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Power Transformers

Power transformers are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many power transformer manufacturers including Bel, Bourns, Hammond, Pulse, Tamura, Triad Magnetics, Wurth Elektronik & more. Please view our selection of power transformers below.

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Part #

Power Transformers SMD Hi Isolation Pwr 750uH .75Ohms

PH9185.034NL
Pulse Electronics
1: Rp62.009
1.092In Stock

Mfr. Part No.
PH9185.034NL

Mouser Part No
673-PH9185.034NL

Pulse Electronics

Power Transformers SMD Hi Isolation Pwr 750uH .75Ohms

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Datasheet

1.092In Stock

Rp62.009

Rp56.139

Rp52.653

Rp51.185

View

Min.: 1
Mult.: 1

10 mm

13.8 mm

Power Transformers WE-FLEX W/Air Gap 9.3uH 1.09A

749196331
Wurth Elektronik
1: Rp137.045
472In Stock

Mfr. Part No.
749196331

Mouser Part No
710-749196331

Wurth Elektronik

Power Transformers WE-FLEX W/Air Gap 9.3uH 1.09A

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Datasheet

472In Stock

Cut Tape

Rp137.045

Rp111.177

Rp104.389

Reel

Rp104.389

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

Flexible Transformers

500 VA

970 mA

SMD/SMT

Triple Primary Winding

Triple Secondary Winding

17.5 mm

22.1 mm

8.3 mm

WE-FLEX

Power Transformers MID-OLON NCP1251 750 uH 21.6 W

750312495
Wurth Elektronik
1: Rp117.231
561In Stock

Mfr. Part No.
750312495

Mouser Part No
710-750312495

Wurth Elektronik

Power Transformers MID-OLON NCP1251 750 uH 21.6 W

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Datasheet

561In Stock

Rp117.231

Rp105.673

Rp101.453

Rp93.748

View

Min.: 1
Mult.: 1

Flyback Transformers

85 VAC to 265 VAC

12 V

21.6 W

1.8 A

Through Hole

Dual Primary Winding

Single Secondary Winding

23 mm

22 mm

17.53 mm

MID-OLON

Power Transformers MID-FLYLT LT8302 12 uH 6.6 W

750313439
Wurth Elektronik
1: Rp65.128
971In Stock

Mfr. Part No.
750313439

Mouser Part No
710-750313439

Wurth Elektronik

Power Transformers MID-FLYLT LT8302 12 uH 6.6 W

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Datasheet

971In Stock

Cut Tape

Rp65.128

Rp58.891

Rp56.506

Rp54.855

Reel

Rp50.818

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

Flyback Transformers

8 V to 40 V

3.3 V

6.6 W

2 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.34 mm

15.24 mm

11.43 mm

MID-FLYLT

Power Transformers WE-PPTI SN6505 PushPull for TI Driver 370 uH

750316033
Wurth Elektronik
1: Rp91.730
1.637In Stock

Mfr. Part No.
750316033

Mouser Part No
710-750316033

Wurth Elektronik

Power Transformers WE-PPTI SN6505 PushPull for TI Driver 370 uH

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Datasheet

1.637In Stock

Cut Tape

Rp91.730

Rp82.924

Rp79.438

Rp77.053

Reel

Rp60.542

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 275

WE-PPTI

Power Transformers MID-FLYMAX MAX17690 84 uH 2.5 W

750317234
Wurth Elektronik
1: Rp47.516
999In Stock

Mfr. Part No.
750317234

Mouser Part No
710-750317234

Wurth Elektronik

Power Transformers MID-FLYMAX MAX17690 84 uH 2.5 W

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Datasheet

999In Stock

Cut Tape

Rp47.516

Rp44.030

Rp38.710

Reel

Rp31.739

Rp31.555

Rp31.372

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

Flyback Transformers

18 V to 60 V

5 V

2.5 W

500 mA

SMD/SMT

Single Primary Winding

Single Secondary Winding

9.78 mm

9.5 mm

10.54 mm

MID-FLYMAX

Power Transformers MID-OLTI UCC28740 230 uH 60 W

750343068
Wurth Elektronik
1: Rp176.122
877In Stock

Mfr. Part No.
750343068

Mouser Part No
710-750343068

Wurth Elektronik

Power Transformers MID-OLTI UCC28740 230 uH 60 W

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Datasheet

877In Stock

Rp176.122

Rp158.876

Rp158.693

Rp147.685

View

Min.: 1
Mult.: 1

Flyback Transformers

94 VAC to 445 VAC

24 V

60 W

2.5 A

Through Hole

Dual Primary Winding

Single Secondary Winding

29.2 mm

30.35 mm

29.3 mm

MID-OLTI

Power Transformers THROUGH HOLE 6VA

3FD-416
Tamura
1: Rp147.502
381In Stock

Mfr. Part No.
3FD-416

Mouser Part No
838-3FD-416

Tamura

Power Transformers THROUGH HOLE 6VA

Datasheet

381In Stock

Rp147.502

Rp129.339

Rp123.469

Rp118.699

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

6 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

34.54 mm

3FD

Power Transformers THROUGH HOLE 12VA

3FD-512
Tamura
1: Rp133.559
195In Stock

Mfr. Part No.
3FD-512

Mouser Part No
838-3FD-512

Tamura

Power Transformers THROUGH HOLE 12VA

Datasheet

195In Stock

Rp133.559

Rp129.339

Rp127.321

Rp126.404

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

12 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

41.4 mm

3FD

Power Transformers Transformers for DC-DC Converters, DC/DC Converter, ER11, 100 H, TR=1:1:1:1

B78334B1033A003
EPCOS / TDK
1: Rp123.102
370In Stock

Mfr. Part No.
B78334B1033A003

Mouser Part No
871-B78334B1033A3

EPCOS / TDK

Power Transformers Transformers for DC-DC Converters, DC/DC Converter, ER11, 100 H, TR=1:1:1:1

