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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: 22,253

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Part #

Power Transformers - Board Mount 50\60 Hz, Laminated Transformer Encapsulated

IF-30-34
Bel Signal Transformer
1: $64.25
36In Stock

Mfr. Part #
IF-30-34

Mouser Part #
530-IF-30-34

Bel Signal Transformer

Power Transformers - Board Mount 50\60 Hz, Laminated Transformer Encapsulated

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Datasheet

36In Stock

$64.25

$57.82

$48.67

$48.60

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Min.: 1
Mult.: 1

30 VA

115 VAC, 230 VAC

34 V CT/17 V

Through Hole

Power Transformers - Board Mount 50\60 Hz, Laminated Transformer Encapsulated

IF-4-10
Bel Signal Transformer
1: $42.96
45In Stock

Mfr. Part #
IF-4-10

Mouser Part #
530-IF-4-10

Bel Signal Transformer

Power Transformers - Board Mount 50\60 Hz, Laminated Transformer Encapsulated

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Datasheet

45In Stock

$42.96

$35.93

$33.55

$32.99

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Min.: 1
Mult.: 1

4 VA

115 VAC, 230 VAC

10 V CT/5 V

Through Hole

Power Transformers - Industrial 50\60 Hz, Laminated Transformer, Medical Grade

M4L-3-4
Bel Signal Transformer
1: $240.45
9In Stock

Mfr. Part #
M4L-3-4

Mouser Part #
530-M4L-3-4

Bel Signal Transformer

Power Transformers - Industrial 50\60 Hz, Laminated Transformer, Medical Grade

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Datasheet

9In Stock

$240.45

$231.77

$222.21

$218.06

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Min.: 1
Mult.: 1

450 VA

100 VAC/100 VAC/115 VAC/115 VAC

115 V

Chassis

Power Transformers - Industrial Power Isolation Transformer

SU-3
Bel Signal Transformer
1: $1,088.77
9In Stock

Mfr. Part #
SU-3

Mouser Part #
530-SU-3

Bel Signal Transformer

Power Transformers - Industrial Power Isolation Transformer

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Datasheet

9In Stock

$1,088.77

Min.: 1
Mult.: 1

3 kVA

104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC

0 V/0 V/208 V/220 V/240 V/416 V/440 V/480 V

Chassis

Power Transformers - Industrial POWER XFMR 18.0VCT at 2.78A UL/CE TOROIDAL MOUNT

VPT18-2780
Triad Magnetics
1: $49.33
978In Stock

Mfr. Part #
VPT18-2780

Mouser Part #
553-VPT18-2780

Triad Magnetics

Power Transformers - Industrial POWER XFMR 18.0VCT at 2.78A UL/CE TOROIDAL MOUNT

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Datasheet

978In Stock

$49.33

$42.57

$41.69

$40.95

Min.: 1
Mult.: 1

50 VA

115 VAC, 230 VAC

9 V to 18 V

Chassis

Audio Transformers / Signal Transformers Disc. Eth. Mag. Quad Port SMT

2337826-1
TE Connectivity / AMP
1: $22.39
265In Stock

Mfr. Part #
2337826-1

Mouser Part #
571-2337826-1

TE Connectivity / AMP

Audio Transformers / Signal Transformers Disc. Eth. Mag. Quad Port SMT

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Datasheet

