2 ±0,5

A

15,0 ±0,5

25,0 ±2,0

2,

0

5,0 ±2,0

A

detail A

0,

0,25

Release Paper

Adhesive Tape

Ferrite Sheet

Epoxy

Copper Coil

44,0 ±0,5

25,0 ±2,0

5,0 ±2,0

45,

0,

5

A

A

sectional drawing A-A

B

detail B

0,72

±0,3

Release Paper

Adhesive Tape

PET

Ferrite

PET

Glue

Copper Coil

PET

Copper Coil

Copper Coil

Adhesive Tape

PET

Ferrite

PET

Glue

Copper Coil

PET

Copper Coil

Copper Coil

27,

0,

5

40,0 ±0,5

25,0 ±2,0

5,0 ±2,0

A

A

sectional drawing A-A

B

detail B

1,

0m

ax

.

Release Paper

44,0 ±0,5

44,0

±0,5

A

A

sectional drawing A-A

B

detail B

0,72

±0,3

Release Paper

Adhesive Tape

PET

Ferrite

PET

Glue

Copper Coil

PET

Copper Coil

Copper Coil

3

Broschuere_WPCC_2017.indd   37

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background image

36

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Dimensions 760 308 103 211 (in mm)

Dimensions 760 308 102 213 (in mm)

Dimensions 760 308 102 212 (in mm)

Dimensions 760 308 103 215 (in mm)

Dimensions 760 308 101 216 (in mm)

Dimensions 760 308 101 214 (in mm)

A

detail A

0,26

±0

,1

Release Tape

0,8

m

ax

.

19,0 ±0,3

0,1

5

3,

0

5,0

25,0 ±1,0

Release Tape

5,0 ±0,3

17,0 ±1,0

sectional drawing A-A

PET

Ferrite Sheet

Glue

Copper Coil

PET

Ferrite Sheet

Adhesive Tape

Release Paper

Glue

5,

0

5,0

46 ± 0,3

36

± 0,

3

25 ± 2,0

detail A

0,50

±0,2

A

A

A

PET
Ferrite Sheet
Adhesive Tape

A

A

21,4 ±0,8

29,0 ±0,3

o

5,0

5,

0

12,8 ±0,3

sectional drawing A-A

B

detail B

0,

64

±0

,3

Release Paper

Glue

Copper Coil

25,0 ±1,0

29 ± 0,3

¨

24,72 ± 0,5

¨

5,

0

5,0

sectional drawing A-A

detail B

Release Paper

Copper Coil

Glue

PET
Ferrite Sheet

Glue

PET

Adhesive Tape

25 ± 1,0

A

A

B

0,62

±0,3

PET

Ferrite Sheet

Glue

Copper Coil

Release Paper

A

A

48,0 ±0,3

25,0 ±1,0

5,0

12

,0

32,

0,

3

sectional drawing A-A

B

detail B

1,0

ma

x

Ferrite Sheet

Adhesive Tape

5

6,0 ±0,3

25,0 ±1,0

2,

5

detail A

2,

0m

ax

Release Paper

Copper Coil

Adhesive Tape

Ferrite Sheet

PET

Epoxy

A

Broschuere_WPCC_2017.indd   36

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03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Dimensions 760 308 101 303 (in mm)

Dimensions 760 308 103 305 (in mm)

Dimensions 760 308 103 307 (in mm)

Dimensions 760 308 102 306 (in mm)

Dimensions 760 308 101 219 (in mm)

Dimensions 760 308 101 220 (in mm)

Dimensions 760 308 101 217 (in mm)

