Audio Transformers / Signal Transformers

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WE-LAN Transformers

Würth Elektronik WE-LAN Transformers are fully compliant with IEEE standards and designed with a robust internal layout for a long life. These surface-mount devices feature extended temperature ranges up to +125°C and are compatible with industrial Ethernet systems. Würth Elektronik WE-LAN Transformers are ideally suited for applications such as the Internet of Things (IoT), hubs, routers, switches, and IP cameras.

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Part #

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

749020010A
Wurth Elektronik
1: HK$56.88
3,353In Stock

Mfr. Part No.
749020010A

Mouser Part No
710-749020010A

Wurth Elektronik

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

Learn More

Datasheet

3,353In Stock

Cut Tape

HK$56.88

HK$52.03

HK$48.09

HK$45.21

Reel

HK$45.21

HK$43.24

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

LAN

SMD/SMT

350 uH

1500 Vrms

- 40 C

+ 85 C

Single

17.5 mm

15.24 mm

6.5 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749020011A
Wurth Elektronik
1: HK$56.88
539In Stock
4,800On Order

Mfr. Part No.
749020011A

Mouser Part No
710-749020011A

Wurth Elektronik

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

Learn More

Datasheet

539In Stock

4,800On Order

Cut Tape

HK$56.88

HK$52.03

HK$48.09

HK$45.21

Reel

HK$45.21

HK$43.24

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

LAN

SMD/SMT

350 uH

1500 Vrms

- 40 C

+ 85 C

Single

17.5 mm

15.24 mm

6.5 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749020100A
Wurth Elektronik
1: HK$53.92
4,656In Stock
12,000Expected 4/9/2026

Mfr. Part No.
749020100A

Mouser Part No
710-749020100A

Wurth Elektronik

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

Learn More

Datasheet

4,656In Stock

12,000Expected 4/9/2026

Cut Tape

HK$53.92

HK$46.69

HK$41.26

HK$38.39

HK$34.28

Reel

HK$32.96

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

LAN Transformers

LAN

SMD/SMT

350 uH

1500 Vrms

- 40 C

+ 105 C

Single

12.7 mm

9.5 mm

3 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749020111A
Wurth Elektronik
1: HK$32.55
2,488In Stock
10,500On 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

2,488In Stock

10,500On Order

Cut Tape

HK$32.55

HK$30.58

HK$28.93

HK$27.95

Reel

HK$27.78

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

LAN Transformers

LAN

SMD/SMT

350 uH

1500 Vrms

0 C

+ 70 C

Single

16.5 mm

9.7 mm

2.35 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749020310
Wurth Elektronik
1: HK$57.54
1,971In Stock
5,600On Order

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

Learn More

Datasheet

1,971In Stock

5,600On Order

Cut Tape

HK$57.54

HK$50.47

HK$46.03

Reel

HK$41.02

HK$37.98

HK$33.29

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

LAN

SMD/SMT

500 kHz to 100 MHz

350 uH

1.501 kVAC

- 40 C

+ 85 C

Single

17.53 mm x 14.6 mm x 4.5 mm

17.53 mm

16.51 mm

4.5 mm

WE-LANAQ

Reel, Cut Tape, MouseReel

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

749022011
Wurth Elektronik
1: HK$53.18
732In Stock
1,500Expected 4/9/2026

Mfr. Part No.
749022011

Mouser Part No
710-749022011

Wurth Elektronik

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

Learn More

Datasheet

732In Stock

1,500Expected 4/9/2026

Cut Tape

HK$53.18

HK$51.29

HK$48.42

HK$45.54

HK$42.91

Reel

HK$41.35

MouseReel Available

Min.: 1
Mult.: 1

: 375

LAN Transformers

LAN

SMD/SMT

350 uH

1.5 kVAC

- 40 C

+ 85 C

Quad

18.3 mm

12.2 mm

6.35 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490220115
Wurth Elektronik
1: HK$109.41
613In Stock
800Expected 4/9/2026

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

613In Stock

800Expected 4/9/2026

Cut Tape

HK$109.41

HK$90.50

HK$76.86

HK$75.38

Reel

HK$75.38

HK$73.82

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

LAN

SMD/SMT

350 uH

1.5 kV

- 40 C

+ 85 C

18.3 mm

12.2 mm

6.35 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490220120
Wurth Elektronik
1: HK$48.91
667In Stock
2,000On Order

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

667In Stock

2,000On Order

Cut Tape

HK$48.91

HK$47.18

HK$44.31

HK$41.68

Reel

HK$39.13

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

LAN

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kVAC

- 40 C

+ 105 C

Quad

18.29 mm

16 mm

6.15 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490220121
Wurth Elektronik / Midcom
1: HK$53.18
920In Stock
1,280Expected 4/9/2026

