Transformers – Mouser Finland

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WE-FB Flyback Transformers

Würth Elektronik WE-FB Flyback Transformers provide a straightforward design solution, requiring fewer external components and occupying minimal board space. These cost-effective transformers are compatible with multiple Linear Technologies (LT) chipsets, ensuring reliable voltage control over the long term. With an isolation voltage of up to 2.5kV, Würth Elektronik WE-FB Flyback Transformers deliver sustained performance and safety.

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Part #

Power Transformers WE-FB LT3748 15 uH 30 W

750311385
Wurth Elektronik
1: 6,96 €
238In Stock

Mfr. Part No.
750311385

Mouser Part No
710-750311385

Wurth Elektronik

Power Transformers WE-FB LT3748 15 uH 30 W

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Datasheet

238In Stock

Cut Tape

6,96 €

6,63 €

6,32 €

6,16 €

Reel

5,93 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

30 W

18 V to 60 V

13 V

SMD/SMT

Power Transformers MID-FLYLT LT8300 300 uH 1.7 W

750312558
Wurth Elektronik
1: 3,13 €
413In Stock

Mfr. Part No.
750312558

Mouser Part No
710-750312558

Wurth Elektronik

Power Transformers MID-FLYLT LT8300 300 uH 1.7 W

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Datasheet

413In Stock

Cut Tape

3,13 €

2,84 €

2,72 €

2,64 €

Reel

2,43 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

1.7 W

36 V to 72 V

12 V, 12 V

SMD/SMT

Power Transformers WE-FB LT3575 7 uH 15 W

750311567
Wurth Elektronik
1: 8,32 €
143In Stock

Mfr. Part No.
750311567

Mouser Part No
710-750311567

Wurth Elektronik

Power Transformers WE-FB LT3575 7 uH 15 W

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Datasheet

143In Stock

Cut Tape

8,32 €

7,79 €

7,45 €

6,78 €

Reel

6,10 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

15 W

10 V to 40 V

5 V

SMD/SMT

Power Transformers WE-FB LT3748 3.8 uH 9 W

750311856
Wurth Elektronik
1: 5,70 €
188In Stock

Mfr. Part No.
750311856

Mouser Part No
710-750311856

Wurth Elektronik

Power Transformers WE-FB LT3748 3.8 uH 9 W

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Datasheet

188In Stock

Cut Tape

5,70 €

5,15 €

4,95 €

4,79 €

Reel

3,59 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

9 W

16 V to 24 V

15 V, 15 V, 15 V, 15 V

SMD/SMT

Audio Transformers / Signal Transformers WE-DSL VDSL 700uH +-10%

750510348
Wurth Elektronik
1: 4,09 €
105In Stock

Mfr. Part No.
750510348

Mouser Part No
710-750510348

Wurth Elektronik

Audio Transformers / Signal Transformers WE-DSL VDSL 700uH +-10%

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Datasheet

105In Stock

Cut Tape

4,09 €

4,04 €

3,79 €

3,41 €

Reel

3,41 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 350

Power Transformers MID-IBTI LM20242 66 uH 15.2 W

750342156
Wurth Elektronik
1: 4,36 €
203In Stock

Mfr. Part No.
750342156

Mouser Part No
710-750342156

Wurth Elektronik

Power Transformers MID-IBTI LM20242 66 uH 15.2 W

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Datasheet

203In Stock

Cut Tape

4,36 €

4,03 €

3,67 €

3,34 €

Reel

3,04 €

2,75 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

15.2 W

15 V to 40 V

12.7 V, 12.7 V

SMD/SMT

Power Transformers WE-FB LT3748 12 uH 30 W

750311600
Wurth Elektronik
1: 10,08 €
1In Stock

Mfr. Part No.
750311600

Mouser Part No
710-750311600

Wurth Elektronik

Power Transformers WE-FB LT3748 12 uH 30 W

Learn More

Datasheet

1In Stock

Cut Tape

10,08 €

9,44 €

9,03 €

Reel

8,21 €

7,39 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

30 W

30 V to 75 V

15 V

SMD/SMT

Power Transformers WE-FB Flyback 5uH 500VAC

750311268
Wurth Elektronik
1: 2,19 €
32In Stock

Mfr. Part No.
750311268

Mouser Part No
710-750311268

Wurth Elektronik

Power Transformers WE-FB Flyback 5uH 500VAC

