Transformers – Mouser Ireland

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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 WE-FB LT3575 15 uH 15 W

750311342
Wurth Elektronik
1: €9.08
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

€9.08

€8.51

€8.14

€7.40

Reel

€6.66

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: €6.54
65In Stock
200Expected 26/02/2026

Mfr. Part No.
750311457

Mouser Part No
710-750311457

Wurth Elektronik

Power Transformers WE-FB LT3748 50 uH 20 W

Learn More

Datasheet

65In Stock

200Expected 26/02/2026

Cut Tape

€6.54

€5.90

€5.67

€5.49

Reel

€5.15

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: €6.98
85In Stock
250Expected 05/03/2026

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 05/03/2026

Cut Tape

€6.98

€6.41

€6.19

€6.06

Reel

€5.89

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: €8.32
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

€8.32

€7.80

€7.46

€6.79

Reel

€6.11

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

15 W

10 V to 40 V

15 V

SMD/SMT

Power Transformers WE-FB LT3575 9 uH 13.2 W

750311625
Wurth Elektronik
1: €10.08
121In Stock
200Expected 18/02/2026

Mfr. Part No.
750311625

Mouser Part No
710-750311625

Wurth Elektronik

Power Transformers WE-FB LT3575 9 uH 13.2 W

Learn More

Datasheet

121In Stock

200Expected 18/02/2026

Cut Tape

€10.08

€9.44

€9.03

€8.21

Reel

€7.39

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

13.2 W

10 V to 40 V

3.3 V

SMD/SMT

Power Transformers MID-FLYLT LT8300 300 uH 1.9 W

750311659
Wurth Elektronik
1: €3.11
6In Stock

Mfr. Part No.
750311659

Mouser Part No
710-750311659

Wurth Elektronik

Power Transformers MID-FLYLT LT8300 300 uH 1.9 W

Learn More

Datasheet

6In Stock

Cut Tape

€3.11

€2.81

€2.70

€2.62

Reel

€2.05

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

1.9 W

36 V to 72 V

24 V

SMD/SMT

Power Transformers WE-FB LT3748 100 uH 800 mW

750311681
Wurth Elektronik
1: €3.24
420In Stock

Mfr. Part No.
750311681

Mouser Part No
710-750311681

Wurth Elektronik

Power Transformers WE-FB LT3748 100 uH 800 mW

Learn More

Datasheet

420In Stock

Cut Tape

€3.24

€2.93

€2.82

€2.73

Reel

€2.56

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: €7.68
15In 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

15In Stock

2,100Expected 21/05/2026

Cut Tape

€7.68

€7.00

€6.74

€6.57

Reel

€6.41

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: €11.35
167In Stock

Mfr. Part No.
750311797

Mouser Part No
710-750311797

Wurth Elektronik

Power Transformers WE-FB LT3748 14 uH 30 W

Learn More

Datasheet

167In Stock

Cut Tape

€11.35

€10.63

€10.17

Reel

€9.25

€8.32

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: €8.57
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

