Transformers – Mouser Singapore

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Ethernet Solutions

Würth Elektronik offers multiple Ethernet solutions, including LAN transformers and modular jack connectors. The WE-LAN transformer series is designed with at least one transformer and one common mode choke in each channel. The LAN transformer portfolio consists of the WE-LAN series with Power over Ethernet (PoE) up to 150W and speeds up to 1Gbit/s, the WE-LAN 10G series with 10G Base-T and PoE(+) over four pairs up to 150W, and the WE-LAN AQ series, which is manufactured by a fully automated process with Ethernet speeds up to 1Gbit/s.

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Part #

Audio Transformers / Signal Transformers WE-LAN 10/100 Base-TX SMT Transformer 1Port 12pin pitch 2.54mm 4KVrms isolation

7490140141
Wurth Elektronik
1: $8.79
459In Stock

Mfr. Part No.
7490140141

Mouser Part No
710-7490140141

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10/100 Base-TX SMT Transformer 1Port 12pin pitch 2.54mm 4KVrms isolation

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Datasheet

459In Stock

Cut Tape

$8.79

$8.47

$8.00

$7.53

Reel

$7.06

MouseReel Available

Min.: 1
Mult.: 1

: 300

Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port

749020010A
Wurth Elektronik
1: $9.40
4,079In Stock

Mfr. Part No.
749020010A

Mouser Part No
710-749020010A

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port

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Datasheet

4,079In Stock

Cut Tape

$9.40

$8.60

$7.96

$7.47

Reel

$7.14

MouseReel Available

Min.: 1
Mult.: 1

: 400

Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port ETR

749020011A
Wurth Elektronik
1: $9.40
2,617In Stock

Mfr. Part No.
749020011A

Mouser Part No
710-749020011A

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port ETR

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Datasheet

2,617In Stock

Cut Tape

$9.40

$8.60

$7.96

$7.47

Reel

$7.14

MouseReel Available

Min.: 1
Mult.: 1

: 400

Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T

749020310
Wurth Elektronik
1: $10.23
2,215In Stock
2,000Expected 18/9/2026

Mfr. Part No.
749020310

Mouser Part No
710-749020310

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T

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Datasheet

2,215In Stock

2,000Expected 18/9/2026

Cut Tape

$10.23

$10.21

$9.52

$8.35

Reel

$6.79

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Audio Transformers / Signal Transformers WE-LAN SMT TRANSFMR 1000BT 1Port PoE+ETR

749022011
Wurth Elektronik
1: $8.79
1,085In Stock

Mfr. Part No.
749022011

Mouser Part No
710-749022011

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN SMT TRANSFMR 1000BT 1Port PoE+ETR

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Datasheet

1,085In Stock

Cut Tape

$8.79

$8.47

$8.00

$7.53

$7.06

Reel

$6.83

MouseReel Available

Min.: 1
Mult.: 1

: 375

Audio Transformers / Signal Transformers WE-LAN 1KBaseT 4PPoE 350uH 1Port 1500Vrms

7490220115
Wurth Elektronik
1: $18.09
814In Stock

Mfr. Part No.
7490220115

Mouser Part No
710-7490220115

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 1KBaseT 4PPoE 350uH 1Port 1500Vrms

Learn More

Datasheet

814In Stock

Cut Tape

$18.09

$14.96

$12.57

$12.05

Reel

$12.05

MouseReel Available

Min.: 1
Mult.: 1

: 400

Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD

7490220120
Wurth Elektronik
1: $8.08
1,395In Stock
800Expected 10/7/2026

Mfr. Part No.
7490220120

Mouser Part No
710-7490220120

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD

Learn More

Datasheet

1,395In Stock

800Expected 10/7/2026

Cut Tape

$8.08

$7.79

$7.32

$6.90

Reel

$6.46

MouseReel Available

Min.: 1
Mult.: 1

: 400

Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD

7490220121
Wurth Elektronik / Midcom
1: $8.79
1,428In Stock

Mfr. Part No.
7490220121

Mouser Part No
710-7490220121

Wurth Elektronik / Midcom

Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD

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Datasheet

1,428In Stock

Cut Tape

$8.79

$8.49

$7.97

$7.49

Reel

$7.03

MouseReel Available

Min.: 1
Mult.: 1

: 320

Audio Transformers / Signal Transformers WE-LAN SMD Transfrmr 10/100/1000Base-T

7490220123
Wurth Elektronik
1: $8.79
1,592In Stock
870Expected 10/7/2026

Mfr. Part No.
7490220123

Mouser Part No
710-7490220123

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN SMD Transfrmr 10/100/1000Base-T

