Audio Transformers / Signal Transformers

.hide-partial { max-height: none; } .show-more { display: none; }

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 43

Applied Filters:

Product

Type

Frequency Range

Inductance

Isolation Voltage

Minimum Operating Temperature

Maximum Operating Temperature

Number of Channels

Application

Package/Case

Length

Width

Height

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

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

749024012
Wurth Elektronik
1: $30.36
1,589In 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

1,589In Stock

Cut Tape

$30.36

$29.26

$29.20

$27.63

Reel

$23.41

View

MouseReel Available

Min.: 1
Mult.: 1

: 175

LAN Transformers

LAN

SMD/SMT

350 uH

4 kVAC

- 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
2,761In 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

2,761In Stock

Cut Tape

$7.37

$7.24

$7.23

$6.71

View

Reel

$4.64

MouseReel Available

Min.: 1
Mult.: 1

: 750

LAN Transformers

LAN

SMD/SMT

350 uH

1.5 kVAC

- 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 SMD Extended 1 Port 10/100 Base-T

749014012
Wurth Elektronik
1: $17.03
667In 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

667In Stock

Cut Tape

$17.03

$16.43

$15.51

$14.03

Reel

$13.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 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 2.5G / 5GB Base-T 1Port ETR

749080010
Wurth Elektronik
1: $17.12
290In Stock
400Expected 19/6/2026

Mfr. Part No.
749080010

Mouser Part No
710-749080010

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 2.5G / 5GB Base-T 1Port ETR

Learn More

Datasheet

290In Stock

400Expected 19/6/2026

Cut Tape

$17.12

$15.72

$14.18

$12.87

Reel

$12.87

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

LAN

SMD/SMT

200 uH

1.5 kV

- 40 C

+ 85 C

13.97 mm

12 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
8,936In Stock
6,000Expected 14/8/2026

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

8,936In Stock

6,000Expected 14/8/2026

Cut Tape

$5.53

$5.14

$4.56

$3.98

Reel

$3.73

MouseReel Available

Min.: 1
Mult.: 1

: 600

LAN Transformers

LAN

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 1000Base-T 350uH 1Port 1500Vrms

749020023A
Wurth Elektronik
1: $8.30
6,013In Stock
19,200Expected 28/8/2026

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

6,013In Stock

19,200Expected 28/8/2026

Cut Tape

$8.30

$6.85

$5.75

$5.24

Reel

$4.77

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

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

749020100A
Wurth Elektronik
1: $9.10
9,205In Stock

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

9,205In Stock

Cut Tape

$9.10

$7.88

$6.96

$6.48

$5.78

Reel

$5.56

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

LAN Transformers

LAN

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 10/100/1000 1Port ETR Base T SMD

7490220122
Wurth Elektronik
1: $9.69
6,306In Stock
2,610Expected 12/6/2026

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

6,306In Stock

2,610Expected 12/6/2026

Cut Tape

$9.69

$9.35

$8.78

$8.27

Reel

$7.76

MouseReel Available

Min.: 1
Mult.: 1

: 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 10/100/1000 Base-T SMT 24P pitch 1.27mm 1.5KVrms isolation. PoE 350mA

749023113C
Wurth Elektronik
1: $11.97
5,370In Stock
7,200On Order

Mfr. Part No.
749023113C

Mouser Part No
710-749023113C

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT 24P pitch 1.27mm 1.5KVrms isolation. PoE 350mA

Learn More

Datasheet

5,370In Stock

7,200On Order

Cut Tape

$11.97

$11.04

$10.90

$9.99

View

Reel

$9.84

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

LAN Transformers

LAN Transformer

SMD/SMT

350 uH

1.5 kV

- 40 C

+ 85 C

16.5 mm

9.6 mm

2.4 mm

WE-LAN

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 2Port 1500Vrms

749020022A
Wurth Elektronik
1: $23.78
374In Stock

Mfr. Part No.
749020022A

Mouser Part No
710-749020022A

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 2Port 1500Vrms

Learn More

Datasheet

374In Stock

Cut Tape

$23.78

$19.64

$16.55

$16.54

Reel

$13.83

MouseReel Available

Min.: 1
Mult.: 1

: 330

LAN Transformers

LAN

SMD/SMT

350 uH

1.5 kV

- 40 C

+ 85 C

27.7 mm

7.5 mm

8.5 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490100110A
Wurth Elektronik
1: $5.21
8,226In 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

8,226In Stock

Cut Tape

$5.21

$4.81

$4.48

$4.14

Reel

$2.99

MouseReel Available

Min.: 1
Mult.: 1

: 600

LAN Transformers

LAN

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-LAN SMT Transfrmr 100BT 1 Port