€8.57

€8.02

€7.68

Reel

€6.97

€6.28

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

25 W

28 V

250 V

SMD/SMT

Power Transformers WE-FB LT3748 6.78 uH 12 W

750311911
Wurth Elektronik
1: €9.07
94In Stock
192Expected 05/03/2026

Mfr. Part No.
750311911

Mouser Part No
710-750311911

Wurth Elektronik

Power Transformers WE-FB LT3748 6.78 uH 12 W

Learn More

Datasheet

94In Stock

192Expected 05/03/2026

€9.07

€8.50

€8.13

€7.39

€6.65

Min.: 1
Mult.: 1

12 W

8 V to 24 V

15 V, 15 V, 15 V, 15 V

Through Hole

Power Transformers WE-FB LTC3300 3.46 uH 5 W

750312504
Wurth Elektronik
1: €4.10
56In Stock
1,000Expected 05/03/2026

Mfr. Part No.
750312504

Mouser Part No
710-750312504

Wurth Elektronik

Power Transformers WE-FB LTC3300 3.46 uH 5 W

Learn More

Datasheet

56In Stock

1,000Expected 05/03/2026

Cut Tape

€4.10

€3.72

€3.56

€3.45

Reel

€3.23

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

5 W

2 V to 5.5 V

20 V

SMD/SMT

Power Transformers MID-FLYLT LT8300 300 uH 1.9 W

750312557
Wurth Elektronik
1: €3.13
283In Stock

Mfr. Part No.
750312557

Mouser Part No
710-750312557

Wurth Elektronik

Power Transformers MID-FLYLT LT8300 300 uH 1.9 W

Learn More

Datasheet

283In Stock

Cut Tape

€3.13

€2.83

€2.72

€2.63

Reel

€2.39

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

1.9 W

36 V to 72 V

5 V

SMD/SMT

Power Transformers MID-FLYLT LT8300 300 uH 1.7 W

750312559
Wurth Elektronik
1: €3.82
523In Stock

Mfr. Part No.
750312559

Mouser Part No
710-750312559

Wurth Elektronik

Power Transformers MID-FLYLT LT8300 300 uH 1.7 W

Learn More

Datasheet

523In Stock

Cut Tape

€3.82

€3.78

€3.53

€3.18

Reel

€2.83

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

1.7 W

36 V to 72 V

24 V

SMD/SMT

Power Transformers MID-FLYLT LT8302 12 uH 7.5 W

750313442
Wurth Elektronik
1: €3.56
15In Stock
250Expected 05/03/2026

Mfr. Part No.
750313442

Mouser Part No
710-750313442

Wurth Elektronik

Power Transformers MID-FLYLT LT8302 12 uH 7.5 W

Learn More

Datasheet

15In Stock

250Expected 05/03/2026

Cut Tape

€3.56

€3.29

€2.99

€2.72

Reel

€2.48

€2.24

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

7.5 W

8 V to 40 V

5 V

SMD/SMT

Power Transformers MID-IBTI LM5160 60 uH 3.9 W

750314597
Wurth Elektronik
1: €3.27
295In Stock
400Expected 18/02/2026

Mfr. Part No.
750314597

Mouser Part No
710-750314597

Wurth Elektronik

Power Transformers MID-IBTI LM5160 60 uH 3.9 W

Learn More

Datasheet

295In Stock

400Expected 18/02/2026

Cut Tape

€3.27

€3.03

€2.75

€2.50

Reel

€2.27

€2.06

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

3.9 W

10 V to 40 V

15.5 V

SMD/SMT

Power Transformers MID-FLYLT LT8303 150 uH 3.3 W

750315825
Wurth Elektronik
1: €2.38
78In Stock

Mfr. Part No.
750315825

Mouser Part No
710-750315825

Wurth Elektronik

Power Transformers MID-FLYLT LT8303 150 uH 3.3 W

Learn More

Datasheet

78In Stock

Cut Tape

€2.38

€2.26

€2.10

€1.90

Reel

€1.75

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

3.3 W

36 V to 72 V

3.3 V

SMD/SMT

Power Transformers MID-FLYLT LT8303 150 uH 2.9 W

750315827
Wurth Elektronik
1: €1.81
448In Stock

Mfr. Part No.
750315827

Mouser Part No
710-750315827

Wurth Elektronik

Power Transformers MID-FLYLT LT8303 150 uH 2.9 W

Learn More