Datasheet

370In Stock

Cut Tape

Rp123.102

Rp101.086

Rp88.244

Rp87.327

View

Reel

Rp71.182

Min.: 1
Mult.: 1

Reel: 600

B78334B

Power Transformers Rectifier Power Transformer

56-50
Bel Signal Transformer
1: Rp13.361.575
8In Stock

Mfr. Part No.
56-50

Mouser Part No
530-56-50

Bel Signal Transformer

Power Transformers Rectifier Power Transformer

Datasheet

8In Stock

Rp13.361.575

Rp13.161.237

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

56 V CT/28 V CT

2.8 kVA

50 A/100 A

Chassis

Dual Primary Winding

Dual Secondary Winding

190.5 mm

158.8 mm

Power Transformers 50\60 Hz, Laminated Transformer Class 2

CL2-2.5R-12
Bel Signal Transformer
1: Rp195.752
236In Stock

Mfr. Part No.
CL2-2.5R-12

Mouser Part No
530-CL2-2.5R-12

Bel Signal Transformer

Power Transformers 50\60 Hz, Laminated Transformer Class 2

Datasheet

236In Stock

Rp195.752

Rp164.931

Rp156.675

Rp153.006

View

Min.: 1
Mult.: 1

Class 2 Transformers

115 VAC, 230 VAC

12 V

2.5 VA

200 mA

Through Hole

Dual Primary Winding

Single Secondary Winding

41.3 mm

36.5 mm

28.6 mm

Power Transformers MID-FLYLT LT8300 300 uH 3.6 W

750312365
Wurth Elektronik
1: Rp66.779
1.435In Stock

Mfr. Part No.
750312365

Mouser Part No
710-750312365

Wurth Elektronik

Power Transformers MID-FLYLT LT8300 300 uH 3.6 W

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Datasheet

1.435In Stock

Cut Tape

Rp66.779

Rp60.542

Rp57.973

Rp56.322

Reel

Rp51.002

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

POE - Power Over Ethernet Transformers

30 V to 72 V

12 V

3.6 W

300 mA

SMD/SMT

Dual Primary Winding

Single Secondary Winding

10.16 mm

13.36 mm

8.64 mm

MID-FLYLT

Power Transformers MID-FLYMAX MAX17690 84 uH 3 W

750317236
Wurth Elektronik
1: Rp47.516
1.168In Stock

Mfr. Part No.
750317236

Mouser Part No
710-750317236

Wurth Elektronik

Power Transformers MID-FLYMAX MAX17690 84 uH 3 W

Learn More

Datasheet

1.168In Stock

Cut Tape

Rp47.516

Rp44.030

Rp38.710

Reel

Rp31.555

Rp31.372

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

Flyback Transformers

18 V to 60 V

12 V

3 W

250 mA

SMD/SMT

Single Primary Winding

Single Secondary Winding

9.78 mm

9.5 mm

10.54 mm

MID-FLYMAX

Power Transformers THROUGH HOLE 6VA

3FS-416
Tamura
1: Rp158.693
575In Stock

Mfr. Part No.
3FS-416

Mouser Part No
838-3FS-416

Tamura

Power Transformers THROUGH HOLE 6VA

Datasheet

575In Stock

Rp158.693

Rp156.491

Rp143.833

Rp108.425

Quote

Min.: 1
Mult.: 1

115 VAC

6 VA

Through Hole

Single Primary Winding

Dual Secondary Winding

34.55 mm

3FS

Power Transformers

H5143FNL
Pulse Electronics
1: Rp133.192
524In Stock

Mfr. Part No.
H5143FNL

Mouser Part No
673-H5143FNL

Pulse Electronics

Power Transformers

Datasheet

524In Stock

Rp133.192

Rp102.921

Rp99.435

Rp95.583

