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 - Board Mount WE-FB LT3575 25 uH 10 W

750311675
Wurth Elektronik
1: £6.53
745In Stock

Mfr. Part No.
750311675

Mouser Part No
710-750311675

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3575 25 uH 10 W

Learn More

Datasheet

745In Stock

Cut Tape

£6.53

£6.03

Reel

£4.15

MouseReel Available

Min.: 1
Mult.: 1

: 250

10 W

9 V to 30 V

5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 6.6 W

750313439
Wurth Elektronik
1: £3.11
964In Stock

Mfr. Part No.
750313439

Mouser Part No
710-750313439

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 6.6 W

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Datasheet

964In Stock

Cut Tape

£3.11

£2.87

Reel

£2.17

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 250

6.6 W

8 V to 40 V

3.3 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W

750311659
Wurth Elektronik
1: £2.49
1,400In Stock

Mfr. Part No.
750311659

Mouser Part No
710-750311659

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W

Learn More

Datasheet

1,400In Stock

Cut Tape

£2.49

£2.30

Reel

£1.77

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 300

1.9 W

36 V to 72 V

24 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT3798 14 uH 112 W

750312872
Wurth Elektronik
1: £21.40
919In Stock

Mfr. Part No.
750312872

Mouser Part No
710-750312872

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT3798 14 uH 112 W

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Datasheet

919In Stock

£21.40

£19.76

£13.58

Min.: 1
Mult.: 1

112 W

20 V to 60 V

28 V

Through Hole

Power Transformers - Board Mount WE-FB LT3748 20 uH 60 W

750311783
Wurth Elektronik
1: £10.78
1,892In Stock

Mfr. Part No.
750311783

Mouser Part No
710-750311783

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 20 uH 60 W

Learn More

Datasheet

1,892In Stock

Cut Tape

£10.78

£10.10

£9.66

Reel

£8.78

£7.91

MouseReel Available

Min.: 1
Mult.: 1

: 100

60 W

19 V to 70 V

24 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3573 30 uH 5 W

750370047
Wurth Elektronik
1: £2.94
1,423In Stock

Mfr. Part No.
750370047

Mouser Part No
710-750370047

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 30 uH 5 W

Learn More

Datasheet

1,423In Stock

Cut Tape

£2.94

Reel

£2.94

MouseReel Available

Min.: 1
Mult.: 1

: 400

5 W

10 V to 30 V

5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 2.9 W

750315830
Wurth Elektronik
1: £1.85
1,810In Stock

Mfr. Part No.
750315830

Mouser Part No
710-750315830

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 2.9 W

Learn More

Datasheet

1,810In Stock

Cut Tape

£1.85

£1.75

£1.48

Reel

£1.35

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

2.9 W

36 V to 72 V

48 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 6.78 uH 12 W

750311911
Wurth Elektronik
1: £7.92
283In Stock

Mfr. Part No.
750311911

Mouser Part No
710-750311911

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 6.78 uH 12 W

Learn More

Datasheet

283In Stock

£7.92

£7.42

£7.10

£6.45

£5.81

Min.: 1
Mult.: 1

12 W

8 V to 24 V

15 V, 15 V, 15 V, 15 V

Through Hole

Power Transformers - Board Mount MID-IBTI LM5017 26 uH 1.6 W

750312924
Wurth Elektronik
1: £2.55
1,816In Stock

Mfr. Part No.
750312924

Mouser Part No
710-750312924

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI LM5017 26 uH 1.6 W

Learn More

Datasheet

1,816In Stock

