DC/DC Converter | AC/DC Converter | CAN-Interface | USB 3.0 | USB 2.0 | VGA | IP-Phone | LCD Monitor | Wireless LAN | RS232/485 InterfaceDC/DC Converter | AC/DC Converter | CAN-Interface | USB 3.0 | USB 2.0 | VGA | IP-Phone | LCD Monitor | Wireless LAN | RS232/485 Interface

Application Guide

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Easy to use Split in modules and applicationsComponents and applications at a glance

Modules are subsystems which occur in several applications. Therefore modules are specified in detail on an extra page. The modules are marked yellow in all applications.

Colour code marks subsystems like:

Power Lines Data Lines RF CircuitsElectromechanical Connections

Please note:Although great care has been taken to provide accurate and current information, neither the authors nor the publisher, nor anyone else associated with this publication, shall be liable for any loss, damage, or liability directly or indirectly caused or alleyed to be caused by this brochure.

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DC / DC Converter

1

1

2

3

5

5

5

5

4

4

SMD Common Mode

ChokeWE-SLx Series

1

Power Line Data Line

RFElectromechanical

SMD Power Inductor

WE-PDx Series

Transformer for

DC / DC Converter

WE-FLEX

2

SMD Power Inductor

WE-HCx Series

SMD Power Inductor

WE-TPC

SMD EMI Power

Ferrite Bead

WE-PBF

3

Multiline Suppression

Ferrite

WE-MLS

4Connectors

WERI

5

Power Inductor

WE-PDx Series

Varistors

WE-VS

WE-VD

DC / DC Converter

Reference to module

Snap Ferrite STAR-TEC

21

1

D+

D-

VCC--USB

5

5

5

6

2

3

5

4

4

-USB

2

Reference to component

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DC / DC Converter

1

1 2

35

5

5

5

4 4

SMD Common ModeChokeWE-SLx Series

1

Power Line Data Line RFElectromechanical

SMD Power Inductor WE-PDx Series

Transformer forDC / DC Converter WE-FLEX

2

SMD Power Inductor WE-HCx Series

SMD Power Inductor WE-TPC

SMD EMI Power Ferrite BeadWE-PBF

3

Multiline SuppressionFerrite WE-MLS

4

ConnectorsWERI

5

Power InductorWE-PDx Series

VaristorsWE-VS WE-VD

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AC / DC Converter

EMI Suppression

Transformer

Feedback / Sensor

Output Filter

Switching Circuit

AC GND

Out 5V - 48V

13

5

5

2

Surge Suppression

4

Current CompensatedPower Line Choke WE-FC

1

Current CompensatedPower Inductor WE-LF

Current CompensatedChoke WE-CMB

Offline TransformerWE-UNIT

VaristorsWE-VD

SMD Power InductorWE-PDx Series

3

Axial Ferrite Bead

Common ModeWE-SL5

SMD Tiny Power Inductor WE-TPC

2 4 5

ConnectorsWERI

Power Line Data Line RFElectromechanical

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CAN – Interface

3

CAN-Busµ-Controller

CAN-Buffer

1 1

D_GND CAN_GND

Tx CAN_HB

Rx CAN_LB

2

3

4

Chip Bead FerriteWE-CBF

1 3

SMD Common ModeLine FilterWE-SLM

2

SMD Common ModeLine FilterWE-SL2

4

WERIWR-DSUB

ESD SuppressorsWE-VE

Power Line Data Line RFElectromechanical

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D-

D+

51

SSTX-

SSTX+

526

SSRX-

SSRX+

52

USB 3.0

VCC / power supply

GND

SSRX-

SSTX-

DB

SSRX+

SSTX+

VCC Bus

DA

4

4 4

4 VCC

Bus

GND Bus

VCC

VDA

USB-Controller“3.0”

