Audio Transformers / Signal Transformers

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Part #

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

749024012
Wurth Elektronik
1: $30.36
1,974In Stock

Mfr. Part No.
749024012

Mouser Part No
710-749024012

Wurth Elektronik

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

Learn More

Datasheet

1,974In Stock

Cut Tape

$30.36

$29.26

$29.20

$27.63

Reel

$23.41

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 175

LAN Transformers

SMD/SMT

350 uH

- 40 C

+ 85 C

28.57 mm

12.7 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490100111
Wurth Elektronik
1: $7.37
2,771In Stock

Mfr. Part No.
7490100111

Mouser Part No
710-7490100111

Wurth Elektronik

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

Learn More

Datasheet

2,771In Stock

Cut Tape

$7.37

$7.24

$7.23

$6.71

View

Reel

$4.64

MouseReel Available

Min.: 1
Mult.: 1

Reel: 750

LAN Transformers

LAN

350 uH

- 25 C

+ 105 C

Dual

10/100 Base-T

12.95 mm

7.11 mm

5.33 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749024015C
Wurth Elektronik
1: $16.43
405In 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

405In Stock

Cut Tape

$16.43

$16.40

$16.39

$16.37

Reel

$14.37

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

LAN Transformers

SMD/SMT

350 uH

1.5 kV

- 40 C

+ 85 C

17.6 mm

14.65 mm

8.8 mm

WE-LAN

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T 24pin pitch 1.27mm 1.5k Vrms isolation LP

749020112B
Wurth Elektronik
1: $12.36
838In Stock
1,070Expected 20/2/2026
New Product

Mfr. Part No.
749020112B

Mouser Part No
710-749020112B

New Product

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T 24pin pitch 1.27mm 1.5k Vrms isolation LP

Learn More

Datasheet

838In Stock

1,070Expected 20/2/2026

Cut Tape

$12.36

$11.80

$11.02

$10.55

$10.08

Reel

$9.16

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,320

SMT Transformers

SMD/SMT

350 uH

- 40 C

+ 105 C

17.85 mm

9.55 mm

2.38 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749020111A
Wurth Elektronik
1: $5.49
6,398In Stock

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

6,398In Stock

Cut Tape

$5.49

$5.17

$4.88

$4.68

Reel

$4.50

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

LAN Transformers

SMD/SMT

350 uH

1500 Vrms

0 C

+ 70 C

Single

LAN

16.5 mm

9.7 mm

2.35 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749020023A
Wurth Elektronik
1: $8.30
12,526In Stock

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

12,526In Stock

Cut Tape

$8.30

$6.85

$5.75

$5.24

Reel

$4.77

MouseReel Available

Min.: 1
Mult.: 1

Reel: 800

LAN Transformers

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

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

7490100110A
Wurth Elektronik
1: $5.21
11,053In Stock

Mfr. Part No.
7490100110A

Mouser Part No
710-7490100110A

Wurth Elektronik

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

Learn More

Datasheet

11,053In Stock

Cut Tape

$5.21

$4.81

$4.48

$4.14

Reel

$2.99

MouseReel Available

Min.: 1
Mult.: 1

Reel: 600

LAN Transformers

SMD/SMT

350 uH

1500 Vrms

0 C

+ 70 C

Single

LAN

12.7 mm

9.4 mm

6.35 mm

WE-LAN

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-STST DP83TD510E 4532 350uH 1 Ch Sgl Pair Ether

7490100111A
Wurth Elektronik
1: $5.53
1,329In Stock
6,600On Order

Mfr. Part No.
7490100111A

Mouser Part No
710-7490100111A

Wurth Elektronik

Audio Transformers / Signal Transformers WE-STST DP83TD510E 4532 350uH 1 Ch Sgl Pair Ether

Learn More

Datasheet

1,329In Stock

6,600On Order

Cut Tape

$5.53

$5.14

$4.56

$3.98

Reel

$3.73

MouseReel Available

Min.: 1
Mult.: 1

Reel: 600

LAN Transformers

SMD/SMT

350 uH

1500 Vrms

- 40 C

+ 105 C

Single

LAN

12.7 mm

9.4 mm

6.35 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490100161A
Wurth Elektronik / Midcom
1: $5.37
1,723In Stock