Datasheet

448In Stock

Cut Tape

€1.81

€1.64

€1.57

€1.53

Reel

€1.38

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

2.9 W

36 V to 72 V

5 V

SMD/SMT

Power Transformers MID-FLYLT LT8303 150 uH 3.1 W

750315828
Wurth Elektronik
1: €2.12
705In Stock

Mfr. Part No.
750315828

Mouser Part No
710-750315828

Wurth Elektronik

Power Transformers MID-FLYLT LT8303 150 uH 3.1 W

Learn More

Datasheet

705In Stock

Cut Tape

€2.12

€2.00

€1.87

€1.69

Reel

€1.55

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

3.1 W

36 V to 72 V

12 V

SMD/SMT

Power Transformers MID-FLYLT LT8303 150 uH 3.5 W

750315834
Wurth Elektronik
1: €2.12
37In Stock

Mfr. Part No.
750315834

Mouser Part No
710-750315834

Wurth Elektronik

Power Transformers MID-FLYLT LT8303 150 uH 3.5 W

Learn More

Datasheet

37In Stock

Cut Tape

€2.12

€2.00

€1.87

€1.69

Reel

€1.55

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

3.5 W

36 V to 72 V

5 V, 5 V

SMD/SMT

Power Transformers MID-FLYLT LT8304 40 uH 14.4 W

750315837
Wurth Elektronik
1: €2.92
270In Stock

Mfr. Part No.
750315837

Mouser Part No
710-750315837

Wurth Elektronik

Power Transformers MID-FLYLT LT8304 40 uH 14.4 W

Learn More

Datasheet

270In Stock

Cut Tape

€2.92

€2.72

€2.67

€2.56

Reel

€2.48

View

Min.: 1
Mult.: 1

Reel: 200

14.4 W

36 V to 75 V

48 V

SMD/SMT

Power Transformers WE-FB SMD Flyback On REFDsgn LM3481 TI

750316152
Wurth Elektronik
1: €6.17
256In Stock

Mfr. Part No.
750316152

Mouser Part No
710-750316152

Wurth Elektronik

Power Transformers WE-FB SMD Flyback On REFDsgn LM3481 TI

Learn More

Datasheet

256In Stock

Cut Tape

€6.17

€5.87

€5.69

€5.52

Reel

€5.23

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

36 W

5 V to 32 V

12 V

SMD/SMT

Power Transformers MID-FLYADI ADP1031 280 uH 700 mW

750316743
Wurth Elektronik
1: €3.93
250In Stock

Mfr. Part No.
750316743

Mouser Part No
710-750316743

Wurth Elektronik

Power Transformers MID-FLYADI ADP1031 280 uH 700 mW

Learn More

Datasheet

250In Stock

Cut Tape

€3.93

€3.64

€3.35

Reel

€2.92

€2.91

€2.90

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

700 mW

18 V to 32 V

24 V

SMD/SMT

Power Transformers WE-FB Flyback 2.7uH 500VDC

750311088
Wurth Elektronik
1: €2.57
404In Stock

Mfr. Part No.
750311088

Mouser Part No
710-750311088

Wurth Elektronik

Power Transformers WE-FB Flyback 2.7uH 500VDC

Learn More

Datasheet

404In Stock

Cut Tape

€2.57

€2.54

€2.38

€2.14

Reel

€2.14

€1.90

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

5 W

6 V to 12.6 V

100 V

SMD/SMT

Power Transformers MID-IBTI LM5017MR 50 uH 1.5 W

750313995
Wurth Elektronik
1: €5.15
35In Stock

Mfr. Part No.
750313995

Mouser Part No
710-750313995

Wurth Elektronik

Power Transformers MID-IBTI LM5017MR 50 uH 1.5 W

Learn More

Datasheet

35In Stock

Cut Tape

€5.15

€5.08

€4.76

€4.29

Reel

€4.29

€3.81

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

1.5 W

15 V to 40 V

15 V, 5 V, 5 V, 15 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

- 17.5 V, 17.5 V
3.3 V
3.3 V, 3.3 V
5 V
5 V, - 5 V
5 V, 12 V, - 12 V
5 V, 15 V, 15 V
5 V, 5 V
5 V, 7.5 V, 10 V
7 V
7 V, 5 V, - 5 V, - 7 V
9 V
9 V, 16 V, 9 V, 16 V
10 V
10 V, 5 V
10 V, 5 V, - 5 V, - 10 V
12 V
12 V, 12 V
12 V, 12 V, - 5 V, - 5 V
12.7 V, 12.7 V