View

Min.: 1
Mult.: 1

PCB Mount

15.24 mm

9.78 mm

4.14 mm

Power Transformers Miniture SMT Transformer

Q4470-CLD
Coilcraft
1: Rp73.567
13In Stock
3.000Expected 17/04/2026

Mfr. Part No.
Q4470-CLD

Mouser Part No
994-Q4470-CLD

Coilcraft

Power Transformers Miniture SMT Transformer

Datasheet

13In Stock

3.000Expected 17/04/2026

Cut Tape

Rp73.567

Rp60.175

Rp51.002

Rp49.534

Reel

Rp41.462

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1.000

Power Transformers CONTROL TRANSFORMER,500VA,380/400/415-11

MT0500I
Siemens
1: Rp7.740.544
3In Stock

Mfr. Part No.
MT0500I

Mouser Part No
982-MT0500I

Siemens

Power Transformers CONTROL TRANSFORMER,500VA,380/400/415-11

Datasheet

3In Stock

Rp7.740.544

Min.: 1
Mult.: 1

Power Transformers TRANSFORMER,750VA,380/4

MTG0750I
Siemens
1: Rp15.073.074
1In Stock

Mfr. Part No.
MTG0750I

Mouser Part No
982-MTG0750I

Siemens

Power Transformers TRANSFORMER,750VA,380/4

Datasheet

1In Stock

Rp15.073.074

Rp14.460.134

Min.: 1
Mult.: 1

Power Transformers WE-FLEX Trnsfmr HV 196uH .05A

749196508
Wurth Elektronik
1: Rp226.573
44In Stock

Mfr. Part No.
749196508

Mouser Part No
710-749196508

Wurth Elektronik

Power Transformers WE-FLEX Trnsfmr HV 196uH .05A

Learn More

Datasheet

44In Stock

Cut Tape

Rp226.573

Rp204.008

Reel

Rp181.258

Rp166.215

Rp150.988

Rp135.944

MouseReel Available

Min.: 1
Mult.: 1

Reel: 120

Signal Transformers

1.35 A

SMD/SMT

Triple Primary Winding

Triple Secondary Winding

29.5 mm

21.5 mm

12 mm

WE-FLEX HV

Power Transformers CONTROL TRANSFORMER,208-115V 45VA

KTH050
Siemens
1: Rp6.143.342
3In Stock

Mfr. Part No.
KTH050

Mouser Part No
982-KTH050

Siemens

Power Transformers CONTROL TRANSFORMER,208-115V 45VA

Datasheet

3In Stock

Rp6.143.342

Rp5.978.778

Min.: 1
Mult.: 1

Power Transformers Q4435 Flybck Regltor 8uH 5.0 V 1.6 A

Q4435-BL
Coilcraft
1: Rp235.563
27In Stock

Mfr. Part No.
Q4435-BL

Mouser Part No
994-Q4435-BL

Coilcraft

Power Transformers Q4435 Flybck Regltor 8uH 5.0 V 1.6 A

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Datasheet

27In Stock

Rp235.563

Rp165.481

Rp115.580

Rp107.324

Min.: 1
Mult.: 1

Q4435

Power Transformers WE-LLCR Size ETD34 600uH 150W 48V

760895451
Wurth Elektronik
1: Rp321.789
21In Stock

Mfr. Part No.
760895451

Mouser Part No
710-760895451

Wurth Elektronik

Power Transformers WE-LLCR Size ETD34 600uH 150W 48V

Learn More

Datasheet

21In Stock

Rp321.789

Rp308.396

Rp289.133

Rp260.146

Rp231.160

Min.: 1
Mult.: 1

Power

255 VAC to 283 VAC

48 V

150 W

3.1 A

Through Hole

Single Primary Winding

Dual Secondary Winding

36 mm

26 mm

WE-LLCR

Power Transformers WE-FB LT3748 100 uH 12 W

750311456
Wurth Elektronik
1: Rp215.015
150In Stock

Mfr. Part No.
750311456

Mouser Part No
710-750311456

Wurth Elektronik

