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Transformers

Transformers are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many transformer manufacturers including Bel, Coilcraft, Hammond, ICE Components, Pulse Electronics, Triad Magnetics, Vacuumschmelze, Wurth Elektronik & more. Please view our selection of transformers below.

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Results: 22,207

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Part #

Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz

1812WBT-3LC
Coilcraft
1: $3.30
1,639In Stock
1,800Expected 24/07/2026

Mfr. Part No.
1812WBT-3LC

Mouser Part No
994-1812WBT-3LC

Coilcraft

Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz

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Datasheet

1,639In Stock

1,800Expected 24/07/2026

Cut Tape

$3.30

$2.49

$2.37

$2.22

Reel

$1.97

View

MouseReel Available

Min.: 1
Mult.: 1

: 600

250 mW (1/4 W)

Audio Transformers / Signal Transformers FA2470 Flyback For STMicro STLC3075

FA2470-ALD
Coilcraft
1: $4.22
865In Stock

Mfr. Part No.
FA2470-ALD

Mouser Part No
994-FA2470-ALD

Coilcraft

Audio Transformers / Signal Transformers FA2470 Flyback For STMicro STLC3075

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Datasheet

865In Stock

Cut Tape

$4.22

$3.19

$3.04

$2.85

Reel

$2.52

View

MouseReel Available

Min.: 1
Mult.: 1

: 450

Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72

DA2257-ALD
Coilcraft
1: $5.21
2,040In Stock

Mfr. Part No.
DA2257-ALD

Mouser Part No
994-DA2257-ALD

Coilcraft

Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72

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Datasheet

2,040In Stock

Cut Tape

$5.21

$3.93

$3.75

$3.51

Reel

$3.21

View

MouseReel Available

Min.: 1
Mult.: 1

: 175

Audio Transformers / Signal Transformers FA2469 Flyback For STMicro STLC3075

FA2469-ALD
Coilcraft
1: $4.30
1,521In Stock

Mfr. Part No.
FA2469-ALD

Mouser Part No
994-FA2469-ALD

Coilcraft

Audio Transformers / Signal Transformers FA2469 Flyback For STMicro STLC3075

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Datasheet

1,521In Stock

Cut Tape

$4.30

$3.24

$3.09

$2.89

Reel

$2.56

View

MouseReel Available

Min.: 1
Mult.: 1

: 450

Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T

1000B-5003FX
iNRCORE
1: $66.74
29In Stock

Mfr. Part No.
1000B-5003FX

Mouser Part No
673-1000B-5003FX

iNRCORE

Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T

Datasheet

29In Stock

$66.74

$60.65

$56.83

$56.77

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Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers GA3460 for LT3751 500V 50A

GA3460-BL
Coilcraft
1: $11.09
1,354On Order

Mfr. Part No.
GA3460-BL

Mouser Part No
994-GA3460-BL

Coilcraft

Audio Transformers / Signal Transformers GA3460 for LT3751 500V 50A

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Datasheet

1,354On Order

$11.09

$9.99

$9.58

$9.28

View

Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz

PWB1010LC
Coilcraft
1: $4.32
3,650In Stock
2,750Expected 14/12/2026

Mfr. Part No.
PWB1010LC

Mouser Part No
994-PWB1010LC

Coilcraft

Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz

Datasheet

3,650In Stock

2,750Expected 14/12/2026

Cut Tape

$4.32

$3.26

$3.11

$2.91

Reel

$2.66

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Power Transformers - Board Mount Q4437 Flybck Regltor 12 V, -12 V 1.8 A

Q4437-BL
Coilcraft
1: $8.75
493In Stock
756Expected 21/08/2026

Mfr. Part No.
Q4437-BL

Mouser Part No
994-Q4437-BL

Coilcraft

Power Transformers - Board Mount Q4437 Flybck Regltor 12 V, -12 V 1.8 A

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Datasheet

493In Stock

756Expected 21/08/2026

$8.75

$7.09

$6.80

$6.59

View

Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers PL160 300W 0.0072Ohm Planar Trnsfmr