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

Learn More

Datasheet

920In Stock

1,280Expected 4/9/2026

Cut Tape

HK$53.18

HK$51.38

HK$48.25

HK$45.37

Reel

HK$42.58

MouseReel Available

Min.: 1
Mult.: 1

: 320

LAN Transformers

LAN

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kVAC

- 40 C

+ 105 C

Quad

18.29 mm

16 mm

7.2 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490220123
Wurth Elektronik
1: HK$53.18
1,811In Stock
1,740Expected 4/9/2026

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

1,811In Stock

1,740Expected 4/9/2026

Cut Tape

HK$53.18

HK$51.38

HK$48.25

HK$45.37

Reel

HK$42.58

MouseReel Available

Min.: 1
Mult.: 1

: 290

LAN Transformers

LAN

SMD/SMT

1 MHz to 100 MHz

180 uH

1.5 kVAC

- 40 C

+ 105 C

Quad

18.29 mm

16 mm

8.8 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749023310
Wurth Elektronik
1: HK$43.40
752In Stock
800Expected 4/9/2026

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 4/9/2026

Cut Tape

HK$43.40

HK$39.95

HK$35.51

HK$32.63

HK$29.59

Reel

HK$26.63

MouseReel Available

Min.: 1
Mult.: 1

: 800

LAN Transformers

LAN

SMD/SMT

180 uH

1.5 kV

- 40 C

+ 85 C

16.5 mm

10.3 mm

4.1 mm

WE-LANAQ

Reel, Cut Tape, MouseReel

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

7490240140
Wurth Elektronik
1: HK$98.23
224In 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

224In Stock

Cut Tape

HK$98.23

HK$81.95

HK$76.04

HK$69.05

Reel

HK$65.18

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

LAN Transformers

LAN Transformer

SMD/SMT

350 uH

4 kVAC

- 40 C

+ 85 C

28.32 mm

12.7 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749024015C
Wurth Elektronik
1: HK$140.64
360In 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

360In Stock

Cut Tape

HK$140.64

HK$131.52

HK$125.77

HK$124.78

Reel

HK$99.79

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

LAN

SMD/SMT

350 uH

1.5 kV

- 40 C

+ 105 C

17.6 mm

14.65 mm

8.8 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749052050
Wurth Elektronik
1: HK$129.22
408In Stock
1,450On Order

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

408In Stock

1,450On Order

Cut Tape

HK$129.22

HK$108.01

HK$93.54

HK$86.56

Reel

HK$84.83

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 290

LAN Transformers

Module

SMD/SMT

100 kHz to 500 MHz

180 uH

1.5 kVAC

0 C

+ 70 C

Single

18.29 mm

16 mm

8.8 mm

WE-LAN 10G

Reel, Cut Tape, MouseReel

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: HK$126.18
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

Learn More

Datasheet

865In Stock

Cut Tape

HK$126.18

HK$115.90

HK$104.56

Reel

HK$86.80

MouseReel Available

Min.: 1
Mult.: 1

: 290

LAN Transformers

LAN Transformer

SMD/SMT

350 uH

1.5 kV

- 40 C

+ 85 C

18.29 mm

16 mm

8.8 mm

WE-LAN

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 100BT 1 Port

749010012A
Wurth Elektronik
1: HK$32.30
743In Stock
600Expected 4/9/2026

Mfr. Part No.
749010012A

Mouser Part No
710-749010012A

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 100BT 1 Port

Learn More

Datasheet

743In Stock

600Expected 4/9/2026

Cut Tape

HK$32.30

HK$29.26

HK$27.21

HK$25.24

Reel

HK$18.17

MouseReel Available

Min.: 1
Mult.: 1

: 600

LAN Transformers

LAN

SMD/SMT

350 uH

1500 Vrms

0 C

+ 70 C

Single

12.7 mm

9.1 mm

6.35 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749022310
Wurth Elektronik
1: HK$43.40
301In Stock
800Expected 4/9/2026

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

301In Stock

800Expected 4/9/2026

Cut Tape

HK$43.40

HK$39.95

HK$35.51

HK$32.63

HK$30.99

Reel

HK$26.63

MouseReel Available

Min.: 1
Mult.: 1

: 800

LAN Transformers

LAN

SMD/SMT

150 uH

1.5 kV

- 40 C

+ 85 C

16.5 mm

10.3 mm

4.1 mm

WE-LANAQ

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 1Port 4kVrms

7490240120
Wurth Elektronik
1: HK$230.74
63In Stock

Mfr. Part No.
7490240120

Mouser Part No
710-7490240120

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 1Port 4kVrms

Learn More

Datasheet

63In Stock

Cut Tape

HK$230.74

HK$196.13

HK$192.27

HK$178.37

HK$158.89

Reel

HK$144.51

MouseReel Available

Min.: 1
Mult.: 1

: 200

High Voltager LAN Transformers

LAN

SMD/SMT

350 uH

4 kV

- 40 C

+ 105 C

28.57 mm

12.7 mm

15.49 mm

WE-LAN

Reel, Cut Tape, MouseReel

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: HK$100.20
75In Stock
960On Order