Power Line Data Line RFElectromechanical

3

Snap Ferrite STAR-TEC

TVS DiodeWE-TVS

Chip Bead Ferrite WE-CBF

USB 3.0WR-COM

64

SMD Common ModeLine FilterWE-CNSW

1 2 53

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USB 2.0

VCC / VCC--Bus

DA

DB

1

1

3

3

D+

D-

VCC--USB

GND-USB

5

5

5

6

2

3

VDD

VDA

USB-Controller

5

4

4

Snap Ferrite STAR-TEC

SMD Common ModeChokeWE-CNSW

1

Chip Bead Ferrite WE-CBF

32

SMD Common ModeChokeWE-SL2

5

WERIWR-COM

4 6

SMD VaristorsWE-VS

ESD SuppressorsWE-VEA WE-VE

Power Line Data Line RFElectromechanical

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VGA

Power Line Data Line RFElectromechanical

Connector

VGA: Buffer Output Video Filter

+-

+ 5 V

- 5 V

820 Ω 820 Ω

75Ω1

+-

+ 5 V

- 5 V

820 Ω 820 Ω

75Ω1

+-

+ 5 V

- 5 V

820 Ω 820 Ω

75Ω1

47pF 47pF 180 pF11

Input Filter

47pF 47pF 100 pF11

Input Filter

Gate 74 AHCT04

R

G

B

HS

VS

R

G

B

HS

VS

IN OUT

33

CFA: Power Supply

V+

V-

+5 V

- 5 V

IN

Video Splitter

V+ +12 V

100 nF 220 nF

2

47 µF

V- +12 V

100 nF 220 nF

2

47 µF

IN

DC / DC

44

3

SMD Power InductorWE-PD Series

SMD Power InductorWE-PD2WE-GF

2

Chip Bead FerriteWE-CBF

1

ConnectorsWR-COMWR-DSUB

ESD SuppressorsWE-VE “ULC”WE-VE femtoF

4

TVS Diode ArrayWE-TVS

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IP-Phone

RJ 11

RAM

DC / DC Step Down

Speaker

LCD

Microphone

Keyboard Headset

PowerSupply 48V

LAN-Switch

Computer

Telecommunicationsystem orgateway

RJ 45

RJ 45

DC / DC PoE

RJ 45 ISDN Transformer

LAN Transformer

Bus

Core Spg. CPU

ISDN IC

internal supply

5

DC / DC Step Down

2

DC / DC Step DownDC / DC Step Down8

1 1

PHY Analog IC9

1

1 1

8 12 13 14 15 16

Speaker

1 8

1

12V15V

1086

10

4 10

10 10

DC / DC ConverterModule

DC / DC ConverterModule

1.5V3.3V

11

171 3

171 7

KeyboardKeyboard17 1710

LCD

1

17

Microphone

1

MicrophoneMicrophone

8

18

KeyboardKeyboard18 18

SMD Power InductorWE-PDx SeriesWE-TPC

LAN TransformerWE-LAN

PoE TransformerWE-PoE

Integrated LAN RJ45 TransformerWE-LAN RJ45

Common ModeLine FilterWE-SLx Series

64

Chip Bead FerriteWE-CBF

1 1 2 5

SMD Multilayer Ceramic InductorWE-MK

12

Digital TransformerWE-ISDN

7

SMD RF InductorWE-GFWE-LQ

8

ConnectorsWERI

10

SMD CommonMode ChokeWE-CNSW

9

SMD VaristorsWE-VS

11

3

13

Multilayer ChipAntennaWE-MCA

14

Multilayer Band-Pass FilterWE-BPF

15

Multilayer Chip BalunWE-BAL

16

SMD Wire Wound Ceramic InductorWE-KI

17 18

ESD SuppressorsWE-VE

TVS Diode ArrayWE-TVS

Power Line Data Line RFElectromechanical

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LCD Monitor

Power Line Data Line RFElectromechanical

DC / AC Inverter DC / DC ConverterModule

Display Processor

ADC

LVDS Driver

DC / DC ConverterModule

USB Controller

DC / DC ConverterModule

LCD Panel

LCD Controller

LVDS Receiver

3

4

4

5 6

5 6

8

2 2

USB Controller2

10

1

1

2

27 12

VGA

9119 13

Analog Modem TransformerWE-AMT

3

SMD Common ModeLine FilterWE-SLx Series

4

SMD RF InductorWE-LQ

5

SMD Power InductorsWE-PDx SeriesWE-TPC

6

SMD Common ModeChokeWE-CNSW

1

Chip Bead Ferrite WE-CBF

2

Power Ferrite BeadWE-PF

8

Ferrite Plate

Flat Ferrite Core

7 11

Connectors WR-FPC WR-FFC

12

ConnectorsWR-COM

Conductive ShieldingMaterialWE-LT

10

TVS Diode ArrayWE-TVS

13

9

ESD SuppressorsWE-VE

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Wireless LAN (2.4 GHz / 5 GHz)

Power Line Data Line RFElectromechanical

DC / DC Converter

Module

Media Access Controller

Flash ROM & SRAM

BasebandProcessor

RF IC

Antenna

Antenna

BPF

BPF

LNA

LNA

VCO

VCO

BPF

BPF

Balun

Balun

Balun

Balun

PA

PA

5 GHz

2.4 GHzDiplexer

Diplexer

RF Circuit

1

1

Diplexer

2

Diplexer

2

6

4

4

4

43

3

BPF3

BPF3

5

5

BPFBPF5

BPFBPF5

7

8

8

9

Multilayer ChipDiplexer WE-DPX

2

Multilayer Chip AntennaWE-MCA

1

SMD Wire Wound Ceramic InductorWE-KI

Multilayer Chip BalunWE-BAL

Multilayer Chip Band-Pass Filter WE-BPF

3 4 5

Chip Bead FerriteWE-CBF

6

ConnectorsWR-COM

7

ESD SuppressorWE-VE femtoF

8

ESD SuppressorWE-VE

9

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RS 232 / 485 Interface

Power Line Data Line RFElectromechanical

PCXMIT

PCGND

OPT. SHIELD

PCRCV

MAX IM MAX 860 IC1

C1 C3

C5 C7

C4 C2

XMIT-232

RCV-232

1N5817 +5V

C6

D2

33µF33µF

33µF100nF

1N4732D1

+++

2

43

7FC

OUT VDD

C1+

C1-

LV

SHDNGND

56

1

Computer

Computer

1

1

14

C

4

1 1

DC/DC-PowerConverterModule

3

32

SMD Chip Bead FerriteWE-CBF

ConnectorsWERI

3

SMD VaristorsWE-VS

1 1 2 4

ESD SuppressorsWE-VE

DIE

NECK

ARPR

INZE

N 11

10. 5

’. FL

Y

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Passive & ElectromechanicalComponents

EMC Components

Power Elements

Assembly Technique

Signal & Communications

Power Magnetics

Connectors

Switches