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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 10/100BaseT nonPoE 350uH 4500Vrm

7490140123B
Wurth Elektronik
1: £8.97
701In Stock

Mfr. Part No.
7490140123B

Mouser Part No
710-7490140123B

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 4500Vrm

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Datasheet

701In Stock

Cut Tape

£8.97

£7.48

£6.80

£6.52

Reel

£6.19

£6.18

MouseReel Available

Min.: 1
Mult.: 1

: 300

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

749020010A
Wurth Elektronik
1: £5.19
3,465In 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

3,465In Stock

Cut Tape

£5.19

£4.75

£4.39

£4.12

Reel

£3.91

£3.75

MouseReel Available

Min.: 1
Mult.: 1

: 400

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

749020011A
Wurth Elektronik
1: £5.19
1,251In Stock
4,000On Order

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

1,251In Stock

4,000On Order

Cut Tape

£5.19

£4.75

£4.39

£4.12

Reel

£3.91

£3.75

MouseReel Available

Min.: 1
Mult.: 1

: 400

Audio Transformers / Signal Transformers WE-LAN Transformer 1000BT 1/2 Port ETR

749020100A
Wurth Elektronik
1: £4.92
4,177In Stock
11,944Expected 22/10/2026

Mfr. Part No.
749020100A

Mouser Part No
710-749020100A

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN Transformer 1000BT 1/2 Port ETR

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Datasheet

4,177In Stock

11,944Expected 22/10/2026

Cut Tape

£4.92

£4.26

£3.76

£3.50

£3.13

Reel

£2.85

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

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

749020111A
Wurth Elektronik
1: £2.98
3,828In Stock
8,619On Order

Mfr. Part No.
749020111A

Mouser Part No
710-749020111A

Wurth Elektronik

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

Learn More

Datasheet

3,828In Stock

8,619On Order

Cut Tape

£2.98

£2.79

£2.64

£2.57

Reel

£2.44

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

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

749022011
Wurth Elektronik
1: £4.85
671In Stock
1,375Expected 15/10/2026

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

671In Stock

1,375Expected 15/10/2026

Cut Tape

£4.85

£4.68

£4.42

£3.93

Reel

£3.73

MouseReel Available

Min.: 1
Mult.: 1

: 375

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

7490220115
Wurth Elektronik
1: £10.00
933In Stock
800Expected 02/10/2026

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

933In Stock

800Expected 02/10/2026

Cut Tape

£10.00

£8.26

£7.11

Reel

£6.74

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: £4.46
2,048In Stock
1,600Expected 02/10/2026

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

2,048In Stock

1,600Expected 02/10/2026

Cut Tape

£4.46

£4.30

£4.04

£3.81

Reel

£3.41

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: £4.85
865In Stock
1,280On Order

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

865In Stock

1,280On Order

Cut Tape

£4.85

£4.69

£4.40

£4.14

Reel

£3.68

MouseReel Available

Min.: 1
Mult.: 1

: 320

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

7490220123
Wurth Elektronik
1: £4.85
1,187In Stock
1,740Expected 02/10/2026

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

1,187In Stock

1,740Expected 02/10/2026

Cut Tape

£4.85

£4.69

£4.40

£4.14

Reel

£3.68

MouseReel Available

Min.: 1
Mult.: 1

: 290

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

749023310
Wurth Elektronik
1: £3.96
752In Stock
800Expected 15/10/2026

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

752In Stock

800Expected 15/10/2026

Cut Tape

£3.96

£3.65

£3.25

£2.98

Reel

£2.30

MouseReel Available

Min.: 1
Mult.: 1

: 800

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

7490240140
Wurth Elektronik
1: £8.97
218In Stock

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

218In Stock

Cut Tape

£8.97

£7.48

£6.80

£6.18

Reel

£5.83

MouseReel Available

Min.: 1
Mult.: 1

: 200

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

749050010A
Wurth Elektronik
1: £6.07
425In Stock
400Expected 02/10/2026

Mfr. Part No.
749050010A

Mouser Part No
710-749050010A

Wurth Elektronik

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

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Datasheet

425In Stock

400Expected 02/10/2026

Cut Tape

£6.07

£5.47

£5.25

£5.09

Reel

£4.37

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

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

749052050
Wurth Elektronik
1: £11.79
902In Stock
870Expected 06/11/2026

Mfr. Part No.
749052050

Mouser Part No
710-749052050

Wurth Elektronik

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

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Datasheet

902In Stock

870Expected 06/11/2026

Cut Tape

£11.79

£9.86

£8.54

£7.75

Reel

£7.36

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: £11.52
865In 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

