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WE-FB Series Transformers

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Series = WE-FB

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Part #

Power Transformers WE-FB LT3748 8 uH 30 W

750311599
Wurth Elektronik
1: $8.58
335In Stock

Mfr. Part No.
750311599

Mouser Part No
710-750311599

Wurth Elektronik

Power Transformers WE-FB LT3748 8 uH 30 W

Learn More

Datasheet

335In Stock

Cut Tape

$8.58

$7.74

$7.42

$7.19

Reel

$6.89

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

30 W

20 V to 48 V

15 V

SMD/SMT

Power Transformers WE-FB LT3748 50 uH 20 W

750311423
Wurth Elektronik
1: $8.10
385In Stock

Mfr. Part No.
750311423

Mouser Part No
710-750311423

Wurth Elektronik

Power Transformers WE-FB LT3748 50 uH 20 W

Learn More

Datasheet

385In Stock

Cut Tape

$8.10

$7.31

$7.01

$6.80

Reel

$6.37

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

20 W

36 V

5 V

SMD/SMT

Power Transformers WE-FB LT3748 15 uH 13.2 W

750311458
Wurth Elektronik
1: $8.10
312In Stock

Mfr. Part No.
750311458

Mouser Part No
710-750311458

Wurth Elektronik

Power Transformers WE-FB LT3748 15 uH 13.2 W

Learn More

Datasheet

312In Stock

Cut Tape

$8.10

$7.31

$7.01

$6.86

Reel

$6.53

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

13.2 W

36 V

3.3 V

SMD/SMT

Power Transformers WE-FB LT3574 3 uH 12 W

750311308
Wurth Elektronik
1: $8.50
422In Stock

Mfr. Part No.
750311308

Mouser Part No
710-750311308

Wurth Elektronik

Power Transformers WE-FB LT3574 3 uH 12 W

Learn More

Datasheet

422In Stock

Cut Tape

$8.50

$7.96

$7.61

$6.92

Reel

$6.23

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

12 W

36 V

24 V

SMD/SMT

Power Transformers WE-FB LT3573 63 uH 10 W

750310564
Wurth Elektronik
1: $7.32
371In Stock

Mfr. Part No.
750310564

Mouser Part No
710-750310564

Wurth Elektronik

Power Transformers WE-FB LT3573 63 uH 10 W

Learn More

Datasheet

371In Stock

Cut Tape

$7.32

$6.78

$6.50

$6.30

Reel

$5.37

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

10 W

12 V to 30 V

5 V, - 5 V

SMD/SMT

Power Transformers WE-FB LT3748 60 uH 150 mW

750311691
Wurth Elektronik
1: $3.16
686In Stock

Mfr. Part No.
750311691

Mouser Part No
710-750311691

Wurth Elektronik

Power Transformers WE-FB LT3748 60 uH 150 mW

Learn More

Datasheet

686In Stock

Cut Tape

$3.16

$3.01

$2.95

$2.92

Reel

$2.82

$2.69

MouseReel Available

Min.: 1
Mult.: 1

Reel: 800

150 mW

8 V to 15 V

150 V

SMD/SMT

Power Transformers WE-FB LT3511 200 uH 45 W

750311963
Wurth Elektronik
1: $3.38
888In Stock

Mfr. Part No.
750311963

Mouser Part No
710-750311963

Wurth Elektronik

Power Transformers WE-FB LT3511 200 uH 45 W

Learn More

Datasheet

888In Stock

$3.38

$3.06

$2.94

$2.85

View

Min.: 1
Mult.: 1

45 W

8 V to 70 V

50 V to 150 V

SMD/SMT

Power Transformers WE-FB LT3573 25 uH 6 W

750370058
Wurth Elektronik
1: $7.01
359In Stock

Mfr. Part No.
750370058

Mouser Part No
710-750370058

Wurth Elektronik

Power Transformers WE-FB LT3573 25 uH 6 W

Learn More

Datasheet

359In Stock

Cut Tape

$7.01

$6.33

$6.07

$5.88

Reel

$5.34

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

6 W

10 V to 30 V

15 V

SMD/SMT

Power Transformers WE-FB LT3748 6 uH 45 W

750311589
Wurth Elektronik
1: $7.17
326In Stock

Mfr. Part No.
750311589

Mouser Part No
710-750311589

Wurth Elektronik

Power Transformers WE-FB LT3748 6 uH 45 W

Learn More

Datasheet

326In Stock

Cut Tape

$7.17

$7.16

$7.15

$7.14

Reel

$6.19

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

45 W

20 V to 48 V

5 V

SMD/SMT

Power Transformers WE-FB LT3748 8 uH 31.2 W

750311604
Wurth Elektronik
1: $6.78
684In Stock

Mfr. Part No.
750311604

Mouser Part No
710-750311604

Wurth Elektronik

Power Transformers WE-FB LT3748 8 uH 31.2 W

Learn More

Datasheet

684In Stock

Cut Tape

$6.78

$6.44

$6.32

$6.23

Reel

$6.09

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

31.2 W

20 V to 48 V

24 V

SMD/SMT

Power Transformers WE-FB LT3748 100 uH 12 W

750311456
Wurth Elektronik
1: $11.72
150In Stock

Mfr. Part No.
750311456

Mouser Part No
710-750311456

Wurth Elektronik

Power Transformers WE-FB LT3748 100 uH 12 W

Learn More

Datasheet

150In Stock

Cut Tape

$11.72

$10.98

$10.50

$9.55

Reel

$8.59

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

12 W

36 V

12 V