Cut Tape

£2.55

£2.43

£1.88

Reel

£1.88

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 925

1.6 W

36 V to 75 V

5 V, 10 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3573 25 uH 10 W

750310471
Wurth Elektronik
1: £5.50
317In Stock

Mfr. Part No.
750310471

Mouser Part No
710-750310471

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 25 uH 10 W

Learn More

Datasheet

317In Stock

Cut Tape

£5.50

£5.15

£4.92

£4.48

Reel

£4.03

MouseReel Available

Min.: 1
Mult.: 1

: 200

10 W

9 V to 30 V

5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 3.6 W

750312365
Wurth Elektronik
1: £2.66
1,325In Stock

Mfr. Part No.
750312365

Mouser Part No
710-750312365

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 3.6 W

Learn More

Datasheet

1,325In Stock

Cut Tape

£2.66

£1.79

Reel

£1.79

MouseReel Available

Min.: 1
Mult.: 1

: 400

3.6 W

30 V to 72 V

12 V

SMD/SMT

Power Transformers - Board Mount MID-FLYMAX MAX17690 84 uH 3 W

750317236
Wurth Elektronik
1: £5.60
1,148In Stock

Mfr. Part No.
750317236

Mouser Part No
710-750317236

Wurth Elektronik

Power Transformers - Board Mount MID-FLYMAX MAX17690 84 uH 3 W

Learn More

Datasheet

1,148In Stock

Cut Tape

£5.60

£5.17

Reel

£5.17

£3.55

MouseReel Available

Min.: 1
Mult.: 1

: 300

3 W

18 V to 60 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3575 7 uH 15 W

750311567
Wurth Elektronik
1: £7.26
20In Stock
400Expected 27/08/2026

Mfr. Part No.
750311567

Mouser Part No
710-750311567

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3575 7 uH 15 W

Learn More

Datasheet

20In Stock

400Expected 27/08/2026

Cut Tape

£7.26

£6.80

£6.50

£5.92

Reel

£5.33

MouseReel Available

Min.: 1
Mult.: 1

: 200

15 W

10 V to 40 V

5 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 15 uH 45 W

750311593
Wurth Elektronik
1: £10.78
140In Stock

Mfr. Part No.
750311593

Mouser Part No
710-750311593

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 15 uH 45 W

Learn More

Datasheet

140In Stock

Cut Tape

£10.78

£10.10

Reel

£10.10

£7.91

MouseReel Available

Min.: 1
Mult.: 1

: 100

45 W

30 V to 75 V

5 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 3.8 uH 9 W

750311856
Wurth Elektronik
1: £3.78
71In Stock
200Expected 03/12/2026

Mfr. Part No.
750311856

Mouser Part No
710-750311856

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 3.8 uH 9 W

Learn More

Datasheet

71In Stock

200Expected 03/12/2026

Cut Tape

£3.78

£3.51

£3.25

£2.98

Reel

£2.71

£2.23

MouseReel Available

Min.: 1
Mult.: 1

: 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
92In Stock

Mfr. Part No.
750510348

Mouser Part No
710-750510348

Wurth Elektronik

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

Learn More

Datasheet

92In Stock

Cut Tape

£3.57

£3.53

£3.31

£2.98

Reel

£2.98

View

MouseReel Available

Min.: 1
Mult.: 1

: 350

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

750315832
Wurth Elektronik
1: £1.85
332In Stock

Mfr. Part No.
750315832

Mouser Part No
710-750315832

Wurth Elektronik

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

Learn More

Datasheet

332In Stock

Cut Tape

£1.85

£1.75

£1.48

Reel

£1.40

MouseReel Available

Min.: 1
Mult.: 1

: 400

1.5 W

9 V to 36 V

100 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 8 uH 45.6 W

750311590
Wurth Elektronik
1: £9.90
66In Stock
100Expected 06/08/2026

Mfr. Part No.
750311590

Mouser Part No