PL300-100L
Coilcraft
1: $15.34
419In Stock
700Expected 02/10/2026

Mfr. Part No.
PL300-100L

Mouser Part No
994-PL300-100L

Coilcraft

Audio Transformers / Signal Transformers PL160 300W 0.0072Ohm Planar Trnsfmr

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Datasheet

419In Stock

700Expected 02/10/2026

$15.34

$13.82

$13.25

$12.83

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Min.: 1
Mult.: 1

300 W

Audio Transformers / Signal Transformers 120W POE Planar 12V 10A 50uH

POE120PL-12L
Coilcraft
1: $9.62
735In Stock

Mfr. Part No.
POE120PL-12L

Mouser Part No
994-POE120PL-12L

Coilcraft

Audio Transformers / Signal Transformers 120W POE Planar 12V 10A 50uH

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Datasheet

735In Stock

$9.62

$8.14

$7.81

$7.39

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Min.: 1
Mult.: 1

120 W

Current Transformers - Board Mount CST1 1:100 20A 2KuH AEC-Q200

CST1-100LC
Coilcraft
1: $3.45
952In Stock

Mfr. Part No.
CST1-100LC

Mouser Part No
994-CST1-100LC

Coilcraft

Current Transformers - Board Mount CST1 1:100 20A 2KuH AEC-Q200

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Datasheet

952In Stock

Cut Tape

$3.45

$2.82

$2.44

$2.37

Reel

$2.27

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402

FA2805-CLD
Coilcraft
1: $5.18
1,125In Stock
875Expected 21/09/2026

Mfr. Part No.
FA2805-CLD

Mouser Part No
994-FA2805-CLD

Coilcraft

Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402

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Datasheet

1,125In Stock

875Expected 21/09/2026

Cut Tape

$5.18

$3.91

$3.72

$3.49

Reel

$3.19

View

MouseReel Available

Min.: 1
Mult.: 1

: 175

15 W

Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A

POE300F-50LD
Coilcraft
1: $7.48
588In Stock

Mfr. Part No.
POE300F-50LD

Mouser Part No
994-POE300F-50LD

Coilcraft

Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A

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Datasheet

588In Stock

Cut Tape

$7.48

$5.91

Reel

$5.02

$4.86

$4.71

MouseReel Available

Min.: 1
Mult.: 1

: 175

Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz

PWB-4-ALC
Coilcraft
1: $2.99
1,168In Stock

Mfr. Part No.
PWB-4-ALC

Mouser Part No
994-PWB-4-ALC

Coilcraft

Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz

Datasheet

1,168In Stock

Cut Tape

$2.99

$2.26

$2.15

$2.01

Reel

$1.84

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:1 0.400-600 MHz

WBC1-1LC
Coilcraft
1: $4.91
1,661In Stock

Mfr. Part No.
WBC1-1LC

Mouser Part No
994-WBC1-1LC

Coilcraft

Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:1 0.400-600 MHz

Datasheet

1,661In Stock

Cut Tape

$4.91

$3.70

$3.53

$3.30

View

Reel

$2.83

MouseReel Available

Min.: 1
Mult.: 1

: 750

250 mW

Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.500-1000 MHz

WBC4-1WLC
Coilcraft
1: $5.07
780In Stock
750On Order

Mfr. Part No.
WBC4-1WLC

Mouser Part No
994-WBC4-1WLC

Coilcraft

Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.500-1000 MHz

Datasheet

780In Stock

750On Order

Cut Tape

$5.07

$3.83

$3.65

$3.41

View

Reel

$2.93

MouseReel Available

Min.: 1
Mult.: 1

: 750

250 mW

Current Transformers - Industrial 1PH CURR TXFORM-4-20MA OUTPUT

A82-2050
Carlo Gavazzi
1: $207.59
21In Stock

Mfr. Part No.
A82-2050

Mouser Part No
225-A82-2050

Carlo Gavazzi

Current Transformers - Industrial 1PH CURR TXFORM-4-20MA OUTPUT

Datasheet

21In Stock

$207.59

$199.68

Min.: 1
Mult.: 1

Panel

Current Transformers - Board Mount SMD Current Sense 10.4mH 1.9Ohms

PA0368.125NLT
Pulse Electronics
1: $2.17
1,280In Stock

Mfr. Part No.
PA0368.125NLT

Mouser Part No
673-PA0368.125NLT

Pulse Electronics

Current Transformers - Board Mount SMD Current Sense 10.4mH 1.9Ohms

