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: 56

Applied Filters:

Product

Type

Frequency Range

Inductance

Isolation Voltage

Minimum Operating Temperature

Maximum Operating Temperature

Number of Channels

Package / Case

Length

Width

Height

Series

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: $22.969
1.562In Stock

Mfr. Part #
749024012

Mouser Part #
710-749024012

Wurth Elektronik

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

Learn More

Datasheet

1.562In Stock

Cut Tape

$22.969

$22.149

$20.918

Reel

$18.699

$17.532

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 WE-LAN 1KBsT nonPoE 350uH 2Port 1500Vrms

749020022A
Wurth Elektronik
1: $17.994
364In Stock

Mfr. Part #
749020022A

Mouser Part #
710-749020022A

Wurth Elektronik

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

Learn More

Datasheet

364In Stock

Cut Tape

$17.994

$14.860

$12.810

Reel

$12.147

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 10/100 Base-T SMT Transformer 1 Port

7490100111
Wurth Elektronik
1: $5.574
2.654In Stock

Mfr. Part #
7490100111

Mouser Part #
710-7490100111

Wurth Elektronik

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

Learn More

Datasheet

2.654In Stock

Cut Tape

$5.574

$5.469

$5.080

$4.691

Reel

$3.712

MouseReel Available

Min.: 1
Mult.: 1

: 750

LAN Transformers

LAN

SMD/SMT

350 uH

1.5 kVAC

- 25 C

+ 105 C

Dual

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: $16.480
360In Stock

Mfr. Part #
749024015C

Mouser Part #
710-749024015C

Wurth Elektronik

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

Learn More

Datasheet

360In Stock

Cut Tape

$16.480

$16.175

$15.807

$15.744

View

Reel

$12.894

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 10/100BaseT nonPoE 350uH 4500Vrm

7490140123B
Wurth Elektronik
1: $12.568
764In Stock

Mfr. Part #
7490140123B

Mouser Part #
710-7490140123B

Wurth Elektronik

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

Learn More

Datasheet

764In Stock

Cut Tape

$12.568

$10.475

$9.528

$9.139

Reel

$8.666

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 10/100/1000 Base-T 24pin pitch 1.27mm 1.5k Vrms isolation LP

749020112B
Wurth Elektronik
1: $9.350
3.757In Stock
7.920Expected 9/25/2026
New At Mouser

Mfr. Part #
749020112B

Mouser Part #
710-749020112B

New At Mouser

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

3.757In Stock

7.920Expected 9/25/2026

Cut Tape

$9.350

$8.929

$8.340

$7.982

$7.625

Reel

$6.584

MouseReel Available

Min.: 1
Mult.: 1

: 1.320

SMT Transformers

LAN

SMD/SMT

350 uH

1.5 kVAC

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

749080010
Wurth Elektronik
1: $12.957
590In Stock

Mfr. Part #
749080010

Mouser Part #
710-749080010

Wurth Elektronik

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

Learn More

Datasheet

590In Stock

Cut Tape

$12.957

$11.895

$10.727

$9.739

Reel

$8.456

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-LAN 10/100 Base-T SMD 1 Port Transfrmr

749013011A
Wurth Elektronik / Midcom
1: $4.133
6.528In Stock

Mfr. Part #
749013011A

Mouser Part #
710-749013011A

Wurth Elektronik / Midcom

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

Learn More

Datasheet

6.528In Stock

Cut Tape

$4.133

$3.828

$3.513

$3.260

Reel

$2.440

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

12.7 mm

9.4 mm

6.35 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: $7.341
6.985In Stock

Mfr. Part #
7490220122

Mouser Part #
710-7490220122

Wurth Elektronik

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

Learn More

Datasheet

6.985In Stock

Cut Tape

$7.341

$7.078

$6.647

$6.258

Reel

$5.574

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

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: $8.761
12.293In Stock

Mfr. Part #
749023113C

Mouser Part #
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

12.293In Stock

Cut Tape

$8.761

$8.045

$7.257

$6.584

Reel

$5.721

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 DP83822 SMT Transfrmr 100BT 1 Port ETR

749013011
Wurth Elektronik
1: $2.577
717In Stock
3.450On Order

Mfr. Part #
749013011

Mouser Part #
710-749013011

Wurth Elektronik

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

Learn More

Datasheet

717In Stock

3.450On Order

Cut Tape

$2.577

$2.514

Reel

$2.061

MouseReel Available

Min.: 1
Mult.: 1

: 750

LAN Transformers

LAN

SMD/SMT

350 uH

1.5 kVAC

- 40 C

+ 85 C

Dual

12.95 mm

7.11 mm

5.33 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

7490100110A
Wurth Elektronik
1: $3.944
6.963In Stock
5.400Expected 9/18/2026

Mfr. Part #
7490100110A

Mouser Part #
710-7490100110A

Wurth Elektronik

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

Learn More

Datasheet

6.963In Stock

5.400Expected 9/18/2026

Cut Tape

$3.944

$3.639

$3.386

$3.134

Reel

$2.145

MouseReel Available

Min.: 1
Mult.: 1

: 600

LAN Transformers

LAN

SMD/SMT

350 uH

1500 Vrms

0 C

+ 70 C

Single

12.7 mm

9.4 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: $4.196
6.255In Stock
7.200Expected 10/2/2026