3,

0

5,0

25,0 ±1

A

1,

31

±0,

3

Double-faced Adhesive Tape

Ferrite Sheet

Double-faced Adhesive Tape

Release Paper

Copper Coil

PET

PET

detail A

Release Paper

26

,3

±0

,3

3,

0

5,0 ±2,0

25,0 ±2,0

17,0 ±0,3

A

detail A

0,82

±0,2

Copper Coil

Release Paper

Doublefaced Adhesive Tape

Ferrite Sheet

PET

Glue

10,3 ± 0,3

5,0 ± 2

25,0 ± 2,0

2,

0

1,86

± 0,

5

Release Tape

Copper Coil
Epoxy
PET
Ferrite Sheet
Adhesive Tape

Release Paper

detail A

7,2 ±0,5

A

15,0 ±0,5

25,0 ±2,0

2,

0

5,0 ±2,0

A

detail A

0,

0,25

Release Paper

Adhesive Tape

Ferrite Sheet

Epoxy

Copper Coil

44,0 ±0,5

25,0 ±2,0

5,0 ±2,0

45,

0,

5

A

A

sectional drawing A-A

B

detail B

0,72

±0,3

Release Paper

Adhesive Tape

PET

Ferrite

PET

Glue

Copper Coil

PET

Copper Coil

Copper Coil

Adhesive Tape

PET

Ferrite

PET

Glue

Copper Coil

PET

Copper Coil

Copper Coil

27,

0,

5

40,0 ±0,5

25,0 ±2,0

5,0 ±2,0

A

A

sectional drawing A-A

B

detail B

1,

0m

ax

.

Release Paper

44,0 ±0,5

44,0

±0,5

A

A

sectional drawing A-A

B

detail B

0,72

±0,3

Release Paper

Adhesive Tape

PET

Ferrite

PET

Glue

Copper Coil

PET

Copper Coil

Copper Coil

3

Broschuere_WPCC_2017.indd   37

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background image

38

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Temperature vs. Current

Q-factor vs. Frequency

Temperature vs. Current

Q-factor vs. Frequency

Temperature vs. Current

Q-factor vs. Frequency

Temperature vs. Current

Q-factor vs. Frequency

60

50

40

30

20

10

0

0

2

2.5

0.5

1

1.5

3

3.5

4.0

4.5

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

760 308 201
760 308 102 210

1000

100

10

0

10

100

1000

10000

1000000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 201
760 308 102 210

80

70

60

50

40

30

20

10

0

0

2

2.5

0.5

1

1.5

3

3.5

4

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

760 308 103 202
760 308 103 203
760 308 103 204

100

10

0

10

100

1000

10000

1000000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 103 202
760 308 103 203
760 308 103 204

0

20

10

30

40

50

60

0

1.0

2.0

3.0

4.0

5.0

6.0

Strom/current (A)

Temperaturanstieg/temperature rise (K)

760 308 103 205
760 308 102 207

0

40

20

60

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 103 205
760 308 102 207

0

20

10

30

40

50

60

0

0.5

1.0

1.5

2.0

Strom/current (A)

Temperaturanstieg/temperature rise (K)

760 308 103 206
760 308 101 208
760 308 101 303

0

40

20

60

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-facto

r

760 308 103 206
760 308 103 208
760 308 102 303

Broschuere_WPCC_2017.indd   38

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Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Temperature vs. Current

Temperature vs. Current 760 308 101 208A

Q-factor vs. Frequency

Q-factor vs. Frequency 760 308 101 208A

Temperature vs. Current 760 308 103 211

Q-factor vs. Frequency 760 308 103 211

Temperature vs. Current 760 308 101 214

Q-factor vs. Frequency 760 308 101 214

70

60

50

40

30

20

10

0

0

2.5

2.0

1.5

1.0

0.5

3.0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

760 308 102 212
760 308 102 213

0

20

10

30

40

50

60

0

0.2

0.1

0.3

0.4

0.6

0.5

0.7

0.8

Strom/current (A)

Temperaturanstieg/temperature rise (K)

50

40

30

20

10

0

10

100

100000

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 102 212
760 308 102 213

0

20

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

70

60

50

40

30

20

10

0

0

4.0

3.0

2.0

1.0

5.0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

50

40

30

20

10

0

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

60

50

40

30

20

10

0

0

1.2

1.0

0.8

0.6

0.4

0.2

1.4

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

40

30

20

10

0

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

3

Broschuere_WPCC_2017.indd   39

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background image

38

03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Temperature vs. Current

Q-factor vs. Frequency

Temperature vs. Current

Q-factor vs. Frequency

Temperature vs. Current

Q-factor vs. Frequency

Temperature vs. Current

Q-factor vs. Frequency

60

50

40

30

20

10

0

0

2

2.5

0.5

1

1.5

3

3.5

4.0

4.5

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

760 308 201
760 308 102 210

1000

100

10

0

10

100

1000

10000

1000000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 201
760 308 102 210

80

70

60

50

40

30

20

10

0

0

2

2.5

0.5

1

1.5

3

3.5

4

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

760 308 103 202
760 308 103 203
760 308 103 204

100

10

0

10

100

1000

10000

1000000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 103 202
760 308 103 203
760 308 103 204

