Transformers – Mouser Singapore

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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 LT3748 4.5 uH 36 W

750310617
Wurth Elektronik
1: $14.29
16In Stock

Mfr. Part No.
750310617

Mouser Part No
710-750310617

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 4.5 uH 36 W

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Datasheet

16In Stock

Cut Tape

$14.29

$12.89

$12.38

$12.20

Reel

$11.97

View

MouseReel Available

Min.: 1
Mult.: 1

: 120

36 W

9 V to 36 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3573 25 uH 5.6 W

750310799
Wurth Elektronik
1: $4.65
137In Stock
1,200On Order

Mfr. Part No.
750310799

Mouser Part No
710-750310799

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 25 uH 5.6 W

Learn More

Datasheet

137In Stock

1,200On Order

Cut Tape

$4.65

Reel

$4.65

$4.47

MouseReel Available

Min.: 1
Mult.: 1

: 300

5.6 W

18 V to 30 V

15 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3574 3 uH 12 W

750311308
Wurth Elektronik
1: $9.34
38In Stock
200Expected 27/8/2026

Mfr. Part No.
750311308

Mouser Part No
710-750311308

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3574 3 uH 12 W

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Datasheet

38In Stock

200Expected 27/8/2026

Cut Tape

$9.34

$8.43

$8.09

$7.85

Reel

$7.28

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

12 W

36 V

24 V

SMD/SMT

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

750311342
Wurth Elektronik
1: $9.52
232In Stock

Mfr. Part No.
750311342

Mouser Part No
710-750311342

Wurth Elektronik

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

Learn More

Datasheet

232In Stock

Cut Tape

$9.52

$8.84

Reel

$6.80

MouseReel Available

Min.: 1
Mult.: 1

: 250

15 W

36 V

5 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 15 uH 30 W

750311385
Wurth Elektronik
1: $12.76
205In Stock

Mfr. Part No.
750311385

Mouser Part No
710-750311385

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 15 uH 30 W

Learn More

Datasheet

205In Stock

Cut Tape

$12.76

$11.94

Reel

$10.39

$9.34

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 125

30 W

18 V to 60 V

13 V

SMD/SMT

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

750311424
Wurth Elektronik
1: $5.30
143In Stock

Mfr. Part No.
750311424

Mouser Part No
710-750311424

Wurth Elektronik

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

Learn More

Datasheet

143In Stock

Cut Tape

$5.30

Reel

$3.84

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 200

12 W

36 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 37 uH 25.2 W

750311439
Wurth Elektronik
1: $6.27
49In Stock
800Expected 5/11/2026

Mfr. Part No.
750311439

Mouser Part No
710-750311439

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 37 uH 25.2 W

Learn More

Datasheet

49In Stock

800Expected 5/11/2026

Cut Tape

$6.27

$5.92

$5.56

$5.22

Reel

$4.87

$4.28

MouseReel Available

Min.: 1
Mult.: 1

: 200

25.2 W

37 V to 57 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 50 uH 20 W

750311457
Wurth Elektronik
1: $11.11
62In Stock

Mfr. Part No.
750311457

Mouser Part No
710-750311457

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 50 uH 20 W

Learn More

Datasheet

62In Stock

Cut Tape

$11.11

$10.32

Reel

$7.94

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 200

20 W

36 V

5 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 15 uH 13.2 W

750311458
Wurth Elektronik
1: $10.78
53In Stock

Mfr. Part No.
750311458

Mouser Part No
710-750311458

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 15 uH 13.2 W

Learn More

Datasheet

53In Stock

Cut Tape

$10.78

$10.01

Reel

$7.70

MouseReel Available

Min.: 1
Mult.: 1

: 200

13.2 W

36 V

3.3 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 100 uH 800 mW

750311486
Wurth Elektronik
1: $7.97
90In Stock
400Expected 5/11/2026

Mfr. Part No.
750311486

Mouser Part No
710-750311486

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 100 uH 800 mW

Learn More

Datasheet

90In Stock

400Expected 5/11/2026

Cut Tape

$7.97

$7.47

$7.14

$6.49

Reel

$5.83

MouseReel Available

Min.: 1
Mult.: 1

: 200

800 mW

12 V

- 200 V, 200 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT3512 175 uH 2 W