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

75In Stock

960On Order

Cut Tape

HK$100.20

HK$83.60

HK$76.04

HK$67.65

Reel

HK$61.57

MouseReel Available

Min.: 1
Mult.: 1

: 240

LAN Transformers

LAN Transformer

SMD/SMT

350 uH

4 kVAC

- 40 C

+ 85 C

18.25 mm

15.24 mm

10.02 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749050010A
Wurth Elektronik
1: HK$89.10
75In Stock
800On Order

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

75In Stock

800On Order

Cut Tape

HK$89.10

HK$87.63

HK$81.38

HK$75.13

Reel

HK$75.13

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

Module

SMD/SMT

200 uH

1.5 kVAC

0 C

+ 70 C

WE-LAN 10G

Reel, Cut Tape, MouseReel

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

749050017
Wurth Elektronik
1: HK$108.01
150In Stock
450Expected 4/9/2026

Mfr. Part No.
749050017

Mouser Part No
710-749050017

Wurth Elektronik

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

Learn More

Datasheet

150In Stock

450Expected 4/9/2026

Cut Tape

HK$108.01

HK$89.68

HK$77.93

HK$70.36

Reel

HK$70.36

MouseReel Available

Min.: 1
Mult.: 1

: 450

LAN Transformers

LAN

SMD/SMT

100 kHz to 500 MHz

120 uH

1.5 kVAC

- 40 C

+ 85 C

1 Channel

13.97 mm

15.11 mm

6.6 mm

WE-LAN 10G

Reel, Cut Tape, MouseReel

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

749050018
Wurth Elektronik
1: HK$108.01
89In Stock
450Expected 4/9/2026

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

89In Stock

450Expected 4/9/2026

Cut Tape

HK$108.01

HK$89.68

HK$77.93

HK$70.36

Reel

HK$70.36

MouseReel Available

Min.: 1
Mult.: 1

: 450

LAN Transformers

Module

SMD/SMT

100 kHz to 500 MHz

120 uH

1.5 kVAC

- 40 C

+ 85 C

Single

13.97 mm

15.11 mm

6.6 mm

WE-LAN 10G

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-LAN DP83822 10/100 Base-T SMT Tr ansformer 1 Port

74930000
Wurth Elektronik
1: HK$10.93
123In Stock
82,000On Order

Mfr. Part No.
74930000

Mouser Part No
710-74930000

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN DP83822 10/100 Base-T SMT Tr ansformer 1 Port

Learn More

Datasheet

123In Stock

82,000On Order

Cut Tape

HK$10.93

HK$10.85

Reel

HK$10.52

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Signal Transformers

LAN

SMD/SMT

350 uH

- 40 C

+ 105 C

Single

4.7 mm

3.22 mm

2.9 mm

WE-STST

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-STST ADIN1110 4532 350uH PoE

74930030
Wurth Elektronik
1: HK$17.84
693In Stock
14,000On Order

Mfr. Part No.
74930030

Mouser Part No
710-74930030

Wurth Elektronik

Audio Transformers / Signal Transformers WE-STST ADIN1110 4532 350uH PoE

Learn More

Datasheet

693In Stock

14,000On Order

Cut Tape

HK$17.84

HK$14.71

HK$12.74

HK$12.66

Reel

HK$12.33

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PoE Transformers

LAN

SMD/SMT

350 uH

1.5 kV

- 40 C

+ 105 C

Single

1812 (4532 metric)

4.7 mm

3.22 mm

2.9 mm

WE-STST

Reel, Cut Tape, MouseReel

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

749020023A
Wurth Elektronik
1: HK$49.07
57,796On Order

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

57,796On Order

Cut Tape

HK$49.07

HK$40.61

HK$34.11

HK$31.07

Reel

HK$28.28

MouseReel Available

Min.: 1
Mult.: 1

: 800

LAN Transformers

LAN

SMD/SMT

350 uH

1.5 kV

- 40 C

+ 85 C

15.1 mm

7.1 mm

4.25 mm

WE-LAN

Reel, Cut Tape, MouseReel

WE-LAN Transformers

Customer Service Office

Company

Resources

Support

4.7 mm
12.7 mm
12.95 mm
13.97 mm
15.1 mm
16.5 mm
17.1 mm
17.5 mm
17.53 mm
17.6 mm
17.73 mm
17.85 mm
18.01 mm
18.25 mm
18.29 mm
18.3 mm
24.55 mm
27.7 mm
28.32 mm
28.57 mm

3.22 mm
7.1 mm
7.11 mm
7.5 mm
8.67 mm
8.8 mm
9.1 mm
9.4 mm
9.5 mm
9.52 mm
9.55 mm
9.6 mm
9.7 mm
10.3 mm
12 mm
12.2 mm
12.7 mm
13.5 mm
13.72 mm
14.5 mm

2.35 mm
2.38 mm
2.4 mm
2.9 mm
3 mm
4 mm
4.1 mm
4.25 mm
4.5 mm
5.33 mm
5.4 mm
5.6 mm
5.7 mm
6.15 mm
6.35 mm
6.5 mm
6.6 mm
6.73 mm
7.2 mm
7.24 mm