.hide-partial { max-height: none; } .show-more { display: none; }

WE-FB Series Transformers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Transformers

List Images

Results: 104

Applied Filters:

Series = WE-FB

Power Rating

Primary Voltage Rating

Secondary Voltage Rating

Mounting Style

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

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 LT3575 9 uH 13.2 W

750311625
Wurth Elektronik
1: £8.80
321In Stock

Mfr. Part No.
750311625

Mouser Part No
710-750311625

Wurth Elektronik

Power Transformers WE-FB LT3575 9 uH 13.2 W

Learn More

Datasheet

321In Stock

Cut Tape

£8.80

£8.24

£7.88

£7.17

Reel

£6.45

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

13.2 W

10 V to 40 V

3.3 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 WE-FB LT3748 9.07 uH 15 W

750311564
Wurth Elektronik
1: £7.26
1,757In Stock
800Expected 23/03/2026

Mfr. Part No.
750311564

Mouser Part No
710-750311564

Wurth Elektronik

Power Transformers WE-FB LT3748 9.07 uH 15 W

Learn More

Datasheet

1,757In Stock

800Expected 23/03/2026

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 LT3573 30uH 5 W

750370040
Wurth Elektronik
1: £5.28
386In Stock

Mfr. Part No.
750370040

Mouser Part No
710-750370040

Wurth Elektronik

Power Transformers WE-FB LT3573 30uH 5 W

Learn More

Datasheet

386In Stock

Cut Tape

£5.28

£4.95

£4.73

£4.30

Reel

£3.87

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

5 W

18 V to 30 V

5 V

SMD/SMT

Power Transformers WE-FB LT3750 10 uH 36 W

750032050
Wurth Elektronik
1: £3.86
270In Stock

Mfr. Part No.
750032050

Mouser Part No
710-750032050

Wurth Elektronik

Power Transformers WE-FB LT3750 10 uH 36 W

Learn More

Datasheet

270In Stock

Cut Tape

£3.86

£3.81

£3.57

£3.21

Reel

£3.21

£2.85

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

36 W

3 V to 24 V

300 V

SMD/SMT

Power Transformers WE-FB LT3751 FLYBK TRANSFORMER EDF20 10 uH

750032051
Wurth Elektronik
1: £8.14
375In Stock

Mfr. Part No.
750032051

Mouser Part No
710-750032051

Wurth Elektronik

Power Transformers WE-FB LT3751 FLYBK TRANSFORMER EDF20 10 uH

Learn More

Datasheet

375In Stock

Cut Tape

£8.14

£7.63

£7.29

Reel

£6.63

£5.97

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

SMD/SMT

Power Transformers WE-FB LT3751 2.5 uH 127.5 W

750310355
Wurth Elektronik
1: £9.68
35In Stock

Mfr. Part No.
750310355

Mouser Part No
710-750310355

Wurth Elektronik

Power Transformers WE-FB LT3751 2.5 uH 127.5 W

Learn More

Datasheet

35In Stock

£9.68

£9.07

£8.67

£7.88

£7.10

Min.: 1
Mult.: 1

127.5 W

24 V

75 V

Through Hole

Power Transformers WE-FB LT3748 4.5 uH 36 W

750310617
Wurth Elektronik
1: £8.80
137In Stock

Mfr. Part No.
750310617

Mouser Part No
710-750310617

Wurth Elektronik

Power Transformers WE-FB LT3748 4.5 uH 36 W

Learn More

Datasheet

137In Stock

Cut Tape

£8.80

£8.24

£7.88

Reel

£7.17

£6.45

MouseReel Available

Min.: 1
Mult.: 1

Reel: 120

36 W

9 V to 36 V

12 V

SMD/SMT

Power Transformers WE-FB LT3748 100 uH 800 mW

750311486
Wurth Elektronik
1: £2.72
212In Stock
200Expected 26/03/2026

Mfr. Part No.
750311486

Mouser Part No
710-750311486

Wurth Elektronik

Power Transformers WE-FB LT3748 100 uH 800 mW

Learn More

Datasheet

212In Stock