SMD/SMT

Power Transformers WE-FB LT3748 15 uH 30 W

750311385
Wurth Elektronik
1: $8.09
238In Stock

Mfr. Part No.
750311385

Mouser Part No
710-750311385

Wurth Elektronik

Power Transformers WE-FB LT3748 15 uH 30 W

Learn More

Datasheet

238In Stock

Cut Tape

$8.09

$7.71

$7.35

$7.16

Reel

$6.89

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

30 W

18 V to 60 V

13 V

SMD/SMT

Power Transformers WE-FB LT3748 15 uH 45.6 W

750311594
Wurth Elektronik
1: $14.36
117In Stock

Mfr. Part No.
750311594

Mouser Part No
710-750311594

Wurth Elektronik

Power Transformers WE-FB LT3748 15 uH 45.6 W

Learn More

Datasheet

117In Stock

Cut Tape

$14.36

$13.45

$12.87

Reel

$7.72

$6.43

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

45.6 W

30 V to 75 V

12 V

SMD/SMT

Power Transformers WE-FB LT3748 12 uH 30 W

750311600
Wurth Elektronik
1: $11.72
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

$11.72

$10.98

$10.50

Reel

$9.55

$8.59

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

30 W

30 V to 75 V

15 V

SMD/SMT

Power Transformers WE-FB LT3575 7 uH 15 W

750311567
Wurth Elektronik
1: $9.67
143In Stock

Mfr. Part No.
750311567

Mouser Part No
710-750311567

Wurth Elektronik

Power Transformers WE-FB LT3575 7 uH 15 W

Learn More

Datasheet

143In Stock

Cut Tape

$9.67

$9.06

$8.66

$7.88

Reel

$7.09

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: $6.63
188In Stock

Mfr. Part No.
750311856

Mouser Part No
710-750311856

Wurth Elektronik

Power Transformers WE-FB LT3748 3.8 uH 9 W

Learn More

Datasheet

188In Stock

Cut Tape

$6.63

$5.99

$5.75

$5.57

Reel

$4.17

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

Power Transformers WE-FB Flyback 5uH 500VAC

750311268
Wurth Elektronik
1: $2.55
32In Stock

Mfr. Part No.
750311268

Mouser Part No
710-750311268

Wurth Elektronik

Power Transformers WE-FB Flyback 5uH 500VAC

Learn More

Datasheet

32In Stock

Cut Tape

$2.55

$2.52

$2.36

$2.12

Reel

$2.12

$1.89

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

5 W

9 V to 16 V

100 V

SMD/SMT

Power Transformers WE-FB LT3573 25 uH 9.6 W

750310562
Wurth Elektronik
1: $7.33
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

$7.33

$6.78

$6.50

$6.30

Reel

$4.97

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 12 uH 31.2 W

750311608
Wurth Elektronik
1: $8.10
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

$8.10

$7.31

$7.01

$6.79

Reel

$6.51

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

31.2 W

30 V to 75 V

24 V

SMD/SMT

Power Transformers WE-FB LT3748 100 uH 12 W

750311424
Wurth Elektronik
1: $8.10
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

$8.10

$7.31

$7.01

$6.79

Reel

$6.31

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

12 W

36 V

12 V

SMD/SMT

Power Transformers WE-FB LT3748 15 uH 30 W

750311605
Wurth Elektronik
1: $6.94
87In Stock

Mfr. Part No.
750311605

Mouser Part No
710-750311605

Wurth Elektronik

Power Transformers WE-FB LT3748 15 uH 30 W

Learn More

Datasheet

87In Stock

Cut Tape

$6.94

$6.93

$6.92

$6.91

Reel

$5.97

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

30 W

30 V to 75 V

5 V

SMD/SMT

Power Transformers WE-FB LT3573 25 uH 9.6 W

750310563
Wurth Elektronik
1: $7.32
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

$7.32

$6.78

$6.50

$6.30

Reel

$5.91

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: $7.03
692In Stock
600Expected 03/03/2026

Mfr. Part No.
750310799

Mouser Part No
710-750310799

Wurth Elektronik

Power Transformers WE-FB LT3573 25 uH 5.6 W

Learn More

Datasheet

692In Stock

600Expected 03/03/2026

Cut Tape

$7.03

$6.59

$6.30

$5.73

Reel

$5.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

5.6 W

18 V to 30 V

15 V

SMD/SMT

Power Transformers WE-FB LT3748 8 uH 45 W

750311591
Wurth Elektronik
1: $14.36
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

$14.36

$13.45

$12.87

Reel

$11.70

$10.53

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: $11.72
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

$11.72

$10.98

$10.50

$9.55

Reel

$8.59

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

13.2 W

10 V to 40 V

3.3 V

SMD/SMT

WE-FB Series Transformers

Types of Transformers

Customer Service Office

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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