Transformers – Mouser Denmark

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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: 55,80 kr.
745In Stock

Mfr. Part No.
750311675

Mouser Part No
710-750311675

Wurth Elektronik

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

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Datasheet

745In Stock

Cut Tape

55,80 kr.

51,55 kr.

Reel

35,44 kr.

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: 26,56 kr.
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

26,56 kr.

24,54 kr.

Reel

18,50 kr.

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: 21,26 kr.
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

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Datasheet

1.400In Stock

Cut Tape

21,26 kr.

19,69 kr.

Reel

15,14 kr.

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: 182,84 kr.
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

182,84 kr.

168,82 kr.

116,08 kr.

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: 92,13 kr.
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

92,13 kr.

86,31 kr.

82,58 kr.

Reel

75,05 kr.

67,59 kr.

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: 25,14 kr.
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

25,14 kr.

Reel

25,14 kr.

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: 15,82 kr.
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

15,82 kr.

14,92 kr.

12,61 kr.

Reel

11,56 kr.

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: 67,66 kr.
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

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Datasheet

283In Stock

67,66 kr.

63,41 kr.

60,65 kr.

55,13 kr.

49,61 kr.

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: 21,78 kr.
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

21,78 kr.

20,74 kr.

16,04 kr.

Reel

16,04 kr.

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: 47,00 kr.
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

47,00 kr.

44,01 kr.

42,07 kr.

38,27 kr.

Reel

34,47 kr.

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: 22,75 kr.
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

22,75 kr.

15,29 kr.

Reel

15,29 kr.

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: 47,89 kr.
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

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Datasheet

1.148In Stock

Cut Tape

47,89 kr.

44,16 kr.

Reel

44,16 kr.

30,36 kr.

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: 62,07 kr.
20In Stock
400Expected 20/08/2026

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 20/08/2026

Cut Tape

62,07 kr.

58,11 kr.

55,58 kr.

50,58 kr.

Reel

45,51 kr.

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: 92,13 kr.
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

92,13 kr.

86,31 kr.

Reel

86,31 kr.

67,59 kr.

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: 32,30 kr.
72In 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

72In Stock

200Expected 03/12/2026

Cut Tape

32,30 kr.

29,99 kr.

27,75 kr.

25,44 kr.

Reel

23,13 kr.

19,02 kr.

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: 30,51 kr.
92In 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

92In Stock

Cut Tape

30,51 kr.

30,14 kr.

28,27 kr.

25,44 kr.

Reel

25,44 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 350

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

750315832
Wurth Elektronik
1: 15,82 kr.
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

15,82 kr.

14,92 kr.

12,61 kr.

Reel

11,94 kr.

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: 84,60 kr.
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

84,60 kr.

79,23 kr.

Reel

68,93 kr.

62,07 kr.

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: 75,20 kr.
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

75,20 kr.

70,42 kr.

Reel

70,42 kr.

55,13 kr.

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: 30,59 kr.
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

30,59 kr.

28,27 kr.

Reel

21,34 kr.

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: 15,82 kr.
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

15,82 kr.

14,92 kr.

Reel

11,56 kr.

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: 32,53 kr.
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

32,53 kr.

30,06 kr.

27,38 kr.

24,92 kr.

Reel

22,68 kr.

20,52 kr.

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: 46,92 kr.
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

46,92 kr.

43,57 kr.

Reel

33,50 kr.

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: 29,99 kr.
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

29,99 kr.

27,53 kr.

26,11 kr.

24,62 kr.

Reel

23,13 kr.

21,34 kr.

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: 45,80 kr.
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

45,80 kr.

42,30 kr.

38,72 kr.

35,21 kr.

Reel

35,21 kr.

29,09 kr.

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