Transformers – Mouser Canada

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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 25 uH 10 W

750311675
Wurth Elektronik
1: $12.53
745In Stock

Mfr. Part #
750311675

Mouser Part #
710-750311675

Wurth Elektronik

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

Learn More

Datasheet

745In Stock

Cut Tape

$12.53

$11.56

Reel

$7.95

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: $5.96
944In Stock

Mfr. Part #
750313439

Mouser Part #
710-750313439

Wurth Elektronik

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

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Datasheet

944In Stock

Cut Tape

$5.96

$5.52

Reel

$4.15

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 WE-FB LT3748 6.78 uH 12 W

750311911
Wurth Elektronik
1: $15.19
283In Stock

Mfr. Part #
750311911

Mouser Part #
710-750311911

Wurth Elektronik

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

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Datasheet

283In Stock

$15.19

$14.23

$13.61

$12.37

$11.13

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: $4.90
1,816In Stock

Mfr. Part #
750312924

Mouser Part #
710-750312924

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI LM5017 26 uH 1.6 W

Learn More

Datasheet

1,816In Stock

Cut Tape

$4.90

$4.65

$3.60

Reel

$3.60

View

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 MID-FLYLT LT8300 300 uH 1.9 W

750311659
Wurth Elektronik
1: $4.77
1,400In Stock

Mfr. Part #
750311659

Mouser Part #
710-750311659

Wurth Elektronik

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

Learn More

Datasheet

1,400In Stock

Cut Tape

$4.77

$4.42

Reel

$3.40

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: $41.04
919In Stock

Mfr. Part #
750312872

Mouser Part #
710-750312872

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT3798 14 uH 112 W

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Datasheet

919In Stock

$41.04

$37.89

$26.05

Min.: 1
Mult.: 1

112 W

20 V to 60 V

28 V

Through Hole

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

750310471
Wurth Elektronik
1: $10.54
317In Stock

Mfr. Part #
750310471

Mouser Part #
710-750310471

Wurth Elektronik

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

Learn More

Datasheet

317In Stock

Cut Tape

$10.54

$9.88

$9.45

$8.60

Reel

$7.73

MouseReel Available

Min.: 1
Mult.: 1

: 200

10 W

9 V to 30 V

5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 3.6 W

750312365
Wurth Elektronik
1: $5.11
1,322In Stock

Mfr. Part #
750312365

Mouser Part #
710-750312365

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 3.6 W

Learn More

Datasheet

1,322In Stock

Cut Tape

$5.11

$3.43

Reel

$3.43

MouseReel Available

Min.: 1
Mult.: 1

: 400

3.6 W

30 V to 72 V

12 V

SMD/SMT

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

750317236
Wurth Elektronik
1: $10.74
1,147In Stock

Mfr. Part #
750317236

Mouser Part #
710-750317236

Wurth Elektronik

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

Learn More

Datasheet

1,147In Stock

Cut Tape

$10.74

$9.91

Reel

$9.91

$6.81

MouseReel Available

Min.: 1
Mult.: 1

: 300

3 W

18 V to 60 V

12 V

SMD/SMT

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

750311783
Wurth Elektronik
1: $20.68
1,892In Stock

Mfr. Part #
750311783

Mouser Part #
710-750311783

Wurth Elektronik

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

Learn More

Datasheet

1,892In Stock

Cut Tape

$20.68

$19.37

$18.53

Reel

$16.85

$15.16

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: $5.64
1,423In Stock

Mfr. Part #
750370047

Mouser Part #
710-750370047

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 30 uH 5 W

Learn More

Datasheet

1,423In Stock

Cut Tape

$5.64

Reel

$5.64

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

5 W

10 V to 30 V

5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 2.9 W

750315830
Wurth Elektronik
1: $3.54
1,810In Stock

Mfr. Part #
750315830

Mouser Part #
710-750315830

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 2.9 W

Learn More

Datasheet

1,810In Stock

Cut Tape

$3.54

$3.36

$2.84

Reel

$2.59

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

2.9 W

36 V to 72 V

48 V

SMD/SMT

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

750315832
Wurth Elektronik
1: $3.54
332In Stock

Mfr. Part #
750315832

Mouser Part #
710-750315832

Wurth Elektronik

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

Learn More

Datasheet

332In Stock

Cut Tape

$3.54

$3.36

$2.84

Reel

$2.68