Mfr. Part #
7490100111A

Mouser Part #
710-7490100111A

Wurth Elektronik

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

Learn More

Datasheet

6.255In Stock

7.200Expected 10/2/2026

Cut Tape

$4.196

$3.891

$3.450

$3.008

Reel

$2.682

MouseReel Available

Min.: 1
Mult.: 1

: 600

LAN Transformers

LAN

SMD/SMT

350 uH

1500 Vrms

- 40 C

+ 105 C

Single

12.7 mm

9.4 mm

6.35 mm

WE-LAN

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-LAN 10/100 Base-TX SMT Transformer 1 Port

7490100111B
Wurth Elektronik
1: $4.123
1.724In Stock

Mfr. Part #
7490100111B

Mouser Part #
710-7490100111B

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10/100 Base-TX SMT Transformer 1 Port

Learn More

Datasheet

1.724In Stock

Cut Tape

$4.123

$3.734

$3.481

$3.218

Reel

$2.198

MouseReel Available

Min.: 1
Mult.: 1

: 650

LAN Transformers

LAN

SMD/SMT

350 uH

1.5 kVAC

WE-LAN

Reel, Cut Tape, MouseReel

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

7490100161A
Wurth Elektronik / Midcom
1: $3.723
968In Stock

Mfr. Part #
7490100161A

Mouser Part #
710-7490100161A

Wurth Elektronik / Midcom

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

Learn More

Datasheet

968In Stock

Cut Tape

$3.723

$3.355

$3.229

$3.124

Reel

$2.787

View

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

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: $5.385
2.361In Stock

Mfr. Part #
7490120110

Mouser Part #
710-7490120110

Wurth Elektronik / Midcom

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

Learn More

Datasheet

2.361In Stock

Cut Tape

$5.385

$4.985

$4.533

$4.112

Reel

$3.555

$3.229

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

12.7 mm

9.52 mm

5.6 mm

WE-LAN

Reel, Cut Tape, MouseReel

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

749014010
Wurth Elektronik
1: $8.193
915In Stock

Mfr. Part #
749014010

Mouser Part #
710-749014010

Wurth Elektronik

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

Learn More

Datasheet

915In Stock

Cut Tape

$8.193

$7.909

$7.467

$7.025

Reel

$6.584

$6.363

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

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: $17.574
196Expected 9/17/2026

Mfr. Part #
7490140112

Mouser Part #
710-7490140112

Wurth Elektronik

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

Learn More

Datasheet

196Expected 9/17/2026

Cut Tape

$17.574

$16.943

$16.007

$15.060

Reel

$13.556

$12.284

MouseReel Available

Min.: 1
Mult.: 1

: 200

LAN Transformers

LAN

SMD/SMT

350 uH

6 kVAC

- 40 C

+ 85 C

Dual

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: $6.279
1.384In Stock

Mfr. Part #
7490140117C

Mouser Part #
710-7490140117C

Wurth Elektronik

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

Learn More

Datasheet

1.384In Stock

Cut Tape

$6.279

$5.185

$4.480

Reel

$4.238

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 SMD Extended 1 Port 10/100 Base-T

749014012
Wurth Elektronik
1: $12.873
363In Stock

Mfr. Part #
749014012

Mouser Part #
710-749014012

Wurth Elektronik

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

Learn More

Datasheet

363In Stock

Cut Tape

$12.873

$12.431

$11.726

$10.506

Reel

$9.833

$9.507

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

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: $9.644
765In Stock

Mfr. Part #
7490140122B

Mouser Part #
710-7490140122B

Wurth Elektronik

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

Learn More

Datasheet

765In Stock

Cut Tape

$9.644

$8.024

$7.299

$6.636

Reel

$6.005

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: $6.794
408In Stock
600Expected 12/11/2026

Mfr. Part #
7490140141

Mouser Part #
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

408In Stock

600Expected 12/11/2026

Cut Tape

$6.794

$6.552

$6.184

$5.826

Reel

$5.206

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: $7.278
3.775In Stock

Mfr. Part #
749020010A

Mouser Part #
710-749020010A

Wurth Elektronik

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

Learn More

Datasheet

3.775In Stock

Cut Tape

$7.278

$6.647

$6.152

$5.774

Reel

$5.479

$5.248

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: $7.278
511In Stock
4.800On Order

Mfr. Part #
749020011A

Mouser Part #
710-749020011A

Wurth Elektronik

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

Learn More

Datasheet

511In Stock

4.800On Order

Cut Tape

$7.278

$6.647

$6.152

$5.774

Reel

$5.479

$5.248

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: $6.899
4.330In Stock
12.000Expected 9/18/2026

Mfr. Part #
749020100A

Mouser Part #
710-749020100A

Wurth Elektronik

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

Learn More

Datasheet

4.330In Stock

12.000Expected 9/18/2026

Cut Tape

$6.899

$5.963

$5.269

$4.901

$4.375

Reel

$3.996

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

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
13.5 mm
13.72 mm
14.5 mm
14.65 mm
14.7 mm
14.75 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
6.6 mm
6.73 mm
7.2 mm
7.24 mm
8.4 mm
8.5 mm
8.65 mm
8.8 mm