200Expected 26/03/2026

Cut Tape

£2.72

£2.51

£2.44

£2.39

Reel

£2.31

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

800 mW

12 V

200 V, - 200 V

SMD/SMT

Power Transformers WE-FB LT3748 8 uH 45.6 W

750311590
Wurth Elektronik
1: £9.90
39In Stock

Mfr. Part No.
750311590

Mouser Part No
710-750311590

Wurth Elektronik

Power Transformers WE-FB LT3748 8 uH 45.6 W

Learn More

Datasheet

39In Stock

Cut Tape

£9.90

£9.27

£8.88

Reel

£8.07

£7.26

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

45.6 W

20 V to 48 V

12 V

SMD/SMT

Power Transformers WE-FB LT3748 8 uH 45.6 W

750311592
Wurth Elektronik
1: £6.90
199In Stock

Mfr. Part No.
750311592

Mouser Part No
710-750311592

Wurth Elektronik

Power Transformers WE-FB LT3748 8 uH 45.6 W

Learn More

Datasheet

199In Stock

Cut Tape

£6.90

£6.22

£5.96

£5.78

Reel

£5.60

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

45.6 W

20 V to 48 V

24 V

SMD/SMT

Power Transformers WE-FB LT3748 80 uH 300 mW

750311692
Wurth Elektronik
1: £4.41
431In Stock

Mfr. Part No.
750311692

Mouser Part No
710-750311692

Wurth Elektronik

Power Transformers WE-FB LT3748 80 uH 300 mW

Learn More

Datasheet

431In Stock

Cut Tape

£4.41

£4.13

£3.95

£3.59

Reel

£3.23

MouseReel Available

Min.: 1
Mult.: 1

Reel: 350

300 mW

8 V to 15 V

150 V, - 150 V

SMD/SMT

Power Transformers WE-FB LT3751 10 uH

750032052
Wurth Elektronik
1: £3.54
785In Stock
250Expected 26/02/2026

Mfr. Part No.
750032052

Mouser Part No
710-750032052

Wurth Elektronik

Power Transformers WE-FB LT3751 10 uH

Learn More

Datasheet

785In Stock

250Expected 26/02/2026

Cut Tape

£3.54

£3.20

£3.07

£2.98

Reel

£2.85

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

SMD/SMT

Power Transformers WE-FB LT3751 5 uH 75 W

750310349
Wurth Elektronik
1: £9.68
76In Stock

Mfr. Part No.
750310349

Mouser Part No
710-750310349

Wurth Elektronik

Power Transformers WE-FB LT3751 5 uH 75 W

Learn More

Datasheet

76In Stock

£9.68

£9.07

£8.67

£7.88

£7.10

Min.: 1
Mult.: 1

75 W

24 V

300 V

Through Hole

Power Transformers WE-FB LT3573 25 uH 10 W

750310471
Wurth Elektronik
1: £5.50
118In Stock

Mfr. Part No.
750310471

Mouser Part No
710-750310471

Wurth Elektronik

Power Transformers WE-FB LT3573 25 uH 10 W

Learn More

Datasheet

118In Stock

Cut Tape

£5.50

£5.15

£4.92

£4.48

Reel

£4.03

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

10 W

9 V to 30 V

5 V

SMD/SMT

Power Transformers WE-FB LT3748 14 uH 40 W

750310988
Wurth Elektronik
1: £10.78
85In Stock

Mfr. Part No.
750310988

Mouser Part No
710-750310988

Wurth Elektronik

Power Transformers WE-FB LT3748 14 uH 40 W

Learn More

Datasheet

85In Stock

Cut Tape

£10.78

£10.10

£9.66

Reel

£8.78

£7.91

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

40 W

12 V

48 V

SMD/SMT

Power Transformers WE-FB LT3575 15 uH 15 W

750311342
Wurth Elektronik
1: £7.93
232In Stock

Mfr. Part No.
750311342

Mouser Part No
710-750311342

Wurth Elektronik

Power Transformers WE-FB LT3575 15 uH 15 W

Learn More

Datasheet

232In Stock

Cut Tape

£7.93

£7.43

£7.11

£6.46

Reel

£5.81

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

15 W

36 V

5 V

SMD/SMT

Power Transformers WE-FB LT3748 50 uH 20 W

750311457
Wurth Elektronik
1: £5.71
265In Stock