750311559
Wurth Elektronik
1: $6.23
229In Stock

Mfr. Part No.
750311559

Mouser Part No
710-750311559

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT3512 175 uH 2 W

Learn More

Datasheet

229In Stock

Cut Tape

$6.23

$5.78

Reel

$4.45

MouseReel Available

Min.: 1
Mult.: 1

: 300

2 W

35 V to 75 V

5 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 9.07 uH 15 W

750311564
Wurth Elektronik
1: $5.75
699In Stock
4,600On Order

Mfr. Part No.
750311564

Mouser Part No
710-750311564

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 9.07 uH 15 W

Learn More

Datasheet

699In Stock

4,600On Order

Cut Tape

$5.75

$5.41

$5.07

$4.94

Reel

$4.94

Quote

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 8 uH 45.6 W

750311590
Wurth Elektronik
1: $17.94
139In Stock

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

139In Stock

Cut Tape

$17.94

$16.80

Reel

$14.61

$13.15

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 8 uH 45 W

750311591
Wurth Elektronik
1: $19.53
127In Stock

Mfr. Part No.
750311591

Mouser Part No
710-750311591

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 8 uH 45 W

Learn More

Datasheet

127In Stock

Cut Tape

$19.53

$18.29

Reel

$15.91

$14.32

MouseReel Available

Min.: 1
Mult.: 1

: 100

45 W

20 V to 48 V

15 V

SMD/SMT

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

750311592
Wurth Elektronik
1: $19.53
45In Stock
400Expected 17/9/2026

Mfr. Part No.
750311592

Mouser Part No
710-750311592

Wurth Elektronik

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

Learn More

Datasheet

45In Stock

400Expected 17/9/2026

Cut Tape

$19.53

$18.29

Reel

$15.91

$14.32

MouseReel Available

Min.: 1
Mult.: 1

: 100

45.6 W

20 V to 48 V

24 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 8 uH 30 W

750311599
Wurth Elektronik
1: $15.94
109In Stock
125Expected 1/4/2027

Mfr. Part No.
750311599

Mouser Part No
710-750311599

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 8 uH 30 W

Learn More

Datasheet

109In Stock

125Expected 1/4/2027

Cut Tape

$15.94

$14.93

Reel

$12.99

$11.68

MouseReel Available

Min.: 1
Mult.: 1

: 125

30 W

20 V to 48 V

15 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 8 uH 31.2 W

750311604
Wurth Elektronik
1: $10.84
196In Stock
125Expected 17/8/2026

Mfr. Part No.
750311604

Mouser Part No
710-750311604

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 8 uH 31.2 W

Learn More

Datasheet

196In Stock

125Expected 17/8/2026

Cut Tape

$10.84

$10.01

Reel

$8.34

$7.37

$6.73

MouseReel Available

Min.: 1
Mult.: 1

: 125

31.2 W

20 V to 48 V

24 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 14 uH 30 W

750311607
Wurth Elektronik
1: $12.57
56In Stock
250Expected 27/8/2026

Mfr. Part No.
750311607

Mouser Part No
710-750311607

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 14 uH 30 W

Learn More

Datasheet

56In Stock

250Expected 27/8/2026

Cut Tape

$12.57

$11.60

$10.64

Reel

$9.67

$7.97

$7.00

MouseReel Available

Min.: 1
Mult.: 1

: 125

30 W

30 V to 75 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 12 uH 31.2 W

750311608
Wurth Elektronik
1: $10.55
179In Stock

Mfr. Part No.
750311608

Mouser Part No
710-750311608

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 12 uH 31.2 W

Learn More

Datasheet

179In Stock

Cut Tape

$10.55

$9.81

Reel

$9.81

$7.55

MouseReel Available

Min.: 1
Mult.: 1

: 125

31.2 W

30 V to 75 V

24 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 9 uH 15 W

750311624
Wurth Elektronik
1: $10.61
123In Stock
200Expected 17/8/2026

Mfr. Part No.
750311624

Mouser Part No
710-750311624

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 9 uH 15 W

Learn More

Datasheet

123In Stock

200Expected 17/8/2026

Cut Tape

$10.61

$9.86

$8.34

Reel

$7.58

$6.26

MouseReel Available

Min.: 1
Mult.: 1

: 200

15 W

10 V to 40 V

15 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3575 9 uH 13.2 W

750311625
Wurth Elektronik
1: $11.46
4In Stock
200Expected 27/8/2026

Mfr. Part No.
750311625

Mouser Part No
710-750311625

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3575 9 uH 13.2 W

Learn More

Datasheet

4In Stock

200Expected 27/8/2026

Cut Tape

$11.46

$10.58

$8.83

Reel

$7.28

$6.39

MouseReel Available

Min.: 1
Mult.: 1

: 200

13.2 W

10 V to 40 V

3.3 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 60 uH 150 mW

750311691
Wurth Elektronik
1: $7.97
453In Stock

Mfr. Part No.
750311691

Mouser Part No
710-750311691

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 60 uH 150 mW

Learn More

Datasheet

453In Stock

Cut Tape

$7.97

$7.47

$7.14

$6.49

$5.83

Reel

$5.83

MouseReel Available

Min.: 1
Mult.: 1

: 800

150 mW

8 V to 15 V

150 V

SMD/SMT

Power Transformers - Board Mount MID-IBTI TPS55010TER 2 uH 6 W

750311780
Wurth Elektronik
1: $6.85
485In Stock

Mfr. Part No.
750311780

Mouser Part No
710-750311780

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI TPS55010TER 2 uH 6 W

Learn More

Datasheet

485In Stock

Cut Tape

$6.85

$6.77

Reel

$6.77

$5.07

MouseReel Available

Min.: 1
Mult.: 1

: 300

6 W

2.5 V to 3.5 V

15 V, 15 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 14 uH 30 W

750311797
Wurth Elektronik
1: $10.89
128In Stock

Mfr. Part No.
750311797

Mouser Part No
710-750311797

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 14 uH 30 W

Learn More

Datasheet

128In Stock

Cut Tape

$10.89

$10.05

Reel

$8.38

$6.91

$6.08

MouseReel Available

Min.: 1
Mult.: 1

: 125

30 W

18 V to 100 V

12 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8300 350 uH 2.1 W

750311838
Wurth Elektronik
1: $4.46
219In Stock
1,200Expected 17/9/2026

Mfr. Part No.
750311838

Mouser Part No
710-750311838

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 350 uH 2.1 W

Learn More

Datasheet

219In Stock

1,200Expected 17/9/2026

Cut Tape

$4.46

$4.13

$3.50

Reel

$3.18

$2.62

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

2.1 W

36 V to 72 V

15 V, 15 V

SMD/SMT

WE-FB Flyback 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