Mfr. Part No.
7490100161A

Mouser Part No
710-7490100161A

Wurth Elektronik / Midcom

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

Learn More

Datasheet

1,723In Stock

Cut Tape

$5.37

$4.98

$4.52

$4.10

Reel

$3.73

$3.39

MouseReel Available

Min.: 1
Mult.: 1

Reel: 600

LAN Transformers

LAN

SMD/SMT

100 kHz to 100 MHz

350 uH

1.5 kVAC

- 40 C

+ 125 C

Single

10/100 Base-T

12.7 mm

9.4 mm

6.35 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749013011A
Wurth Elektronik / Midcom
1: $5.45
3,196In Stock
600Expected 20/2/2026

Mfr. Part No.
749013011A

Mouser Part No
710-749013011A

Wurth Elektronik / Midcom

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

Learn More

Datasheet

3,196In Stock

600Expected 20/2/2026

Cut Tape

$5.45

$5.06

$4.64

$4.31

Reel

$3.39

MouseReel Available

Min.: 1
Mult.: 1

Reel: 600

LAN Transformers

LAN

SMD/SMT

1 MHz to 1 GHz

350 uH

1.5 kVAC

- 40 C

+ 105 C

Single

10/100 Base-T

12.7 mm

9.4 mm

6.35 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490140112
Wurth Elektronik
1: $23.23
150In Stock
146Expected 26/2/2026

Mfr. Part No.
7490140112

Mouser Part No
710-7490140112

Wurth Elektronik

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

Learn More

Datasheet

150In Stock

146Expected 26/2/2026

Cut Tape

$23.23

$22.39

$21.16

$19.90

Reel

$17.92

$16.24

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

LAN Transformers

LAN

SMD/SMT

350 uH

6 kVAC

- 40 C

+ 85 C

Dual

10/100 Base-T

24.55 mm

18.25 mm

10.85 mm

WE-LAN

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 2500Vrm

7490140117C
Wurth Elektronik
1: $8.30
1,280In Stock

Mfr. Part No.
7490140117C

Mouser Part No
710-7490140117C

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 2500Vrm

Learn More

Datasheet

1,280In Stock

Cut Tape

$8.30

$6.85

$5.75

$5.53

Reel

$5.53

MouseReel Available

Min.: 1
Mult.: 1

Reel: 750

LAN Transformers

SMD/SMT

350 uH

2.5 kV

- 40 C

+ 105 C

12.7 mm

8.8 mm

5.7 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749014012
Wurth Elektronik
1: $17.03
677In Stock

Mfr. Part No.
749014012

Mouser Part No
710-749014012

Wurth Elektronik

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

Learn More

Datasheet

677In Stock

Cut Tape

$17.03

$16.43

$15.51

$14.60

Reel

$13.69

$13.23

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

LAN Transformers

LAN

SMD/SMT

500 kHz to 100 MHz

350 uH

4 kVAC

0 C

+ 70 C

Single

10/100/1000 Base-T

24.55 mm x 17 mm x 10.85 mm

24.55 mm

18.25 mm

10.85 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490140122B
Wurth Elektronik
1: $12.73
1,152In Stock

Mfr. Part No.
7490140122B

Mouser Part No
710-7490140122B

Wurth Elektronik

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

Learn More

Datasheet

1,152In Stock

Cut Tape

$12.73

$10.61

$9.65

Reel

$8.77

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

LAN Transformers

SMD/SMT

350 uH

4.5 kV

- 40 C

+ 85 C

17.1 mm

14.75 mm

8.4 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490140141
Wurth Elektronik
1: $8.98
404In 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

Learn More

Datasheet

404In Stock

Cut Tape

$8.98

$8.66

$8.17

$7.70

Reel

$7.21

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

LAN Transformers

LAN Transformer

SMD/SMT

350 uH

- 40 C

+ 85 C

17.1 mm

14.5 mm

8.65 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749020010A
Wurth Elektronik
1: $9.60
1,508In Stock
2,000Expected 20/2/2026

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

1,508In Stock

2,000Expected 20/2/2026

Cut Tape

$9.60

$8.78

$8.13

$7.63

Reel

$7.30

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

LAN Transformers

SMD/SMT

350 uH

1500 Vrms

- 40 C

+ 85 C

Single

LAN

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: $9.60
2,179In Stock

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

2,179In Stock

Cut Tape

$9.60

$8.78

$8.13

$7.63

Reel

$7.30

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

LAN Transformers

SMD/SMT

350 uH

1500 Vrms

- 40 C

+ 85 C

Single

LAN

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: $9.10
1,870In Stock
3,444Expected 20/2/2026