0

20

10

30

40

50

60

0

1.0

2.0

3.0

4.0

5.0

6.0

Strom/current (A)

Temperaturanstieg/temperature rise (K)

760 308 103 205
760 308 102 207

0

40

20

60

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 103 205
760 308 102 207

0

20

10

30

40

50

60

0

0.5

1.0

1.5

2.0

Strom/current (A)

Temperaturanstieg/temperature rise (K)

760 308 103 206
760 308 101 208
760 308 101 303

0

40

20

60

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-facto

r

760 308 103 206
760 308 103 208
760 308 102 303

Broschuere_WPCC_2017.indd   38

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Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Temperature vs. Current

Temperature vs. Current 760 308 101 208A

Q-factor vs. Frequency

Q-factor vs. Frequency 760 308 101 208A

Temperature vs. Current 760 308 103 211

Q-factor vs. Frequency 760 308 103 211

Temperature vs. Current 760 308 101 214

Q-factor vs. Frequency 760 308 101 214

70

60

50

40

30

20

10

0

0

2.5

2.0

1.5

1.0

0.5

3.0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

760 308 102 212
760 308 102 213

0

20

10

30

40

50

60

0

0.2

0.1

0.3

0.4

0.6

0.5

0.7

0.8

Strom/current (A)

Temperaturanstieg/temperature rise (K)

50

40

30

20

10

0

10

100

100000

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

760 308 102 212
760 308 102 213

0

20

10

100

1000

10000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

70

60

50

40

30

20

10

0

0

4.0

3.0

2.0

1.0

5.0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

50

40

30

20

10

0

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

60

50

40

30

20

10

0

0

1.2

1.0

0.8

0.6

0.4

0.2

1.4

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

40

30

20

10

0

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

3

Broschuere_WPCC_2017.indd   39

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background image

40

03/17

Würth Elektronik eiSos

®

Temperature vs. Current 760 308 103 215

Q-factor vs. Frequency 760 308 103 215

WE-WPCC

Wireless Power Receiver Coil

Temperature vs. Current

Temperature vs. Current 760 308 103 305

Temperature vs. Current 760 308 102 306

Q-factor vs. Frequency

Q-factor vs. Frequency 760 308 103 305

Q-factor vs. Frequency 760 308 102 306

50

40

30

20

10

0

0

3.0

2.5

2.0

1.5

1.0

0.5

3.5

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

50

40

30

20

10

0

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

0

10

30

20

40

70

50

60

0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

Strom/current (A)

Temperarure rise (K)

760 308 101 216
760 308 101 217
760 308 101 219
760 308 101 220

1

100

10

10

100

100000

10000

1000

Frequenz/frequency (kHz)

Q-factor

760 308 101 216
760 308 101 217
760 308 101 219
760 308 101 220

45

40

30

35

20

25

10

15

5

0

0

4.0

3.0

2.0

1.0

5.0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

60

50

30

40

20

10

0

0

4.0

3.0

2.0

1.0

5.0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

50

25

0

10

100

100000

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

75

25

50

0

10

100

100000

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

Broschuere_WPCC_2017.indd   40

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03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Temperature vs. Current 760 308 103 307

Q-factor vs. Frequency 760 308 103 307

60

50

30

40

20

10

0

0

4.0

3.0

2.0

1.0

5.0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

75

25

50

0

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

3

Broschuere_WPCC_2017.indd   41

02.03.17   09:17

background image

40

03/17

Würth Elektronik eiSos

®

Temperature vs. Current 760 308 103 215

Q-factor vs. Frequency 760 308 103 215

WE-WPCC

Wireless Power Receiver Coil

Temperature vs. Current

Temperature vs. Current 760 308 103 305

Temperature vs. Current 760 308 102 306

Q-factor vs. Frequency

Q-factor vs. Frequency 760 308 103 305

Q-factor vs. Frequency 760 308 102 306

50

40

30

20

10

0

0

3.0

2.5

2.0

1.5

1.0

0.5

3.5

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

50

40

30

20

10

0

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

0

10

30

20

40

70

50

60

0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

Strom/current (A)