Mfr. Part No.
750311457

Mouser Part No
710-750311457

Wurth Elektronik

Power Transformers WE-FB LT3748 50 uH 20 W

Learn More

Datasheet

265In Stock

Cut Tape

£5.71

£5.15

£4.95

£4.79

Reel

£4.50

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

20 W

36 V

5 V

SMD/SMT

Power Transformers WE-FB LT3748 14 uH 30 W

750311607
Wurth Elektronik
1: £6.09
85In Stock
250Expected 12/03/2026

Mfr. Part No.
750311607

Mouser Part No
710-750311607

Wurth Elektronik

Power Transformers WE-FB LT3748 14 uH 30 W

Learn More

Datasheet

85In Stock

250Expected 12/03/2026

Cut Tape

£6.09

£5.60

£5.40

£5.29

Reel

£5.14

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

30 W

30 V to 75 V

12 V

SMD/SMT

Power Transformers WE-FB LT3748 9 uH 15 W

750311624
Wurth Elektronik
1: £7.26
54In Stock

Mfr. Part No.
750311624

Mouser Part No
710-750311624

Wurth Elektronik

Power Transformers WE-FB LT3748 9 uH 15 W

Learn More

Datasheet

54In Stock

Cut Tape

£7.26

£6.81

£6.51

£5.93

Reel

£5.33

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

15 W

10 V to 40 V

15 V

SMD/SMT

Power Transformers WE-FB LT3748 100 uH 800 mW

750311681
Wurth Elektronik
1: £2.83
418In Stock

Mfr. Part No.
750311681

Mouser Part No
710-750311681

Wurth Elektronik

Power Transformers WE-FB LT3748 100 uH 800 mW

Learn More

Datasheet

418In Stock

Cut Tape

£2.83

£2.56

£2.46

£2.38

Reel

£2.23

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

800 mW

12 V

200 V, - 200 V

SMD/SMT

Power Transformers WE-FB LT3748 20 uH 60 W

750311783
Wurth Elektronik
1: £6.70
25In Stock
2,100Expected 21/05/2026

Mfr. Part No.
750311783

Mouser Part No
710-750311783

Wurth Elektronik

Power Transformers WE-FB LT3748 20 uH 60 W

Learn More

Datasheet

25In Stock

2,100Expected 21/05/2026

Cut Tape

£6.70

£6.11

£5.88

£5.74

Reel

£5.60

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

60 W

19 V to 70 V

24 V

SMD/SMT

Power Transformers WE-FB LT3748 14 uH 30 W

750311797
Wurth Elektronik
1: £9.91
166In Stock

Mfr. Part No.
750311797

Mouser Part No
710-750311797

Wurth Elektronik

Power Transformers WE-FB LT3748 14 uH 30 W

Learn More

Datasheet

166In Stock

Cut Tape

£9.91

£9.28

£8.88

Reel

£8.08

£7.26

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

30 W

18 V to 100 V

12 V

SMD/SMT

Power Transformers WE-FB LT3748 37 uH 25 W

750311889
Wurth Elektronik
1: £7.48
91In Stock

Mfr. Part No.
750311889

Mouser Part No
710-750311889

Wurth Elektronik

Power Transformers WE-FB LT3748 37 uH 25 W

Learn More

Datasheet

91In Stock

Cut Tape

£7.48

£7.00

£6.70

Reel

£6.08

£5.48

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

25 W

28 V

250 V

SMD/SMT

WE-FB Series Transformers

Types of Transformers

Customer Service Office

Company

Resources

Support

150 mW
300 mW
800 mW
1 W
2.5 W
3.3 W
3.6 W
4.3 W
5 W
5.6 W
6 W
6.24 W
7.5 W
9 W
9.2 W
9.6 W
9.9 W
10 W
12 W
13.2 W

2 V to 5.5 V
3 V to 24 V
5 V
5 V to 32 V
6 V to 12.6 V
8 V to 15 V
8 V to 24 V
8 V to 70 V
9 V to 16 V
9 V to 30 V
9 V to 36 V
10 V
10 V to 30 V
10 V to 40 V
12 V
12 V to 30 V
15 V
16 V to 24 V
18 V to 100 V
18 V to 30 V

3.3 V
5 V
5 V, - 5 V
5 V, 5 V
12 V
13 V
15 V
15 V, 15 V
15 V, 15 V, 15 V, 15 V
20 V
24 V
28 V
30 V
48 V
50 V to 150 V
75 V
100 V
146 V
150 V
150 V, - 150 V