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

1,870In Stock

3,444Expected 20/2/2026

Cut Tape

$9.10

$7.88

$6.96

$6.48

$5.78

Reel

$5.56

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,200

LAN Transformers

SMD/SMT

350 uH

1500 Vrms

- 40 C

+ 105 C

Single

LAN

12.7 mm

9.5 mm

3 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749022011
Wurth Elektronik
1: $8.98
1,359In Stock

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

1,359In Stock

Cut Tape

$8.98

$8.66

$8.17

$7.70

$7.21

Reel

$6.98

MouseReel Available

Min.: 1
Mult.: 1

Reel: 375

LAN Transformers

SMD/SMT

350 uH

- 40 C

+ 85 C

Quad

LAN

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

7490220121
Wurth Elektronik / Midcom
1: $8.98
2,336In 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

Learn More

Datasheet

2,336In Stock

Cut Tape

$8.98

$8.67

$8.15

$7.66

Reel

$7.19

MouseReel Available

Min.: 1
Mult.: 1

Reel: 320

LAN Transformers

LAN

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kVAC

- 40 C

+ 105 C

Quad

10/100/1000 Base-T

18.29 mm

16 mm

7.2 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490220122
Wurth Elektronik
1: $9.69
1,957In Stock
3,770Expected 20/2/2026

Mfr. Part No.
7490220122

Mouser Part No
710-7490220122

Wurth Elektronik

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

Learn More

Datasheet

1,957In Stock

3,770Expected 20/2/2026

Cut Tape

$9.69

$9.35

$8.78

$8.27

Reel

$7.76

MouseReel Available

Min.: 1
Mult.: 1

Reel: 290

LAN Transformers

LAN

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kVAC

- 40 C

+ 105 C

Quad

10/100/1000 Base-T

18.29 mm

16 mm

8.8 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490220123
Wurth Elektronik
1: $8.98
510In Stock
290Expected 20/2/2026

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

510In Stock

290Expected 20/2/2026

Cut Tape

$8.98

$8.67

$8.15

$7.66

Reel

$7.19

MouseReel Available

Min.: 1
Mult.: 1

Reel: 290

LAN Transformers

LAN

SMD/SMT

1 MHz to 100 MHz

180 uH

1.5 kVAC

- 40 C

+ 105 C

Quad

10/100/1000 Base-T

18.29 mm

16 mm

8.8 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: $16.61
308In Stock

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

308In Stock

Cut Tape

$16.61

$13.84

$12.59

$11.44

Reel

$10.40

MouseReel Available

Min.: 1
Mult.: 1

Reel: 240

LAN Transformers

LAN Transformer

SMD/SMT

350 uH

- 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 DP83822 SMT Transfrmr 100BT 1 Port ETR

749013011
Wurth Elektronik
1: $3.41
5,091In Stock

Mfr. Part No.
749013011

Mouser Part No
710-749013011

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN DP83822 SMT Transfrmr 100BT 1 Port ETR

Learn More

Datasheet

5,091In Stock

Cut Tape

$3.41

$3.32

Reel

$2.72

MouseReel Available

Min.: 1
Mult.: 1

Reel: 750

LAN Transformers

LAN

SMD/SMT

350 uH

- 40 C

+ 85 C

Dual

10/100 Base-T

12.95 mm

7.11 mm

5.33 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490240120
Wurth Elektronik
1: $39.02
132In 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

132In Stock

Cut Tape

$39.02

$32.51

$29.63

$29.58

View

Reel

$21.99

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

High Voltager LAN Transformers

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

Customer Service Office

Company

Resources

Support

7.1 mm
7.11 mm
7.5 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
12 mm
12.2 mm
12.7 mm
13.72 mm
14.5 mm
14.65 mm
14.75 mm
15.24 mm
15.34 mm

2.35 mm
2.38 mm
2.4 mm
3 mm
4.25 mm
5.33 mm
5.4 mm
5.6 mm
5.7 mm
6.15 mm
6.35 mm
6.5 mm
6.73 mm
7.2 mm
8.4 mm
8.5 mm
8.65 mm
8.8 mm
10.02 mm
10.85 mm