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 - Board Mount WE-FB LT3575 7 uH 15 W

750311567
Wurth Elektronik
1: €8.32
420In Stock

Mfr. Part No.
750311567

Mouser Part No
710-750311567

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3575 7 uH 15 W

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Datasheet

420In Stock

Cut Tape

€8.32

€7.79

€7.45

€6.78

Reel

€6.10

MouseReel Available

Min.: 1
Mult.: 1

: 200

15 W

10 V to 40 V

5 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3573 50 uH 5 W

750370041
Wurth Elektronik
1: €4.02
1,187In Stock

Mfr. Part No.
750370041

Mouser Part No
710-750370041

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 50 uH 5 W

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Datasheet

1,187In Stock

Cut Tape

€4.02

€3.69

€3.66

Reel

€3.66

€3.55

MouseReel Available

Min.: 1
Mult.: 1

: 300

5 W

18 V to 30 V

5 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3573 25 uH 10 W

750310471
Wurth Elektronik
1: €6.30
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

€6.30

€5.90

€5.64

€5.13

Reel

€4.62

MouseReel Available

Min.: 1
Mult.: 1

: 200

10 W

9 V to 30 V

5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYADI ADP1031 280 uH 700 mW

750316743
Wurth Elektronik
1: €8.11
1,050In Stock

Mfr. Part No.
750316743

Mouser Part No
710-750316743

Wurth Elektronik

Power Transformers - Board Mount MID-FLYADI ADP1031 280 uH 700 mW

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Datasheet

1,050In Stock

Cut Tape

€8.11

€7.48

Reel

€5.14

MouseReel Available

Min.: 1
Mult.: 1

: 400

700 mW

18 V to 32 V

24 V

SMD/SMT

Power Transformers - Board Mount MID-FLYMAX MAX17690 16 uH 2.5 W

750317233
Wurth Elektronik
1: €6.53
1,274In Stock

Mfr. Part No.
750317233

Mouser Part No
710-750317233

Wurth Elektronik

Power Transformers - Board Mount MID-FLYMAX MAX17690 16 uH 2.5 W

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Datasheet

1,274In Stock

Cut Tape

€6.53

€6.03

Reel

€6.03

€4.15

MouseReel Available

Min.: 1
Mult.: 1

: 300

2.5 W

8 V to 28 V

5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYMAX MAX17690 84 uH 3 W

750317236
Wurth Elektronik
1: €6.42
1,147In 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

1,147In Stock

Cut Tape

€6.42

€5.92

Reel

€5.92

€4.07

MouseReel Available

Min.: 1
Mult.: 1

: 300

3 W

18 V to 60 V

12 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W

750311659
Wurth Elektronik
1: €2.53
1,398In 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

1,398In Stock

Cut Tape

€2.53

€2.20

€2.13

€2.06

Reel

€1.96

View

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: €24.51
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

€24.51

€22.63

€15.56

Min.: 1
Mult.: 1

112 W

20 V to 60 V

28 V

Through Hole

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

750311660
Wurth Elektronik
1: €3.75
882In Stock

Mfr. Part No.
750311660

Mouser Part No
710-750311660

Wurth Elektronik

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

Learn More

Datasheet

882In Stock

Cut Tape

€3.75

€3.48

Reel

€2.68

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 300

2.1 W

36 V to 72 V

15 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 20 uH 60 W

750311783
Wurth Elektronik
1: €12.35
1,703In 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

1,703In Stock

Cut Tape

€12.35

€11.57

€11.07

Reel

€10.06

€9.06

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: €3.37
1,421In 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

1,421In Stock

Cut Tape

€3.37

Reel

€3.37

MouseReel Available

Min.: 1
Mult.: 1

: 400

5 W

10 V to 30 V

5 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 6.78 uH 12 W

750311911
Wurth Elektronik
1: €9.07
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

Learn More

Datasheet

283In Stock

€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 - Board Mount MID-IBTI LM5017 26 uH 1.6 W

750312924
Wurth Elektronik
1: €2.92
1,766In 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

1,766In Stock

Cut Tape

€2.92

€2.78

€2.15

Reel

€2.15

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 LT3575 25 uH 10 W

750311675
Wurth Elektronik
1: €6.45
417In Stock

Mfr. Part No.
750311675

Mouser Part No
710-750311675

Wurth Elektronik

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

Learn More

Datasheet

417In Stock

Cut Tape

€6.45

€5.59

€5.42

€5.25

Reel

€4.75

€4.66

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: €3.56
944In Stock

Mfr. Part No.
750313439

Mouser Part No
710-750313439

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 6.6 W

Learn More

Datasheet

944In Stock

Cut Tape

€3.56

€3.29

Reel

€2.48

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 LT8303 150 uH 2.9 W

750315830
Wurth Elektronik
1: €2.12
1,792In 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

1,792In Stock

Cut Tape

€2.12

€2.00

€1.69

Reel

€1.55

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 12 uH 30 W

750311600
Wurth Elektronik
1: €10.08
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

€10.08

€9.44

Reel

€9.44

€7.39

MouseReel Available

Min.: 1
Mult.: 1

: 125

30 W

30 V to 75 V

15 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 15 uH 45 W

750311593
Wurth Elektronik
1: €12.35
138In 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

138In Stock

Cut Tape

€12.35

€11.57

Reel

€11.57

€9.06

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 15 uH 30 W

750311605
Wurth Elektronik
1: €10.08
125In Stock

Mfr. Part No.
750311605

Mouser Part No
710-750311605

Wurth Elektronik

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

Learn More

Datasheet

125In Stock

Cut Tape

€10.08

€9.44

Reel

€8.21

€7.39

MouseReel Available

Min.: 1
Mult.: 1

: 125

30 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: €4.33
67In 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

67In Stock

200Expected 03/12/2026

Cut Tape

€4.33

€4.02

€3.72

€3.41

Reel

€3.10

€2.55

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: €4.09
92In Stock

Mfr. Part No.
750510348

Mouser Part No
710-750510348

Wurth Elektronik

Audio Transformers / Signal Transformers WE-DSL VDSL 700uH +-10%

Learn More

Datasheet

92In Stock

Cut Tape

€4.09

€4.04

€3.79

€3.41

Reel

€3.41

View

MouseReel Available

Min.: 1
Mult.: 1

: 350

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

750311456
Wurth Elektronik
1: €6.29
3In 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

3In Stock

Cut Tape

€6.29

€5.84

Reel

€4.49

MouseReel Available

Min.: 1
Mult.: 1

: 200

12 W

36 V

12 V

SMD/SMT

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

750315832
Wurth Elektronik
1: €2.12
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

€2.12

€2.00

€1.69

Reel

€1.60

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 Flyback 5uH 500VAC

750311268
Wurth Elektronik
1: €6.21
17In Stock

Mfr. Part No.
750311268

Mouser Part No
710-750311268

Wurth Elektronik

Power Transformers - Board Mount WE-FB Flyback 5uH 500VAC

Learn More

Datasheet

17In Stock

Cut Tape

€6.21

€5.73

Reel

€5.73

€3.94

MouseReel Available

Min.: 1
Mult.: 1

: 300

5 W

9 V to 16 V

100 V

SMD/SMT

Power Transformers - Board Mount MID-IBTI LM5017MRX 45 uH 1.5 W

750314462
Wurth Elektronik
1: €4.10
8In 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

8In Stock

Cut Tape

€4.10

€3.79

Reel

€2.86

MouseReel Available

Min.: 1
Mult.: 1

: 500

1.5 W

16 V to 36 V

- 12 V, 5 V, 12 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