Temperarure rise (K)

760 308 101 216
760 308 101 217
760 308 101 219
760 308 101 220

1

100

10

10

100

100000

10000

1000

Frequenz/frequency (kHz)

Q-factor

760 308 101 216
760 308 101 217
760 308 101 219
760 308 101 220

45

40

30

35

20

25

10

15

5

0

0

4.0

3.0

2.0

1.0

5.0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

60

50

30

40

20

10

0

0

4.0

3.0

2.0

1.0

5.0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

50

25

0

10

100

100000

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

75

25

50

0

10

100

100000

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

Broschuere_WPCC_2017.indd   40

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03/17

Würth Elektronik eiSos

®

WE-WPCC

Wireless Power Receiver Coil

Temperature vs. Current 760 308 103 307

Q-factor vs. Frequency 760 308 103 307

60

50

30

40

20

10

0

0

4.0

3.0

2.0

1.0

5.0

Strom/current (A)

Temperaturanstieg/temperature rise (K

)

75

25

50

0

10

100

10000

1000

Frequenz/frequency (kHz)

Q-Faktor/Q-factor

3

Broschuere_WPCC_2017.indd   41

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background image

42

776

11/16

Würth Elektronik eiSos

®

Würth Elektronik eiSos Group

EUROPE

Würth Elektronik

eiSos GmbH & Co. KG

Passive Components
Max-Eyth-Str. 1
DE-74638 Waldenburg
Tel. +49 7942 9450
eiSos@we-online.de

Würth Elektronik eiCan

Elektromechanical Components
Max-Eyth-Str. 1
DE-74638 Waldenburg
Tel. +49 7942 945-5301
eiCan@we-online.com

Würth Elektronik iBE GmbH

Automotive
Gewerbepark 8
DE-94136 Thyrnau
Tel. +49 8501 9001-100
ibe@we-online.de

Würth Elektronik France SAS

1861 Avenue Henri Schneider
CS 70029
69881 Meyzieu Cedex
Tel. +33 427 861100
eiSos-france@we-online.com

Würth Elektronik Italia srl

Via Po, 85
IT-20032 Cormano (MI)
Tel. +39 02 66281-701
eiSos-italy@we-online.com

Würth Elektronik Ithalat

Ihracat ve Ticaret Ltd.Sti

Serifali Mh.Cetin Caddesi Kule Sok No:25
TR-34775 Ümraniye/Istanbul
Tel. +90 216 466 4130
eiSos-turkey@we-online.com

Wurth Electronics UK Ltd.

8th Floor, 8 Exchange Quay
Salford Quays,
UK - M5 3EJ – Manchester
Tel. +44 161 872 0431
sales-uk@we-online.com

Würth Elektronik Ireland

UK Limited

36, Westbury Drive
Lucan, IRL – Co. Dublin
Tel. +353 1 6212061
eiSos-ireland@we-online.com

Würth Elektronik España S.L.

C/ Balmes, 4 5ª Planta
ES-08007 Barcelona
Tel. +34 935 471 410
eiSos-spain@we-online.com

Würth Elektronik Österreich GmbH

Hauptplatz 20 – Top 13
AT-2320 Schwechat
Tel. +43 1 7070101-0
Fax: +43 1 7070101-420
eiSos-austria@we-online.com

Würth Elektronik Polska Sp. z o.o.

ul. Wagonowa 2
PL- 53-609 Wrocław
Tel. +48 71 749 76 00
eiSos-poland@we-online.com

Würth Elektronik Slovenia

Dom in vrt 27
SL-1420 Trbovlje
Tel. +386 30 603644
eiSos-slovenia@we-online.com

Würth Elektronik Schweiz AG

Witikonerstr. 409
CH-8053 Zürich, ZH
Tel. +41 44 269-6161
eiSos-swiss@we-online.com

Würth Elektronik Nederland B.V.