865In Stock

Cut Tape

£11.52

£10.58

£9.54

£8.66

Reel

£7.53

MouseReel Available

Min.: 1
Mult.: 1

: 290

Modular Connectors / Ethernet Connectors WE-RJ45LAN Integrated Transformer

74980101200
Wurth Elektronik
1: £5.12
903In Stock

Mfr. Part No.
74980101200

Mouser Part No
710-74980101200

Wurth Elektronik

Modular Connectors / Ethernet Connectors WE-RJ45LAN Integrated Transformer

Learn More

Datasheet

903In Stock

Cut Tape

£5.12

£4.71

£4.30

Reel

£3.88

MouseReel Available

Min.: 1
Mult.: 1

: 100

Modular Connectors / Ethernet Connectors WE-RJ45 Intgtd XFMR 10/100Base-T

74980104400
Wurth Elektronik
1: £4.65
1,094In Stock

Mfr. Part No.
74980104400

Mouser Part No
710-74980104400

Wurth Elektronik

Modular Connectors / Ethernet Connectors WE-RJ45 Intgtd XFMR 10/100Base-T

Learn More

Datasheet

1,094In Stock

Cut Tape

£4.65

£4.16

£3.82

£3.40

Reel

£2.99

MouseReel Available

Min.: 1
Mult.: 1

: 110

Modular Connectors / Ethernet Connectors WE-RJ45LAN Integrated Transformer

74981102100
Wurth Elektronik
1: £6.51
2,191In Stock

Mfr. Part No.
74981102100

Mouser Part No
710-74981102100

Wurth Elektronik

Modular Connectors / Ethernet Connectors WE-RJ45LAN Integrated Transformer

Learn More

Datasheet

2,191In Stock

Cut Tape

£6.51

£6.00

£5.48

Reel

£4.95

MouseReel Available

Min.: 1
Mult.: 1

: 100

Modular Connectors / Ethernet Connectors WE-RJ45 Intgtd XFMR 10/100Base-T

74981104400
Wurth Elektronik
1: £6.08
564In Stock
660Expected 19/10/2026

Mfr. Part No.
74981104400

Mouser Part No
710-74981104400

Wurth Elektronik

Modular Connectors / Ethernet Connectors WE-RJ45 Intgtd XFMR 10/100Base-T

Learn More

Datasheet

564In Stock

660Expected 19/10/2026

Cut Tape

£6.08

£5.44

£5.00

£4.45

Reel

£3.91

MouseReel Available

Min.: 1
Mult.: 1

: 110

Modular Connectors / Ethernet Connectors WE-RJ45LAN Integrated Transformer

7498111001A
Wurth Elektronik
1: £8.39
1,274In Stock
80Expected 30/10/2026

Mfr. Part No.
7498111001A

Mouser Part No
710-7498111001A

Wurth Elektronik

Modular Connectors / Ethernet Connectors WE-RJ45LAN Integrated Transformer

Learn More

Datasheet

1,274In Stock

80Expected 30/10/2026

£8.39

£7.64

£7.25

£6.91

£6.48

Min.: 1
Mult.: 1

Modular Connectors / Ethernet Connectors WE-RJ45 Intgtd XFMR 1x1 SMD Tab Up EMI

7498111120R
Wurth Elektronik
1: £9.70
214In Stock

Mfr. Part No.
7498111120R

Mouser Part No
710-7498111120R

Wurth Elektronik

Modular Connectors / Ethernet Connectors WE-RJ45 Intgtd XFMR 1x1 SMD Tab Up EMI

Learn More

Datasheet

214In Stock

Cut Tape

£9.70

£9.53

£8.85

Reel

£8.17

£7.49

£6.81

MouseReel Available

Min.: 1
Mult.: 1

: 100

Modular Connectors / Ethernet Connectors WE-RJ45 Int XFMR SMD 1x1 PoE Tab up ETR

7498210220A
Wurth Elektronik
1: £7.81
306In Stock
99Expected 12/10/2026

Mfr. Part No.
7498210220A

Mouser Part No
710-7498210220A

Wurth Elektronik

Modular Connectors / Ethernet Connectors WE-RJ45 Int XFMR SMD 1x1 PoE Tab up ETR

Learn More

Datasheet

306In Stock

99Expected 12/10/2026

£7.81

£7.80

£6.95

£5.92

£5.66

Min.: 1
Mult.: 1

Modular Connectors / Ethernet Connectors WE-RJ45 Intgtd XFMR 10/100Base-T PoE

74984104400
Wurth Elektronik
1: £5.50
419In Stock
330Expected 02/10/2026

Mfr. Part No.
74984104400

Mouser Part No
710-74984104400

Wurth Elektronik

Modular Connectors / Ethernet Connectors WE-RJ45 Intgtd XFMR 10/100Base-T PoE

Learn More

Datasheet

419In Stock

330Expected 02/10/2026

Cut Tape

£5.50

£4.91

£4.52

£4.03

Reel

£3.54

MouseReel Available

Min.: 1
Mult.: 1

: 110

Modular Connectors / Ethernet Connectors WE-RJ45 LAN Through Hole Reflow

74984104401
Wurth Elektronik
1: £6.86
551In Stock

Mfr. Part No.
74984104401

Mouser Part No
710-74984104401

Wurth Elektronik

Modular Connectors / Ethernet Connectors WE-RJ45 LAN Through Hole Reflow

Learn More

Datasheet

551In Stock

Cut Tape

£6.86

£6.31

£5.76

Reel

£5.21

MouseReel Available

Min.: 1
Mult.: 1

: 100

Modular Connectors / Ethernet Connectors WE-RJ45LAN Integrated Transformer

7499010122
Wurth Elektronik
1: £5.58
741In Stock

Mfr. Part No.
7499010122

Mouser Part No
710-7499010122

Wurth Elektronik

Modular Connectors / Ethernet Connectors WE-RJ45LAN Integrated Transformer

Learn More

Datasheet

741In Stock

£5.58

£4.64

£4.38

£4.13

£3.87

Min.: 1
Mult.: 1

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