Learn More

Datasheet

1,592In Stock

870Expected 10/7/2026

Cut Tape

$8.79

$8.49

$7.97

$7.49

Reel

$7.03

MouseReel Available

Min.: 1
Mult.: 1

: 290

Audio Transformers / Signal Transformers WE-LAN AQ 1KBaseT 4PPoE 150uH 1500Vrms

749022310
Wurth Elektronik
1: $7.18
1,274In Stock

Mfr. Part No.
749022310

Mouser Part No
710-749022310

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN AQ 1KBaseT 4PPoE 150uH 1500Vrms

Learn More

Datasheet

1,274In Stock

Cut Tape

$7.18

$6.61

$5.88

$5.40

$4.90

Reel

$4.41

MouseReel Available

Min.: 1
Mult.: 1

: 800

Audio Transformers / Signal Transformers WE-LAN AQ 1KBaseT 4PPoE 180uH 1500Vrms

749023310
Wurth Elektronik
1: $7.18
756In Stock
800Expected 28/8/2026

Mfr. Part No.
749023310

Mouser Part No
710-749023310

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN AQ 1KBaseT 4PPoE 180uH 1500Vrms

Learn More

Datasheet

756In Stock

800Expected 28/8/2026

Cut Tape

$7.18

$6.61

$5.88

$5.40

$4.90

Reel

$4.41

MouseReel Available

Min.: 1
Mult.: 1

: 800

Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 1000BASE-T 24pin pitch 1.27mm

7490240142
Wurth Elektronik
1: $16.25
314In Stock
480Expected 17/7/2026

Mfr. Part No.
7490240142

Mouser Part No
710-7490240142

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 1000BASE-T 24pin pitch 1.27mm

Learn More

Datasheet

314In Stock

480Expected 17/7/2026

Cut Tape

$16.25

$13.55

$12.32

$11.19

Reel

$10.17

MouseReel Available

Min.: 1
Mult.: 1

: 240

Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 1Port 1500Vrms

749024015C
Wurth Elektronik
1: $16.08
398In Stock

Mfr. Part No.
749024015C

Mouser Part No
710-749024015C

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 1Port 1500Vrms

Learn More

Datasheet

398In Stock

Cut Tape

$16.08

$16.05

$16.03

$16.02

Reel

$14.44

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr

749050018
Wurth Elektronik
1: $17.87
311In Stock

Mfr. Part No.
749050018

Mouser Part No
710-749050018

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr

Learn More

Datasheet

311In Stock

Cut Tape

$17.87

$14.84

$12.89

$11.64

Reel

$11.64

MouseReel Available

Min.: 1
Mult.: 1

: 450

Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port 4PPoE Trnsfmr

749052050
Wurth Elektronik
1: $21.35
458In Stock
580Expected 24/7/2026

Mfr. Part No.
749052050

Mouser Part No
710-749052050

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port 4PPoE Trnsfmr

Learn More

Datasheet

458In Stock

580Expected 24/7/2026

Cut Tape

$21.35

$17.86

$17.84

$15.46

Reel

$12.62

View

MouseReel Available

Min.: 1
Mult.: 1

: 290

Audio Transformers / Signal Transformers WE-LAN 2.5G/5G Base-T SMT 1 Port 120uH OCL a. 27mA DC Bias ETR from -40C to +85C

749082010
Wurth Elektronik
1: $20.86
370In Stock

Mfr. Part No.
749082010

Mouser Part No
710-749082010

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 2.5G/5G Base-T SMT 1 Port 120uH OCL a. 27mA DC Bias ETR from -40C to +85C