749010012A
Wurth Elektronik
1: $5.45
979In Stock

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

979In Stock

Cut Tape

$5.45

$4.93

$4.60

$4.25

Reel

$3.06

MouseReel Available

Min.: 1
Mult.: 1

: 600

LAN Transformers

LAN

SMD/SMT

350 uH

1500 Vrms

0 C

+ 70 C

Single

LAN

12.7 mm

9.1 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
1,021In 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

1,021In Stock

Cut Tape

$5.37

$4.98

$4.52

$4.10

Reel

$3.73

$3.39

MouseReel Available

Min.: 1
Mult.: 1

: 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 DP83822 10/100 Base-T 1Port SMD Transfrme

7490120110
Wurth Elektronik / Midcom
1: $7.12
1,533In Stock

Mfr. Part No.
7490120110

Mouser Part No
710-7490120110

Wurth Elektronik / Midcom

Audio Transformers / Signal Transformers WE-LAN DP83822 10/100 Base-T 1Port SMD Transfrme

Learn More

Datasheet

Product Comments

1,533In Stock

Cut Tape

$7.12

$6.59

$5.99

$5.43

Reel

$4.95

$4.49

MouseReel Available

Min.: 1
Mult.: 1

: 650

LAN Transformers

LAN

SMD/SMT

100 kHz to 100 MHz

350 uH

1.5 kVAC

- 40 C

+ 85 C

Single

10/100 Base-T

12.7 mm

9.52 mm

5.6 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
3,569In 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

3,569In Stock

Cut Tape

$3.41

$3.32

Reel

$2.72

MouseReel Available

Min.: 1
Mult.: 1

: 750

LAN Transformers

LAN

SMD/SMT

350 uH

1.5 kVAC

- 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 10/100 Base-T SMD 1 Port Transfrmr

749013011A
Wurth Elektronik / Midcom
1: $5.45
4,640In Stock
2,837On Order

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

4,640In Stock

2,837On Order

Cut Tape

$5.45

$5.06

$4.64

$4.31

Reel

$3.39

MouseReel Available

Min.: 1
Mult.: 1

: 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 1Port SMD Trnsfmr

749014010
Wurth Elektronik
1: $10.83
945In Stock

Mfr. Part No.
749014010

Mouser Part No
710-749014010

Wurth Elektronik

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

Learn More

Datasheet

945In Stock

Cut Tape

$10.83

$10.45

$9.87

$9.29

Reel

$8.70

$8.41

MouseReel Available

Min.: 1
Mult.: 1

: 300

LAN Transformers

LAN

SMD/SMT

1 MHz to 100 MHz

350 uH

4.5 kVAC

0 C

+ 70 C

Quad

10/100 Base-T

17.1 mm x 14.75 mm x 8.4 mm

17.1 mm

15.34 mm

8.4 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
271In Stock

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

271In Stock

Cut Tape

$23.23

$22.39

$21.16

$19.90

Reel

$17.92

$16.24

MouseReel Available

Min.: 1
Mult.: 1

: 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
2,208In 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

2,208In Stock

Cut Tape

$8.30

$6.85

$5.75

$5.53

Reel

$5.53

MouseReel Available

Min.: 1
Mult.: 1

: 750

LAN Transformers

LAN

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 10/100BaseT nonPoE 350uH 4500Vrm

7490140122B
Wurth Elektronik
1: $12.73
817In 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

817In Stock

Cut Tape

$12.73

$10.61

$9.65

Reel

$8.77

MouseReel Available

Min.: 1
Mult.: 1

: 300

LAN Transformers

LAN

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 10/100BaseT nonPoE 350uH 4500Vrm

7490140123B
Wurth Elektronik
1: $16.61
770In Stock

Mfr. Part No.
7490140123B

Mouser Part No
710-7490140123B

Wurth Elektronik

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

Learn More

Datasheet

770In Stock

Cut Tape

$16.61

$13.84

$12.59

Reel

$11.44

MouseReel Available

Min.: 1
Mult.: 1

: 300

LAN Transformers

LAN

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
494In 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

494In Stock

Cut Tape

$8.98

$8.66

$8.17

$7.70

Reel

$7.21

MouseReel Available

Min.: 1
Mult.: 1

: 300

LAN Transformers

LAN Transformer

SMD/SMT

350 uH

4 kVAC

- 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
4,140In 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

4,140In Stock

Cut Tape

$9.60

$8.78

$8.13

$7.63

Reel

$7.30

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

LAN

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
2,728In 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

2,728In Stock

Cut Tape

$9.60

$8.78

$8.13

$7.63

Reel

$7.30

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

LAN

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

749020111A
Wurth Elektronik
1: $5.49
3,071In Stock
3,000On 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

3,071In Stock

3,000On Order

Cut Tape

$5.49

$5.17

$4.88

$4.68

Reel

$4.50

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

LAN Transformers

LAN

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

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