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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: 22,343

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Part #

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

Q4437-BL
Coilcraft
1: $11.58
499In Stock
756Expected 6/7/2026

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

499In Stock

756Expected 6/7/2026

$11.58

$9.38

$9.01

$8.73

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Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers

T-1485SCTNL
iNRCORE
1: $105.90
21In Stock

Mfr. Part No.
T-1485SCTNL

Mouser Part No
673-T-1485SCTNL

iNRCORE

Audio Transformers / Signal Transformers

Datasheet

21In Stock

$105.90

$95.17

$93.16

$83.90

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Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers 10/100BASE-TX SMD Ultra POE+ 1-Port

TG110-HPE7N5LF
HALO Electronics
1: $11.19
696In Stock

Mfr. Part No.
TG110-HPE7N5LF

Mouser Part No
493-TG110-HPE7N5LF

HALO Electronics

Audio Transformers / Signal Transformers 10/100BASE-TX SMD Ultra POE+ 1-Port

Datasheet

696In Stock

$11.19

$7.20

$5.88

$4.75

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Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers CJ5143 for NCP5080 350V 1.2A SMT

CJ5143-ALC
Coilcraft
1: $7.84
4,532In Stock

Mfr. Part No.
CJ5143-ALC

Mouser Part No
994-CJ5143-ALC

Coilcraft

Audio Transformers / Signal Transformers CJ5143 for NCP5080 350V 1.2A SMT

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Datasheet

4,532In Stock

Cut Tape

$7.84

$5.92

$5.69

Reel

$4.84

$4.68

$4.53

MouseReel Available

Min.: 1
Mult.: 1

: 250

Current Transformers - Board Mount CST7030 1:100 20A 1.33mH AEC-Q200

CST7030-100LC
Coilcraft
1: $4.41
1,788In Stock

Mfr. Part No.
CST7030-100LC

Mouser Part No
994-CST7030-100LC

Coilcraft

Current Transformers - Board Mount CST7030 1:100 20A 1.33mH AEC-Q200

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Datasheet

1,788In Stock

Cut Tape

$4.41

$3.60

$3.13

$3.03

Reel

$2.86

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MouseReel Available

Min.: 1
Mult.: 1

: 600

SMD/SMT

Power Transformers - Board Mount

YA8779-BLD
Coilcraft
1: $7.99
2,754In Stock
1,800Expected 17/7/2026

Mfr. Part No.
YA8779-BLD

Mouser Part No
994-YA8779-BL

Coilcraft

Power Transformers - Board Mount

Datasheet

2,754In Stock

1,800Expected 17/7/2026

Cut Tape

$7.99

$6.53

$5.38

$5.21

Reel

$5.02

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MouseReel Available

Min.: 1
Mult.: 1

: 300

Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 8-Port

TX1471NL
Pulse Electronics
1: $14.78
308In Stock

Mfr. Part No.
TX1471NL

Mouser Part No
673-TX1471NL

Pulse Electronics

Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 8-Port

Datasheet

308In Stock

$14.78

$13.84

$11.73

$11.27

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Mult.: 1

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

DA2257-ALD
Coilcraft
1: $6.91
932In Stock
1,575On Order

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

932In Stock

1,575On Order

Cut Tape

$6.91

$5.21

$4.98

$4.66

Reel

$4.27

View

MouseReel Available

Min.: 1
Mult.: 1

: 175

Audio Transformers / Signal Transformers

1000B-5001NL
iNRCORE
1: $57.28
30In Stock

Mfr. Part No.
1000B-5001NL

Mouser Part No
673-1000B-5001NL

iNRCORE

Audio Transformers / Signal Transformers

Datasheet

30In Stock

$57.28

$51.53

$50.53

$48.40

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Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers

1000B-5016X
iNRCORE
1: $40.20
45In Stock

Mfr. Part No.
1000B-5016X

Mouser Part No
673-1000B-5016X

iNRCORE

Audio Transformers / Signal Transformers

Datasheet

45In Stock

$40.20

$36.18

$34.68

$32.79

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Min.: 1
Mult.: 1

Power Transformers - Board Mount 4TPRI:4TPRI:4TSEC 153UH 140W

PL10301NL
iNRCORE
1: $51.76
32In Stock

Mfr. Part No.
PL10301NL

Mouser Part No
673-PL10301NL

iNRCORE

Power Transformers - Board Mount 4TPRI:4TPRI:4TSEC 153UH 140W

Datasheet

32In Stock

$51.76

$46.58

$44.65

$43.22

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Min.: 1
Mult.: 1

140 W

SMD/SMT

Audio Transformers / Signal Transformers

10B-2001NL
iNRCORE
1: $65.73
17In Stock

Mfr. Part No.
10B-2001NL

Mouser Part No
673-10B-2001NL

iNRCORE

Audio Transformers / Signal Transformers

Datasheet

17In Stock

$65.73

$59.12

$55.56

$54.91

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Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers 1:1 1500Vrms 1.3Ohm -1.1dB SMT