Power Transformers WE-FB LT3748 100 uH 12 W

Learn More

Datasheet

150In Stock

Cut Tape

Rp215.015

Rp201.439

Rp192.633

Rp175.204

Reel

Rp157.592

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

Flyback Transformers

36 V

12 V

12 W

1 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.46 mm

17.75 mm

12.7 mm

WE-FB

Power Transformers Q4438 Flybck Regltor 12 V, -12 V 0.63 A

Q4438-BL
Coilcraft
1: Rp162.362
287In Stock
756Expected 13/03/2026

Mfr. Part No.
Q4438-BL

Mouser Part No
994-Q4438-BL

Coilcraft

Power Transformers Q4438 Flybck Regltor 12 V, -12 V 0.63 A

Learn More

Datasheet

287In Stock

756Expected 13/03/2026

Rp162.362

Rp114.112

Rp79.622

Rp73.934

Min.: 1
Mult.: 1

Q4438

Power Transformers

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Analog Modem Transformers
Automotive Transformers
BMS Planar Transformers
BMS Transformers
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Current Sense Transformers
DC/DC Transformers
Digital Transformers
Flexible Transformers
Flyback Transformers
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Gate Driver Transformer
Gate Drive Transformers
High Frequency Reactors
High Isolation Power Transformers
Isolation Transformers
Kits
Offline Transformers
Planar Transformer

2 V to 5.5 V
2.5 V to 3.5 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
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
6 V
6 V to 12.6 V
6 V to 18 V
7 V to 24 V
7 V to 26 V
7 V to 31 V
7.5 V
8 V to 15 V

0 V to 6.5 V/13 V/19.5 V/26 V
0 V, 208 V, 220 V, 240 V/0 V, 104 V, 110 V, 120 V
0 V, 416 V, 440 V, 480 V/0 V, 208 V, 220 V, 240 V
- 17.5 V, 17.5 V
- 5 V, 15 V
- 5 V, 7 V
1.8 V
2 x 12 V
2 x 3.3 V
2 x 5 V
2.5 V
2.5 VAC CT
3 VAC CT
3 x 3.3 V
3 x 5 V
3.3 V
3.3 V, 12 V
3.3 V, 12 V, 5 V
3.3 V, 3.3 V
3.3 V/5 V

40 mW
100 mW
150 mW
300 mW
500 mVA
500 mW
540 mVA
600 mW
630 mVA
700 mW
800 mW
900 mW
950 mVA
1 VA
1 W
1.1 VA
1.1 W
1.2 VA
1.2 W
1.25 VA

1 mA
1 mA, 1 mA
2 mA, 2 mA
5 mA, 30 mA
8 mA
8 mA/16 mA
9 mA/18 mA
10 mA
10 mA, 1.1 A
10 mA, 5.25 A
10 mA/20 mA
15 mA
15 mA/30 mA
18 mA/36 mA
20 mA
20 mA, 100 mA, 20 mA
20 mA, 40 mA, 40 mA
20 mA, 700 mA
20 mA/40 mA
23 mA

2.6 mm
5.08 mm
5.5 mm
6.6 mm
6.73 mm
7 mm
7.1 mm
7.14 mm
7.62 mm
7.87 mm
8 mm
8.1 mm
8.12 mm
8.13 mm
8.2 mm
8.26 mm
8.3 mm
8.35 mm
8.38 mm
8.6 mm

1.5 mm
2.17 mm
3.61 mm
4.5 mm
5.4 mm
6.55 mm
6.6 mm
6.7 mm
6.73 mm
6.91 mm
6.93 mm
7 mm
7.1 mm
7.11 mm
7.14 mm
7.37 mm
7.5 mm
7.68 mm
8 mm
8.13 mm

1.56 mm
1.98 mm
2.08 mm
2.2 mm
2.34 mm
3 mm
3.1 mm
3.56 mm
3.6 mm
3.8 mm
4 mm
4.06 mm
4.1 mm
4.14 mm
4.19 mm
4.2 mm
4.25 mm
4.74 mm
4.8 mm
4.85 mm

71 mm
74 mm
3 in
80 mm
3.25 in
84 mm
87 mm
3.5 in
92 mm
3.63 in
3.73 in
3.75 in
96 mm
3.98 in
4 in
103 mm
4.25 in
112 mm
4.43 in
113 mm

160
161
162
164
165
166
167
169
171
172
178
179
182
183
185
194
197
200
229
240