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Datasheet

32In Stock

Cut Tape

2,19 €

2,17 €

2,03 €

1,82 €

Reel

1,82 €

1,63 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

5 W

9 V to 16 V

100 V

SMD/SMT

Power Transformers MID-IBTI LM5017MRX 45 uH 1.5 W

750314462
Wurth Elektronik
1: 4,10 €
104In Stock

Mfr. Part No.
750314462

Mouser Part No
710-750314462

Wurth Elektronik

Power Transformers MID-IBTI LM5017MRX 45 uH 1.5 W

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Datasheet

104In Stock

Cut Tape

4,10 €

3,79 €

3,45 €

3,14 €

Reel

2,86 €

2,59 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

1.5 W

16 V to 36 V

5 V, 12 V, - 12 V

SMD/SMT

Power Transformers MID-FLYLT 9-36V 50-200kHz

750315832
Wurth Elektronik
1: 2,12 €
372In Stock

Mfr. Part No.
750315832

Mouser Part No
710-750315832

Wurth Elektronik

Power Transformers MID-FLYLT 9-36V 50-200kHz

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Datasheet

372In Stock

Cut Tape

2,12 €

2,00 €

1,87 €

1,69 €

Reel

1,55 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

1.5 W

9 V to 36 V

100 V

SMD/SMT

Power Transformers WE-FB LT3573 15 uH 1 W

750370042
Wurth Elektronik
1: 6,80 €
55In Stock

Mfr. Part No.
750370042

Mouser Part No
710-750370042

Wurth Elektronik

Power Transformers WE-FB LT3573 15 uH 1 W

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Datasheet

55In Stock

Cut Tape

6,80 €

6,37 €

6,10 €

5,54 €

4,99 €

Reel

4,99 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

1 W

5 V

5 V, 5 V

SMD/SMT

Power Transformers WE-FB LT3748 12 uH 31.2 W

750311608
Wurth Elektronik
1: 6,97 €
244In Stock

Mfr. Part No.
750311608

Mouser Part No
710-750311608

Wurth Elektronik

Power Transformers WE-FB LT3748 12 uH 31.2 W

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Datasheet

244In Stock

Cut Tape

6,97 €

6,29 €

6,03 €

5,84 €

Reel

5,60 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

31.2 W

30 V to 75 V

24 V

SMD/SMT

Power Transformers MID-FLYLT LT8302 12 uH 6 W

750313460
Wurth Elektronik
1: 3,05 €
427In Stock

Mfr. Part No.
750313460

Mouser Part No
710-750313460

Wurth Elektronik

Power Transformers MID-FLYLT LT8302 12 uH 6 W

Learn More

Datasheet

427In Stock

Cut Tape

3,05 €

2,76 €

2,65 €

2,57 €

Reel

2,39 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

6 W

4 V to 8 V

5 V

SMD/SMT

Power Transformers MID-FLYLT LT8300 350 uH 2.1 W

750311838
Wurth Elektronik
1: 4,95 €
988In Stock

Mfr. Part No.
750311838

Mouser Part No
710-750311838

Wurth Elektronik

Power Transformers MID-FLYLT LT8300 350 uH 2.1 W

Learn More

Datasheet

988In Stock

Cut Tape

4,95 €

4,58 €

4,16 €

3,78 €

Reel

3,44 €

3,12 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

2.1 W

36 V to 72 V

15 V, 15 V

SMD/SMT

Power Transformers WE-FB LT3748 100 uH 12 W

750311424
Wurth Elektronik
1: 6,97 €
163In Stock

Mfr. Part No.
750311424

Mouser Part No
710-750311424

Wurth Elektronik

Power Transformers WE-FB LT3748 100 uH 12 W

Learn More

Datasheet

163In Stock

Cut Tape

6,97 €

6,29 €

6,03 €

5,84 €

Reel

5,43 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

12 W

36 V

12 V

SMD/SMT

Power Transformers WE-FB LT3573 25 uH 9.6 W

750310562
Wurth Elektronik
1: 6,30 €
272In Stock

Mfr. Part No.
750310562

Mouser Part No
710-750310562

Wurth Elektronik

Power Transformers WE-FB LT3573 25 uH 9.6 W

Learn More

Datasheet

272In Stock

Cut Tape

6,30 €

5,83 €

5,59 €

5,42 €

Reel

4,27 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

9.6 W

18 V to 30 V

12 V

SMD/SMT

Power Transformers WE-FB LT3748 15 uH 30 W

750311605
Wurth Elektronik
1: 5,97 €
125In Stock

Mfr. Part No.
750311605

Mouser Part No
710-750311605

Wurth Elektronik

Power Transformers WE-FB LT3748 15 uH 30 W

Learn More

Datasheet

125In Stock

Cut Tape

5,97 €

5,96 €

5,95 €

5,94 €

Reel

5,13 €

5,12 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

