Transformers – Mouser United Kingdom

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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: £6.08
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

£6.08

£5.79

£5.52

£5.38

Reel

£5.18

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: £2.73
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

£2.73

£2.48

£2.37

£2.30

Reel

£2.12

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: £7.26
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

£7.26

£6.80

£6.50

£5.92

Reel

£5.33

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: £4.98
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

£4.98

£4.50

£4.32

£4.18

Reel

£3.13

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: £3.57
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

£3.57

£3.53

£3.31

£2.98

Reel

£2.98

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 350

Power Transformers MID-IBTI LM20242 66 uH 15.2 W

750342156
Wurth Elektronik
1: £3.81
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

£3.81

£3.52

£3.20

£2.92

Reel

£2.65

£2.40

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: £8.80
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

£8.80

£8.24

£7.88

Reel

£7.17

£6.45

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: £1.91
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

£1.91

£1.89

£1.77

£1.59

Reel

£1.59

£1.42

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: £3.58
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

£3.58

£3.31

£3.01

£2.74

Reel

£2.50

£2.26

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: £1.85
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

£1.85

£1.75

£1.63

£1.48

Reel

£1.35

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: £5.94
55In Stock

Mfr. Part No.
750370042

Mouser Part No
710-750370042

Wurth Elektronik

Power Transformers WE-FB LT3573 15 uH 1 W

Learn More

Datasheet

55In Stock

Cut Tape

£5.94

£5.56

£5.33

£4.84

£4.36

Reel

£4.36

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: £6.08
244In Stock

Mfr. Part No.
750311608

Mouser Part No
710-750311608

Wurth Elektronik

Power Transformers WE-FB LT3748 12 uH 31.2 W

Learn More

Datasheet

244In Stock

Cut Tape

£6.08

£5.49

£5.26

£5.10

Reel

£4.89

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: £2.66
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

£2.66

£2.41

£2.31

£2.24

Reel

£2.09

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: £4.32
988In Stock

Mfr. Part No.
750311838

Mouser Part No
710-750311838

Wurth Elektronik

Power Transformers MID-FLYLT LT8300 350 uH 2.1 W

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Datasheet

988In Stock

Cut Tape

£4.32

£4.00

£3.63

£3.30

Reel

£3.00

£2.72

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: £6.08
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

£6.08

£5.49

£5.26

£5.10

Reel

£4.74

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: £5.50
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

£5.50

£5.09

£4.88

£4.73

Reel

£3.73

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: £5.21
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

£5.21

£5.20

£5.19

Reel

£4.48

£4.47

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: £5.94
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

£5.94

£5.56

£5.33

£4.84

£4.36

Reel

£4.36

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: £4.24
188In Stock

Mfr. Part No.
750315839

Mouser Part No
710-750315839

Wurth Elektronik

Power Transformers MID-FLYLT LT8304

Datasheet

188In Stock

Cut Tape

£4.24

£3.95

£3.71

£3.47

£3.25

Reel

£2.92

Min.: 1
Mult.: 1

Reel: 200

Power Transformers WE-FB LT3573 25 uH 9.6 W

750310563
Wurth Elektronik
1: £5.50
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

£5.50

£5.09

£4.88

£4.73

Reel

£4.43

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: £5.28
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

£5.28

£4.95

£4.73

£4.30

Reel

£3.87

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: £6.38
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

£6.38

£5.98

£5.71

£5.19

Reel

£4.68

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: £10.78
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

£10.78

£10.10

£9.66

Reel

£8.78

£7.91

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: £10.78
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

£10.78

£10.10

£9.66

Reel

£8.78

£7.91

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: £3.11
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

£3.11

£2.87

£2.61

£2.37

Reel

£2.17

£1.96

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