710-750311590

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 8 uH 45.6 W

Learn More

Datasheet

66In Stock

100Expected 06/08/2026

Cut Tape

£9.90

£9.27

Reel

£8.07

£7.26

MouseReel Available

Min.: 1
Mult.: 1

: 100

45.6 W

20 V to 48 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 12 uH 30 W

750311600
Wurth Elektronik
1: £8.80
114In Stock

Mfr. Part No.
750311600

Mouser Part No
710-750311600

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 12 uH 30 W

Learn More

Datasheet

114In Stock

Cut Tape

£8.80

£8.24

Reel

£8.24

£6.45

MouseReel Available

Min.: 1
Mult.: 1

: 125

30 W

30 V to 75 V

15 V

SMD/SMT

Power Transformers - Board Mount MID-IBTI LM5017MRX 45 uH 1.5 W

750314462
Wurth Elektronik
1: £3.58
98In Stock

Mfr. Part No.
750314462

Mouser Part No
710-750314462

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI LM5017MRX 45 uH 1.5 W

Learn More

Datasheet

98In Stock

Cut Tape

£3.58

£3.31

Reel

£2.50

MouseReel Available

Min.: 1
Mult.: 1

: 500

1.5 W

16 V to 36 V

- 12 V, 5 V, 12 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.5 W

750315834
Wurth Elektronik
1: £1.85
37In Stock

Mfr. Part No.
750315834

Mouser Part No
710-750315834

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.5 W

Learn More

Datasheet

37In Stock

Cut Tape

£1.85

£1.75

Reel

£1.35

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

3.5 W

36 V to 72 V

5 V, 5 V

SMD/SMT

Power Transformers - Board Mount MID-IBTI LM20242 66 uH 15.2 W

750342156
Wurth Elektronik
1: £3.81
189In Stock

Mfr. Part No.
750342156

Mouser Part No
710-750342156

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI LM20242 66 uH 15.2 W

Learn More

Datasheet

189In Stock

Cut Tape

£3.81

£3.52

£3.20

£2.92

Reel

£2.65

£2.40

MouseReel Available

Min.: 1
Mult.: 1

: 250

15.2 W

15 V to 40 V

12.7 V, 12.7 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 100 uH 12 W

750311456
Wurth Elektronik
1: £5.49
145In Stock

Mfr. Part No.
750311456

Mouser Part No
710-750311456

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 100 uH 12 W

Learn More

Datasheet

145In Stock

Cut Tape

£5.49

£5.10

Reel

£3.92

MouseReel Available

Min.: 1
Mult.: 1

: 200

12 W

36 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3573 50 uH 5 W

750370041
Wurth Elektronik
1: £3.51
287In Stock
900On Order

Mfr. Part No.
750370041

Mouser Part No
710-750370041

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 50 uH 5 W

Learn More

Datasheet

287In Stock

900On Order

Cut Tape

£3.51

£3.22

£3.06

£2.88

Reel

£2.71

£2.50

MouseReel Available

Min.: 1
Mult.: 1

: 300

5 W

18 V to 30 V

5 V

SMD/SMT

Power Transformers - Board Mount WE-FB Flyback 2.7uH 500VDC

750311088
Wurth Elektronik
1: £5.36
403In Stock

Mfr. Part No.
750311088

Mouser Part No
710-750311088

Wurth Elektronik

Power Transformers - Board Mount WE-FB Flyback 2.7uH 500VDC

Learn More

Datasheet

403In Stock

Cut Tape

£5.36

£4.95

£4.53

£4.12

Reel

£4.12

£3.40

MouseReel Available

Min.: 1
Mult.: 1

: 300

5 W

6 V to 12.6 V

100 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

- 200 V, 200 V
- 150 V, 150 V
- 17.5 V, 17.5 V
- 12 V, 12 V, 24 V
- 12 V, 5 V, 12 V
- 10 V, - 5 V, 5 V, 10 V
- 7 V, - 5 V, 5 V, 7 V
- 5 V, - 5 V, 12 V, 12 V
- 5 V, 5 V
- 5 V, 5 V, 15 V
- 5 V, 5 V, 24 V
3.3 V
3.3 V, 24 V
3.3 V, 3.3 V
5 V
5 V, 10 V
5 V, 15 V, 15 V
5 V, 5 V
5 V, 5 V, 14 V, 14 V
5 V, 5 V, 15 V, 15 V