TG1G-E005J24RL
HALO Electronics
1: $22.87
1,005In Stock

Mfr. Part No.
TG1G-E005J24RL

Mouser Part No
493-TG1G-E005J24RL

HALO Electronics

Audio Transformers / Signal Transformers 1:1 1500Vrms 1.3Ohm -1.1dB SMT

Datasheet

1,005In Stock

$22.87

$16.33

$13.72

$11.43

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Min.: 1
Mult.: 1

Current Transformers - Board Mount CU8965 1:100 20A 1.33mH AEC-Q200

CU8965-ALC
Coilcraft
1: $4.52
1,263In Stock

Mfr. Part No.
CU8965-ALC

Mouser Part No
994-CU8965-ALC

Coilcraft

Current Transformers - Board Mount CU8965 1:100 20A 1.33mH AEC-Q200

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Datasheet

1,263In Stock

Cut Tape

$4.52

$3.70

$3.21

$3.11

Reel

$2.95

View

MouseReel Available

Min.: 1
Mult.: 1

: 600

Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 50P 2-Port w/Choke

TG1G-E220NWLF
HALO Electronics
1: $31.62
855In Stock

Mfr. Part No.
TG1G-E220NWLF

Mouser Part No
493-TG1G-E220NWLF

HALO Electronics

Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 50P 2-Port w/Choke

Datasheet

855In Stock

$31.62

$20.41

$16.65

$13.46

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Min.: 1
Mult.: 1

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

CST1-100LC
Coilcraft
1: $4.56
1,157In 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

1,157In Stock

Cut Tape

$4.56

$3.74

$3.53

Reel

$3.00

$2.97

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

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

FA2805-CLD
Coilcraft
1: $6.87
840In Stock
1,400Expected 5/6/2026

Mfr. Part No.
FA2805-CLD

Mouser Part No
994-FA2805-CLD

Coilcraft

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

Learn More

Datasheet

840In Stock

1,400Expected 5/6/2026

Cut Tape

$6.87

$5.18

$4.95

$4.63

Reel

$4.24

View

MouseReel Available

Min.: 1
Mult.: 1

: 175

15 W

Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz

WBC9-1LC
Coilcraft
1: $8.74
810In Stock

Mfr. Part No.
WBC9-1LC

Mouser Part No
994-WBC9-1LC

Coilcraft

Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz

Datasheet

810In Stock

Cut Tape

$8.74

$7.45

$6.38

Reel

$6.38

$5.59

MouseReel Available

Min.: 1
Mult.: 1

: 750

250 mW

Current Transformers - Industrial CT 5.12" ID (130mm)- WKE130

PGC-5130
Littelfuse
1: $1,487.81
12In Stock

Mfr. Part No.
PGC-5130

Mouser Part No
576-PGC-5130

Littelfuse

Current Transformers - Industrial CT 5.12" ID (130mm)- WKE130

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Datasheet

12In Stock

$1,487.81

Min.: 1
Mult.: 1

Current Transformers - Board Mount XFMR,CURRENT SENSE 1:100 T& NPB

PM2165.100NL
Pulse Electronics
1: $2.43
2,414In Stock

Mfr. Part No.
PM2165.100NL

Mouser Part No
673-PM2165.100NL

Pulse Electronics

Current Transformers - Board Mount XFMR,CURRENT SENSE 1:100 T& NPB

Datasheet

2,414In Stock

$2.43

$1.97

$1.88

$1.82

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Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200

HM1238NL
Pulse Electronics
1: $4.78
877In Stock

Mfr. Part No.
HM1238NL

Mouser Part No
673-HM1238NL

Pulse Electronics

Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200

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Datasheet

877In Stock

$4.78

$4.45

$4.36

$4.25

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Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers MDL SIN 100D 1:1 4.5K REINFORCED SMD

HX1333NL
Pulse Electronics
1: $8.99
493In Stock

Mfr. Part No.
HX1333NL

Mouser Part No
673-HX1333NL

Pulse Electronics

Audio Transformers / Signal Transformers MDL SIN 100D 1:1 4.5K REINFORCED SMD

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Datasheet

493In Stock

$8.99

$6.94

$6.64

$5.94

View

Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port

HX5014NLT
Pulse Electronics
1: $26.10
719In Stock

Mfr. Part No.
HX5014NLT

Mouser Part No
673-HX5014NLT

Pulse Electronics

Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port

Learn More

Datasheet

719In Stock

Cut Tape

$26.10

$21.27

$20.22

$19.59

Reel

$17.69

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Power Transformers - Board Mount EFD20 36V-72V Flyback SMD 60W

PA1736NL
Pulse Electronics
1: $7.91
585In Stock

Mfr. Part No.
PA1736NL

Mouser Part No
673-PA1736NL

Pulse Electronics

Power Transformers - Board Mount EFD20 36V-72V Flyback SMD 60W

Datasheet

585In Stock

$7.91

$6.06

$5.67

$5.48

View

Min.: 1
Mult.: 1

PCB Mount

Pulse Transformers 1.02mH 2.5kV Iso 3CT:4CT SM NPB

PH9085.034NLT
Pulse Electronics
1: $3.09
1,519In Stock

Mfr. Part No.
PH9085.034NLT

Mouser Part No
673-PH9085034NLT

Pulse Electronics

Pulse Transformers 1.02mH 2.5kV Iso 3CT:4CT SM NPB

Datasheet

1,519In Stock

Cut Tape

$3.09

$2.54

$2.47

$2.10

$1.97

Reel

$1.65

MouseReel Available

Min.: 1
Mult.: 1

: 700

SMD/SMT

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32 mW
35 mW
40 mW
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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 V/132 V
0 V to 120 V/132 V, 0 V to 240 V/264 V
0 V to 120 V/140 V
0 V to 120 V/140 V, 0 V to 240 V/280 V
0 V to 120 V/140 V, 110 V to 240 V, 120 V to 260 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 240 V/280 V
0 V to 240 V/280 V, 0 V to 240 V
0 V to 240 V/280 V, 0 V to 280 V
0 V to 240 V/280 V, 0 V to 480 V/560 V
0 V to 280 V
0 V to 480 V
0 V to 480 V, 0 to 560 V
0 V to 480 V/560 V

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Base
Board Mount
Bracket
Bracket, Panel Mount
Bracket Mount
Busbar
Cable
Chassis
Chassis, DIN Rail
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Desktop
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Free Hanging
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