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Datasheet

370In Stock

Cut Tape

$20.86

$19.16

$17.29

$15.69

Reel

$14.35

MouseReel Available

Min.: 1
Mult.: 1

: 290

Audio Transformers / Signal Transformers WE-LAN Trans 1 Port 1000BT 1 Port

749023010A
Wurth Elektronik
1: $9.41
338In Stock

Mfr. Part No.
749023010A

Mouser Part No
710-749023010A

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN Trans 1 Port 1000BT 1 Port

Learn More

Datasheet

338In Stock

Cut Tape

$9.41

$8.61

$7.96

$7.48

Reel

$7.48

$7.15

MouseReel Available

Min.: 1
Mult.: 1

: 400

Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 40pin pitch 1.27mm

7490240140
Wurth Elektronik
1: $16.25
45In Stock
200Expected 24/7/2026

Mfr. Part No.
7490240140

Mouser Part No
710-7490240140

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 40pin pitch 1.27mm

Learn More

Datasheet

45In Stock

200Expected 24/7/2026

Cut Tape

$16.25

$13.55

$12.32

$11.19

Reel

$10.42

MouseReel Available

Min.: 1
Mult.: 1

: 200

Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port Transformer

749050010A
Wurth Elektronik
1: $10.38
268In Stock

Mfr. Part No.
749050010A

Mouser Part No
710-749050010A

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port Transformer

Learn More

Datasheet

268In Stock

Cut Tape

$10.38

$9.34

$8.96

$8.69

Reel

$7.92

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Audio Transformers / Signal Transformers WE-LAN 1000Base-T 350uH 1Port 1500Vrms

749020023A
Wurth Elektronik
1: $8.12
Lead-Time 14 Weeks

Mfr. Part No.
749020023A

Mouser Part No
710-749020023A

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 1000Base-T 350uH 1Port 1500Vrms

Learn More

Datasheet

Lead-Time 14 Weeks

Cut Tape

$8.12

$6.70

$5.63

$5.13

Reel

$4.66

MouseReel Available

Min.: 1
Mult.: 1

: 800

Audio Transformers / Signal Transformers WE-LAN AQ 10/100BasT 4PPoE 180uH 1500Vrms

749013310
Wurth Elektronik
1: $6.79
1,600Expected 17/7/2026

Mfr. Part No.
749013310

Mouser Part No
710-749013310

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN AQ 10/100BasT 4PPoE 180uH 1500Vrms

Learn More

Datasheet

1,600Expected 17/7/2026

Cut Tape

$6.79

$6.36

$5.81

$5.40

$5.25

Reel

$4.23

MouseReel Available

Min.: 1
Mult.: 1

: 800

Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr

749014011
Wurth Elektronik
1: $16.66
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
749014011

Mouser Part No
710-749014011

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

$16.66

$16.08

$15.18

$14.28

Reel

$13.40

$12.95

MouseReel Available

Min.: 1
Mult.: 1

: 250

Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T 1Port SMD Transfrme

749014018
Wurth Elektronik
1,200: $15.04
Non-Stocked

Mfr. Part No.
749014018

Mouser Part No
710-749014018

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T 1Port SMD Transfrme

Learn More

Datasheet

Non-Stocked

Cut Tape

$15.04

Min.: 1,200
Mult.: 300

: 300

Audio Transformers / Signal Transformers 10/100/1000 Base-T SMT Transfmr 1 Port

749020015
Wurth Elektronik
350: $8.57
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
749020015

Mouser Part No
710-749020015

Wurth Elektronik

Audio Transformers / Signal Transformers 10/100/1000 Base-T SMT Transfmr 1 Port

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

$8.57

$8.04

Min.: 350
Mult.: 350

: 350

Audio Transformers / Signal Transformers 10G Base-T SMT Transformer

749023020
Wurth Elektronik
300: $7.55
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
749023020

Mouser Part No
710-749023020

Wurth Elektronik

Audio Transformers / Signal Transformers 10G Base-T SMT Transformer

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

Reel

$7.55

$7.47

Min.: 300
Mult.: 300

: 300

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