MouseReel Available

Min.: 1
Mult.: 1

: 400

1.5 W

9 V to 36 V

100 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.5 W

750315834
Wurth Elektronik
1: $3.54
37In Stock

Mfr. Part #
750315834

Mouser Part #
710-750315834

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.5 W

Learn More

Datasheet

37In Stock

Cut Tape

$3.54

$3.36

Reel

$2.59

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

3.5 W

36 V to 72 V

5 V, 5 V

SMD/SMT

Power Transformers - Board Mount MID-IBTI LM20242 66 uH 15.2 W

750342156
Wurth Elektronik
1: $7.30
179In Stock

Mfr. Part #
750342156

Mouser Part #
710-750342156

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI LM20242 66 uH 15.2 W

Learn More

Datasheet

179In Stock

Cut Tape

$7.30

$6.75

$6.15

$5.59

Reel

$5.08

$4.61

MouseReel Available

Min.: 1
Mult.: 1

: 250

15.2 W

15 V to 40 V

12.7 V, 12.7 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 12 uH 30 W

750311600
Wurth Elektronik
1: $16.88
114In Stock

Mfr. Part #
750311600

Mouser Part #
710-750311600

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 12 uH 30 W

Learn More

Datasheet

114In Stock

Cut Tape

$16.88

$15.81

Reel

$15.81

$12.37

MouseReel Available

Min.: 1
Mult.: 1

: 125

30 W

30 V to 75 V

15 V

SMD/SMT

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

750311567
Wurth Elektronik
1: $13.92
20In Stock
400Expected 2026-08-27

Mfr. Part #
750311567

Mouser Part #
710-750311567

Wurth Elektronik

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

Learn More

Datasheet

20In Stock

400Expected 2026-08-27

Cut Tape

$13.92

$13.05

$12.47

$11.35

Reel

$10.21

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 15 uH 45 W

750311593
Wurth Elektronik
1: $20.68
140In Stock

Mfr. Part #
750311593

Mouser Part #
710-750311593

Wurth Elektronik

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

Learn More

Datasheet

140In Stock

Cut Tape

$20.68

$19.37

Reel

$19.37

$15.16

Quote

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 3.8 uH 9 W

750311856
Wurth Elektronik
1: $7.26
67In Stock
200Expected 2026-12-03

Mfr. Part #
750311856

Mouser Part #
710-750311856

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 3.8 uH 9 W

Learn More

Datasheet

67In Stock

200Expected 2026-12-03

Cut Tape

$7.26

$6.74

$6.22

$5.70

Reel

$5.18

$4.28

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: $6.85
92In Stock

Mfr. Part #
750510348

Mouser Part #
710-750510348

Wurth Elektronik

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

Learn More

Datasheet

92In Stock

Cut Tape

$6.85

$6.77

$6.35

$5.72

Reel

$5.72

View

MouseReel Available

Min.: 1
Mult.: 1

: 350

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

750311456
Wurth Elektronik
1: $10.53
75In Stock

Mfr. Part #
750311456

Mouser Part #
710-750311456

Wurth Elektronik

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

Learn More

Datasheet

75In Stock

Cut Tape

$10.53

$9.78

Reel

$7.52

MouseReel Available

Min.: 1
Mult.: 1

: 200

12 W

36 V

12 V

SMD/SMT

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

750370041
Wurth Elektronik
1: $6.74
287In Stock
900On Order

Mfr. Part #
750370041

Mouser Part #
710-750370041

Wurth Elektronik

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

Learn More

Datasheet

287In Stock

900On Order

Cut Tape

$6.74

$6.18

$5.86

$5.53

Reel

$5.18

$4.78

MouseReel Available

Min.: 1
Mult.: 1

: 300

5 W

18 V to 30 V

5 V

SMD/SMT

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

750311268
Wurth Elektronik
1: $10.40
17In Stock

Mfr. Part #
750311268

Mouser Part #
710-750311268

Wurth Elektronik

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

Learn More

Datasheet

17In Stock

Cut Tape

$10.40

$9.59

Reel

$9.59

$6.60

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: $6.87
98In Stock

Mfr. Part #
750314462

Mouser Part #
710-750314462

Wurth Elektronik

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

Learn More

Datasheet

98In Stock

Cut Tape

$6.87

$6.35

Reel

$4.78

MouseReel Available

Min.: 1
Mult.: 1

: 500

1.5 W

16 V to 36 V

- 12 V, 5 V, 12 V

SMD/SMT

Power Transformers - Board Mount WE-FB Flyback 2.7uH 500VDC

750311088
Wurth Elektronik
1: $10.28
403In Stock

Mfr. Part #
750311088

Mouser Part #
710-750311088

Wurth Elektronik

Power Transformers - Board Mount WE-FB Flyback 2.7uH 500VDC

Learn More

Datasheet

403In Stock

Cut Tape

$10.28

$9.49

$8.70

$7.91

Reel

$7.91

$6.52

MouseReel Available

Min.: 1
Mult.: 1

: 300

5 W

6 V to 12.6 V

100 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