265In Stock

$22.39

$13.78

Min.: 1
Mult.: 1

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

HM1236NL
Pulse Electronics
1: $5.96
296In Stock

Mfr. Part #
HM1236NL

Mouser Part #
673-HM1236NL

Pulse Electronics

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

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Datasheet

296In Stock

$5.96

$5.92

$5.82

$5.70

View

Min.: 1
Mult.: 1

Current Transformers - Board Mount

PL1840
iNRCORE
1: $42.24
59In Stock

Mfr. Part #
PL1840

Mouser Part #
673-PL1840

iNRCORE

Current Transformers - Board Mount

Datasheet

59In Stock

$42.24

$38.00

$36.43

$35.28

View

Min.: 1
Mult.: 1

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 15 uH 45.6 W

750311594
Wurth Elektronik
1: $20.68
112In Stock

Mfr. Part #
750311594

Mouser Part #
710-750311594

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 15 uH 45.6 W

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Datasheet

112In Stock

Cut Tape

$20.68

$19.37

Reel

$19.37

$15.16

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 100

45.6 W

30 V to 75 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB SMD Flyback Dialog Semi iW1830

750343109
Wurth Elektronik
1: $33.80
998In Stock

Mfr. Part #
750343109

Mouser Part #
710-750343109

Wurth Elektronik

Power Transformers - Board Mount WE-FB SMD Flyback Dialog Semi iW1830

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Datasheet

998In Stock

$33.80

$31.19

$25.99

$21.44

Quote

Min.: 1
Mult.: 1

15 W

90 VAC to 264 VAC

5 V

Through Hole

Power Transformers - Board Mount WE-UOST Univ Offline 1310uH 0.8A 450mOhm

760871543
Wurth Elektronik
1: $14.20
268In Stock

Mfr. Part #
760871543

Mouser Part #
710-760871543

Wurth Elektronik

Power Transformers - Board Mount WE-UOST Univ Offline 1310uH 0.8A 450mOhm

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Datasheet

268In Stock

Cut Tape

$14.20

$13.95

$12.96

$11.97

Reel

$10.76

View

MouseReel Available

Min.: 1
Mult.: 1

: 150

7.2 W

85 VAC to 265 VAC

24 V

SMD/SMT

Power Transformers - Board Mount WE-UOST Univ Offline 1500uH 0.8A 4200mOhm

760875112
Wurth Elektronik
1: $14.20
171In Stock

Mfr. Part #
760875112

Mouser Part #
710-760875112

Wurth Elektronik

Power Transformers - Board Mount WE-UOST Univ Offline 1500uH 0.8A 4200mOhm

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Datasheet

171In Stock

Cut Tape

$14.20

$13.95

$13.94

$12.96

Reel

$10.76

View

MouseReel Available

Min.: 1
Mult.: 1

: 150

7.5 W

195 VAC to 265 VAC

5 V

SMD/SMT

Audio Transformers / Signal Transformers SMPS Transformer Horizontal Type

ECO2225SEO-D01H016
TDK
1: $6.96
240In Stock

Mfr. Part #
ECO2225SEO-D01H016

Mouser Part #
810-ECO2225SEOD01H16

TDK

Audio Transformers / Signal Transformers SMPS Transformer Horizontal Type

Datasheet

240In Stock

$6.96

$6.36

$6.19

$6.08

$5.73

Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers THROUGH HOLE 200KCT:1KCT