Learn More

Datasheet

1,280In Stock

Cut Tape

$2.17

$1.97

$1.80

$1.74

Reel

$1.31

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,100

Current Transformers - Board Mount SMD Current Sense AEC-Q200 1:50 Xfmr

PA1005.050QNLT
Pulse Electronics
1: $1.95
2,114In Stock

Mfr. Part No.
PA1005.050QNLT

Mouser Part No
673-PA1005.050QNLT

Pulse Electronics

Current Transformers - Board Mount SMD Current Sense AEC-Q200 1:50 Xfmr

Learn More

Datasheet

2,114In Stock

Cut Tape

$1.95

$1.77

$1.63

$1.58

Reel

$1.24

View

MouseReel Available

Min.: 1
Mult.: 1

: 900

Power Transformers - Board Mount SMD HiFreq WireWound 500uH 1.75Ohms

PA1131NLT
Pulse Electronics
1: $3.52
1,180In Stock

Mfr. Part No.
PA1131NLT

Mouser Part No
673-PA1131NLT

Pulse Electronics

Power Transformers - Board Mount SMD HiFreq WireWound 500uH 1.75Ohms

Datasheet

1,180In Stock

Cut Tape

$3.52

$3.18

$2.99

$2.90

Reel

$2.47

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

3 W

Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.2Ohm 1-Por

PE-65415NL
Pulse Electronics
1: $5.98
680In Stock

Mfr. Part No.
PE-65415NL

Mouser Part No
673-PE-65415NL

Pulse Electronics

Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.2Ohm 1-Por

Learn More

Datasheet

680In Stock

$5.98

$4.70

$4.55

$4.54

$2.96

Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1Ohm 1-Port

PE-65771NL
Pulse Electronics
1: $5.54
1,139In Stock

Mfr. Part No.
PE-65771NL

Mouser Part No
673-PE-65771NL

Pulse Electronics

Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1Ohm 1-Port

Datasheet

1,139In Stock

$5.54

$4.76

$4.57

$4.43

View

Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers SMD Digital Audio 2500uH 1-Port

PE-65812NL
Pulse Electronics
1: $3.55
799In Stock

Mfr. Part No.
PE-65812NL

Mouser Part No
673-PE-65812NL

Pulse Electronics

Audio Transformers / Signal Transformers SMD Digital Audio 2500uH 1-Port

Datasheet

799In Stock

$3.55

$3.35

$3.33

$2.87

View

Min.: 1
Mult.: 1

Current Transformers - Board Mount SMD Current Sense 3800uH .38Ohms

PE-68210NLT
Pulse Electronics
1: $3.31
1,388In Stock

Mfr. Part No.
PE-68210NLT

Mouser Part No
673-PE-68210NLT

Pulse Electronics

Current Transformers - Board Mount SMD Current Sense 3800uH .38Ohms

Learn More

Datasheet

1,388In Stock

Cut Tape

$3.31

$3.00

$2.84

$2.75

Reel

$2.23

View

Min.: 1
Mult.: 1

: 300

Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port

PE-68515LNL
Pulse Electronics
1: $7.34
477In Stock

Mfr. Part No.
PE-68515LNL

Mouser Part No
673-PE-68515LNL

Pulse Electronics

Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port

Datasheet

477In Stock

$7.34

$5.62

$5.18

$4.98

View

Min.: 1
Mult.: 1

Transformers

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1 mW
2.5 mW
3 mW
4 mW
5 mW
10 mW
12 mW
20 mW
23 mW
25 mW
32 mW
35 mW
40 mW
50 mW
50 mW (1/20 W)
60 mW
62.5 mW
65 mW
75 mW
90 mW

660 mV
2 V to 5.5 V
2.5 V to 3.5 V
2.65 V
3 V to 24 V
3 V to 3.6 V
3 V to 5.2 V
3 V to 6 V
3.3 V
3.3 VDC
4 V to 8 V
4.5 V to 5.5 V
4.5 VDC to 12 VDC, 12 VDC to 65 VDC
5 V
5 V to 32 V
5 VDC
6 V
6 V to 12.6 V
6 V to 18 V
6 V to 9 V

0 V to 120 V
0 V to 120 V, 0 V to 240 V
0 V to 120/140 V
0 V to 132 V
0 V to 140 V
0 V to 240 V
0 V to 240 V, 0 V to 480 V
0 V to 280 V
0 V to 480 V
0 V to 480 V, 0 to 560 V
0 V/0 V/104 V/110 V/120 V/208 V/220 V/240 V
0 V/0 V/208 V/220 V/240 V/416 V/440 V/480 V
333 mV
- 200 V, 200 V
- 150 V, 150 V
- 17.5 V, 17.5 V
- 15 V, - 7.5 V, 7.5 V, 15 V
- 15 V, 15 V
- 12 V, 12 V
- 12 V, 12 V, 24 V

Base
Board Mount
Bracket
Bracket, Panel Mount
Bracket Mount
Busbar
Cable
Chassis
Chassis, DIN Rail
Chassis Mount
Clamp-on
Desktop
DIN Rail
DIN Rail, Panel
Flange Mount
Floor Mount
Free Hanging
Mounting Foot
Panel
Panel, Wall Mount