30 W

30 V to 75 V

5 V

SMD/SMT

Power Transformers WE-FB LT3573 30 uH 5 W

750370047
Wurth Elektronik
1: 6,80 €
1 217Expected 16/04/2026

Mfr. Part No.
750370047

Mouser Part No
710-750370047

Wurth Elektronik

Power Transformers WE-FB LT3573 30 uH 5 W

Learn More

Datasheet

1 217Expected 16/04/2026

Cut Tape

6,80 €

6,37 €

6,10 €

5,54 €

4,99 €

Reel

4,99 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

5 W

10 V to 30 V

5 V

SMD/SMT

Power Transformers MID-FLYLT LT8304

750315839
Wurth Elektronik
1: 4,86 €
188In Stock

Mfr. Part No.
750315839

Mouser Part No
710-750315839

Wurth Elektronik

Power Transformers MID-FLYLT LT8304

Datasheet

188In Stock

Cut Tape

4,86 €

4,52 €

4,25 €

3,98 €

3,72 €

Reel

3,35 €

Min.: 1
Mult.: 1

Reel: 200

Power Transformers WE-FB LT3573 25 uH 9.6 W

750310563
Wurth Elektronik
1: 6,30 €
433In Stock

Mfr. Part No.
750310563

Mouser Part No
710-750310563

Wurth Elektronik

Power Transformers WE-FB LT3573 25 uH 9.6 W

Learn More

Datasheet

433In Stock

Cut Tape

6,30 €

5,83 €

5,59 €

5,42 €

Reel

5,08 €

View

Min.: 1
Mult.: 1

Reel: 200

9.6 W

18 V to 30 V

12 V

SMD/SMT

Power Transformers WE-FB LT3573 25 uH 5.6 W

750310799
Wurth Elektronik
1: 6,05 €
305In Stock
1 200On Order

Mfr. Part No.
750310799

Mouser Part No
710-750310799

Wurth Elektronik

Power Transformers WE-FB LT3573 25 uH 5.6 W

Learn More

Datasheet

305In Stock

1 200On Order

Cut Tape

6,05 €

5,67 €

5,42 €

4,93 €

Reel

4,43 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

5.6 W

18 V to 30 V

15 V

SMD/SMT

Power Transformers WE-FB LT3574 3 uH 12 W

750311308
Wurth Elektronik
1: 7,31 €
425In Stock

Mfr. Part No.
750311308

Mouser Part No
710-750311308

Wurth Elektronik

Power Transformers WE-FB LT3574 3 uH 12 W

Learn More

Datasheet

425In Stock

Cut Tape

7,31 €

6,85 €

6,54 €

5,95 €

Reel

5,36 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

12 W

36 V

24 V

SMD/SMT

Power Transformers WE-FB LT3748 8 uH 45 W

750311591
Wurth Elektronik
1: 12,35 €
231In Stock

Mfr. Part No.
750311591

Mouser Part No
710-750311591

Wurth Elektronik

Power Transformers WE-FB LT3748 8 uH 45 W

Learn More

Datasheet

231In Stock

Cut Tape

12,35 €

11,57 €

11,07 €

Reel

10,06 €

9,06 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

45 W

20 V to 48 V

15 V

SMD/SMT

Power Transformers WE-FB LT3748 400 uH 45 W

750311771
Wurth Elektronik
1: 12,35 €
1 192In Stock

Mfr. Part No.
750311771

Mouser Part No
710-750311771

Wurth Elektronik

Power Transformers WE-FB LT3748 400 uH 45 W

Learn More

Datasheet

1 192In Stock

Cut Tape

12,35 €

11,57 €

11,07 €

Reel

10,06 €

9,06 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

45 W

157 V to 629 VAC

15 V

SMD/SMT

Power Transformers MID-FLYLT LT8302 9 uH 9 W

750313443
Wurth Elektronik
1: 3,56 €
1 376In Stock

Mfr. Part No.
750313443

Mouser Part No
710-750313443

Wurth Elektronik

Power Transformers MID-FLYLT LT8302 9 uH 9 W

Learn More

Datasheet

1 376In Stock

Cut Tape

3,56 €

3,29 €

2,99 €

2,72 €

Reel

2,48 €

2,24 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

9 W

8 V to 32 V

12 V, 12 V

SMD/SMT

WE-FB Flyback Transformers

Types of Transformers

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100 mW
150 mW
300 mW
600 mW
700 mW
800 mW
1 W
1.1 W
1.2 W
1.3 W
1.4 W
1.5 W
1.6 W
1.7 W
1.8 W
1.9 W
2 W
2.1 W
2.3 W
2.5 W

2 V to 5.5 V
2.5 V to 3.5 V
3 V to 24 V
3 V to 6 V
4 V to 8 V
5 V
5 V to 32 V
6 V to 12.6 V
7 V to 26 V
8 V to 15 V
8 V to 24 V
8 V to 28 V
8 V to 32 V
8 V to 40 V
8 V to 70 V
9 V to 15 V
9 V to 16 V
9 V to 18 V
9 V to 30 V
9 V to 36 V

- 17.5 V, 17.5 V
3.3 V
3.3 V, 3.3 V
5 V
5 V, - 5 V
5 V, 12 V, - 12 V
5 V, 15 V, 15 V
5 V, 5 V
5 V, 7.5 V, 10 V
7 V
7 V, 5 V, - 5 V, - 7 V
9 V
9 V, 16 V, 9 V, 16 V
10 V
10 V, 5 V
10 V, 5 V, - 5 V, - 10 V
12 V
12 V, 12 V
12 V, 12 V, - 5 V, - 5 V
12.7 V, 12.7 V