MET-01
Tamura
1: $15.88
116In Stock

Mfr. Part #
MET-01

Mouser Part #
838-MET-01

Tamura

Audio Transformers / Signal Transformers THROUGH HOLE 200KCT:1KCT

Datasheet

116In Stock

$15.88

$14.89

$13.51

$12.90

View

Min.: 1
Mult.: 1

10 mW

Audio Transformers / Signal Transformers Flyback POE 37uH 24V 13W

IFBT0709ZIFS132400
Vishay
1: $5.18
400In Stock
New Product

Mfr. Part #
IFBT0709ZIFS132400

Mouser Part #
71-IFBT0709ZIF132400

New Product

Vishay

Audio Transformers / Signal Transformers Flyback POE 37uH 24V 13W

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Datasheet

400In Stock

Cut Tape

$5.18

$3.92

$3.73

$3.48

Reel

$3.20

View

Min.: 1
Mult.: 1

: 200

13 W

Audio Transformers / Signal Transformers Flyback POE 42uH 12V 30W

IFBT0912ABFS301200
Vishay
1: $6.26
299In Stock
New Product

Mfr. Part #
IFBT0912ABFS301200

Mouser Part #
71-IFBT0912ABF301200

New Product

Vishay

Audio Transformers / Signal Transformers Flyback POE 42uH 12V 30W

Learn More

Datasheet

299In Stock

Cut Tape

$6.26

$4.72

$4.51

$4.22

Reel

$3.86

View

Min.: 1
Mult.: 1

: 150

30 W

Audio Transformers / Signal Transformers Flyback POE 42uH 19.5V 30W

IFBT0912ABFS302000
Vishay
1: $6.26
300In Stock
New Product

Mfr. Part #
IFBT0912ABFS302000

Mouser Part #
71-IFBT0912ABF302000

New Product

Vishay

Audio Transformers / Signal Transformers Flyback POE 42uH 19.5V 30W

Learn More

Datasheet

300In Stock

Cut Tape

$6.26

$4.72

$4.51

$4.22

Reel

$3.86

View

Min.: 1
Mult.: 1

: 150

30 W

Power Transformers - Board Mount POE transformer, 25W, EFD20, 5V

POE025-FD20050S
Bourns
1: $7.65
488In Stock

Mfr. Part #
POE025-FD20050S

Mouser Part #
652-POE025-FD20050S

Bourns

Power Transformers - Board Mount POE transformer, 25W, EFD20, 5V

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Datasheet

488In Stock

Cut Tape

$7.65

$6.26

$5.14

$4.98

Reel

$4.80

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

5 V

SMD/SMT

Pulse Transformers TRANSFORMER PBC QPL SMT MIL-STD-1553

SMQC1553-45
iNRCORE
1: $100.97
3In Stock
99Expected 2026-09-01

Mfr. Part #
SMQC1553-45

Mouser Part #
673-SMQC1553-45

iNRCORE

Pulse Transformers TRANSFORMER PBC QPL SMT MIL-STD-1553

Datasheet

3In Stock

99Expected 2026-09-01

$100.97

$87.55

$81.81

$81.04

View

Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers Flyback POE 42uH 5V 30W

IFBT0912ABFS305R00
Vishay
1: $6.26
295In Stock
New Product

Mfr. Part #
IFBT0912ABFS305R00

Mouser Part #
71-IFBT0912ABF305R00

New Product

Vishay

Audio Transformers / Signal Transformers Flyback POE 42uH 5V 30W

Learn More

Datasheet

295In Stock

Cut Tape

$6.26

$4.72

$4.51

$4.22

Reel

$3.86

View

Min.: 1
Mult.: 1

: 150

30 W

Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port

HX2260FNL
Pulse Electronics
1: $6.25
310In Stock
NRND

Mfr. Part #
HX2260FNL

Mouser Part #
673-HX2260FNL

NRND

Pulse Electronics

Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port

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Datasheet

310In Stock

$6.25

$5.64

$5.31

$5.13

View

Min.: 1
Mult.: 1

Pulse Transformers PLEASE SEE MURATA'S SUGGESTED ALTERNATE 78615/9JC-R

78615/9MC-R
Murata Power Solutions
1: $3.97
952In Stock
NRND

Mfr. Part #
78615/9MC-R

Mouser Part #
580-78615/9MC-R

NRND

Murata Power Solutions

Pulse Transformers PLEASE SEE MURATA'S SUGGESTED ALTERNATE 78615/9JC-R

Datasheet

952In Stock

Cut Tape

$3.97

$3.21

$2.75

$2.66

View

Reel

$2.16

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

Audio Transformers / Signal Transformers TC XFMR / SURF MT / HAT RoHS

TC9-1-75X+
Mini-Circuits
1: $22.42
454In Stock

Mfr. Part #
TC9-1-75X+

Mouser Part #
139-TC9-1-75X

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MT / HAT RoHS

Datasheet

454In Stock

Cut Tape

$22.42

$22.41

$7.49

$4.26

Reel

$3.20

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Audio Transformers / Signal Transformers 1:2 LTCC Transformer, 5500 - 7200 MHz, 50 Ohm

TCW2-7200+
Mini-Circuits
1: $17.78
314In Stock

Mfr. Part #
TCW2-7200+

Mouser Part #
139-TCW2-7200+

Mini-Circuits

Audio Transformers / Signal Transformers 1:2 LTCC Transformer, 5500 - 7200 MHz, 50 Ohm

Learn More

Datasheet

314In Stock

Cut Tape

$17.78

$5.86

$4.84

$4.25

Reel

$3.07

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

2 W

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

TRS1-23-75+
Mini-Circuits
1: $20.17
335In Stock

Mfr. Part #
TRS1-23-75+

Mouser Part #
139-TRS1-23-75

Mini-Circuits

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

335In Stock

Cut Tape

$20.17

$20.16

$5.92

$4.65

Reel

$3.95

View

MouseReel Available

Min.: 1
Mult.: 1

: 100

Transformers

Types of 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

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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