Het Sterrenbeeld 35
NL-5215 MK’s-Hertogenbosch
Tel. +31 73 6291570
eiSos-netherlands@we-online.com

Würth Elektronik Finland Oy

Karhutie 4
FIN-01900 Nurmijärvi
Tel. +358 9 878900
eiSos-finland@we-online.com

Würth Elektronik Czech Republic

Nad Vyvozem 4857
CZ-760 05 Zlin
Tel. +420 577 001981
eiSos-czech@we-online.com

Würth Elektronik Hungary Kft.

Népfürdő u. 22. A tower 5th floor
HU-1138 Budapest
Tel. +36 1 877 3000
eiSos-hungary@we-online.com

Würth Elektronik Slovakia

Prehradn 363
CZ-76316 Frystak
Tel. +420 577 104607
eiSos-slovakia@we-online.com

Würth Elektronik Romania

Str. Gospodarilor Nr. 13/1
RO-400140 Cluj-Napoca
Tel. +40 744 773530
eiSos-romania@we-online.com

Würth Elektronik Scandinavia

Annelundsgatan 17C
SE-74940 Enköping
Tel. +46 171 428400
eiSos-scandinavia@we-online.com

Responsible for: Sweden,
Denmark, Norway and Iceland

Würth Elektronik Belgium

Drabstraat 30
BE-2640 Mortsel
Tel. +32 3 2309940

Rue Paul Hulin 41
BE-6180 Courcelles
Tel. +32 71 459496
eiSos-belgium@we-online.com

Würth Elektronik Russia

Tel. +7 916 543 50 30
eiSos-russia@we-online.com

Würth Elektronik Bulgaria

Zona B- 5, bl.16
BG-1303 Sofia
Tel. +359 887 870540
eiSos-bulgaria@we-online.com

AMERICA

Wurth Electronics Midcom Inc.

121 Airport Drive
Watertown, SD 57201
Tel. +1 605 8864385
midcom@we-online.com

Würth Elektronik Brazil

Tel. +55 11 46131755
eiSos-brazil@we-online.com

Würth Elektronik Canada

159 Lariviere
JSK 1E5 St.-Colomban, QC
Tel. +2 450 5920615
eiSos-canada@we-online.com

Wurth Elektronik México

Parque Tecnológico ITESO
Calle Independencia 1018
Parques del Bosque
MX-45609 Tlaquepaque, Jalisco, México
Tel. +52 33 1922 0000
eisos-mexico@we-online.com

ASIA, ISRAEL, AUSTRALIA, NEW ZEALANd

Wurth Electronic China

No.7, Haitai Development 6th.Road
Huayuan Hi-tech Industry Park
300384 Tianjin, China
Tel. +86 22 23858666
eiSos-china@we-online.com

Wurth Electronics Hong Kong

Unit 08 12/F New Tech Plaza
34 Tai Yau Street
San Po Kong, Kowloon, Hong Kong
Tel. +852 23 278488
eiSos-hongkong@we-online.com

Würth Elektronik Israel

P.O.Box 3585
Hatohen 2
Caesarea Industrial Park
IL-38900 Caesarea Industrial Park
Tel. +972 463 28889
eiSos-israel@we-online.com

Wurth Electronics Taiwan

4th Floor, No. 18-1, Section 6
Mincyuan East Road, Neihu District
Taipei 114, Taiwan
Tel. +886 2 27918625
eiSos-taiwan@we-online.com

Responsible for:
South Korea

Wurth Electronics

Services India Pvt Ltd.

Prestige Sterling Square
N0. 3 Madras Bank Road
Next to Airlines Hotel
Bangalore – 560001, Karnataka, India
Tel: +91 80 40627400
eiSos-India@we-online.com

Wurth Electronics

(Shenyang) Co, Ltd.

Automotive
Jianshe Road 119, Building 3
European Union Economic
Development Zone
CN-110122 Shenyang City,
Liaoning Province
Tel. +86 24 29877700

Wurth Electronics Singapore Pte.

12 Harper Road
#06-00 Sulisam Building
SG-Singapore 369677
Tel. +65 67 421567
eiSos-singapore@we-online.com

Responsible for:
Indonesia, Malaysia,  Philippines,
Thailand and Vietnam

Wurth Electronics Australia

Ascot Vale
Victoria 3032
Tel. +61 417 391 518
eiSos-australia@we-online.com

Responsible for:
New Zealand

03/17

Würth Elektronik eiSos

®

background image

43

776

11/16

Würth Elektronik eiSos

®

Würth Elektronik eiSos Group

EUROPE

Würth Elektronik

eiSos GmbH & Co. KG

Passive Components
Max-Eyth-Str. 1
DE-74638 Waldenburg
Tel. +49 7942 9450
eiSos@we-online.de

Würth Elektronik eiCan

Elektromechanical Components
Max-Eyth-Str. 1
DE-74638 Waldenburg
Tel. +49 7942 945-5301
eiCan@we-online.com

Würth Elektronik iBE GmbH

Automotive
Gewerbepark 8
DE-94136 Thyrnau
Tel. +49 8501 9001-100
ibe@we-online.de

Würth Elektronik France SAS

1861 Avenue Henri Schneider
CS 70029
69881 Meyzieu Cedex
Tel. +33 427 861100
eiSos-france@we-online.com

Würth Elektronik Italia srl

Via Po, 85
IT-20032 Cormano (MI)
Tel. +39 02 66281-701
eiSos-italy@we-online.com

Würth Elektronik Ithalat

Ihracat ve Ticaret Ltd.Sti

Serifali Mh.Cetin Caddesi Kule Sok No:25
TR-34775 Ümraniye/Istanbul
Tel. +90 216 466 4130
eiSos-turkey@we-online.com

Wurth Electronics UK Ltd.

8th Floor, 8 Exchange Quay
Salford Quays,
UK - M5 3EJ – Manchester
Tel. +44 161 872 0431
sales-uk@we-online.com

Würth Elektronik Ireland

UK Limited

36, Westbury Drive
Lucan, IRL – Co. Dublin
Tel. +353 1 6212061
eiSos-ireland@we-online.com

Würth Elektronik España S.L.

C/ Balmes, 4 5ª Planta
ES-08007 Barcelona
Tel. +34 935 471 410
eiSos-spain@we-online.com

Würth Elektronik Österreich GmbH

Hauptplatz 20 – Top 13
AT-2320 Schwechat
Tel. +43 1 7070101-0
Fax: +43 1 7070101-420
eiSos-austria@we-online.com

Würth Elektronik Polska Sp. z o.o.

ul. Wagonowa 2
PL- 53-609 Wrocław
Tel. +48 71 749 76 00
eiSos-poland@we-online.com

Würth Elektronik Slovenia

Dom in vrt 27
SL-1420 Trbovlje
Tel. +386 30 603644
eiSos-slovenia@we-online.com

Würth Elektronik Schweiz AG

Witikonerstr. 409
CH-8053 Zürich, ZH
Tel. +41 44 269-6161
eiSos-swiss@we-online.com

Würth Elektronik Nederland B.V.

Het Sterrenbeeld 35
NL-5215 MK’s-Hertogenbosch
Tel. +31 73 6291570
eiSos-netherlands@we-online.com

Würth Elektronik Finland Oy

Karhutie 4
FIN-01900 Nurmijärvi
Tel. +358 9 878900
eiSos-finland@we-online.com

Würth Elektronik Czech Republic

Nad Vyvozem 4857
CZ-760 05 Zlin
Tel. +420 577 001981
eiSos-czech@we-online.com

Würth Elektronik Hungary Kft.

Népfürdő u. 22. A tower 5th floor
HU-1138 Budapest
Tel. +36 1 877 3000
eiSos-hungary@we-online.com

Würth Elektronik Slovakia

Prehradn 363
CZ-76316 Frystak
Tel. +420 577 104607
eiSos-slovakia@we-online.com

Würth Elektronik Romania

Str. Gospodarilor Nr. 13/1
RO-400140 Cluj-Napoca
Tel. +40 744 773530
eiSos-romania@we-online.com

Würth Elektronik Scandinavia

Annelundsgatan 17C
SE-74940 Enköping
Tel. +46 171 428400
eiSos-scandinavia@we-online.com

Responsible for: Sweden,
Denmark, Norway and Iceland

Würth Elektronik Belgium

Drabstraat 30
BE-2640 Mortsel
Tel. +32 3 2309940

Rue Paul Hulin 41
BE-6180 Courcelles
Tel. +32 71 459496
eiSos-belgium@we-online.com

Würth Elektronik Russia

Tel. +7 916 543 50 30
eiSos-russia@we-online.com

Würth Elektronik Bulgaria

Zona B- 5, bl.16
BG-1303 Sofia
Tel. +359 887 870540
eiSos-bulgaria@we-online.com

AMERICA

Wurth Electronics Midcom Inc.

121 Airport Drive
Watertown, SD 57201
Tel. +1 605 8864385
midcom@we-online.com

Würth Elektronik Brazil

Tel. +55 11 46131755
eiSos-brazil@we-online.com

Würth Elektronik Canada

159 Lariviere
JSK 1E5 St.-Colomban, QC
Tel. +2 450 5920615
eiSos-canada@we-online.com

Wurth Elektronik México

Parque Tecnológico ITESO
Calle Independencia 1018
Parques del Bosque
MX-45609 Tlaquepaque, Jalisco, México
Tel. +52 33 1922 0000
eisos-mexico@we-online.com

ASIA, ISRAEL, AUSTRALIA, NEW ZEALANd

Wurth Electronic China

No.7, Haitai Development 6th.Road
Huayuan Hi-tech Industry Park
300384 Tianjin, China
Tel. +86 22 23858666
eiSos-china@we-online.com

Wurth Electronics Hong Kong

Unit 08 12/F New Tech Plaza
34 Tai Yau Street
San Po Kong, Kowloon, Hong Kong
Tel. +852 23 278488
eiSos-hongkong@we-online.com

Würth Elektronik Israel

P.O.Box 3585
Hatohen 2
Caesarea Industrial Park
IL-38900 Caesarea Industrial Park
Tel. +972 463 28889
eiSos-israel@we-online.com

Wurth Electronics Taiwan

4th Floor, No. 18-1, Section 6
Mincyuan East Road, Neihu District
Taipei 114, Taiwan
Tel. +886 2 27918625
eiSos-taiwan@we-online.com

Responsible for:
South Korea

Wurth Electronics

Services India Pvt Ltd.

Prestige Sterling Square
N0. 3 Madras Bank Road
Next to Airlines Hotel
Bangalore – 560001, Karnataka, India
Tel: +91 80 40627400
eiSos-India@we-online.com

Wurth Electronics

(Shenyang) Co, Ltd.

Automotive
Jianshe Road 119, Building 3
European Union Economic
Development Zone
CN-110122 Shenyang City,
Liaoning Province
Tel. +86 24 29877700

Wurth Electronics Singapore Pte.

12 Harper Road
#06-00 Sulisam Building
SG-Singapore 369677
Tel. +65 67 421567
eiSos-singapore@we-online.com

Responsible for:
Indonesia, Malaysia,  Philippines,
Thailand and Vietnam

Wurth Electronics Australia

Ascot Vale
Victoria 3032
Tel. +61 417 391 518
eiSos-australia@we-online.com

Responsible for:
New Zealand

03/17

Würth Elektronik eiSos

®

Electronic &

Electromechanical Components

LEDs

REDCUBE Terminals

Assembly Technique

Capacitors

Power Modules

Connectors

Switches

Fuse Holder &

Battery Holder

Power Magnetics

Signal &

Communications

EMC Components

background image

more than you expect

www.we-online.com

Würth Elektronik eiSos differs from all other component

manufacturers in several aspects:

We guarantee all catalogue products are available ex stock

Samples free of charge

Orders below MOQ

Design kits with lifelong free refill

Design Guide Trilogy of Magnetics, Trilogy of Connectors, Abc of Capacitors,
Abc of Power Modules & Application Handbook The LTspice IV Simulator

Design Seminars free of charge

Reference designs of leading IC manufacturers

Worldwide technical sales force and field application engineers on site

Cable Assembler Pool

DIE

NEC

KA

RP

RI

NZE

N

9999

40

0

21

6.

5’

.D

D