Transformers – Mouser Taiwan

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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 LT3573 50 uH 5 W

750370041
Wurth Elektronik
1: NT$167.78
587In Stock
600Expected 8/20/2026

Mfr. Part #
750370041

Mouser Part #
710-750370041

Wurth Elektronik

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

Learn More

Datasheet

587In Stock

600Expected 8/20/2026

Cut Tape

NT$167.78

NT$153.80

NT$145.91

NT$137.66

Reel

NT$129.06

NT$119.02

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: NT$262.42
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

NT$262.42

NT$245.93

NT$235.18

NT$214.02

Reel

NT$192.51

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: NT$127.27
1,282In Stock

Mfr. Part #
750312365

Mouser Part #
710-750312365

Wurth Elektronik

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

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Datasheet

1,282In Stock

Cut Tape

NT$127.27

NT$85.32

Reel

NT$85.32

MouseReel Available

Min.: 1
Mult.: 1

: 400

3.6 W

30 V to 72 V

12 V

SMD/SMT

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

750316743
Wurth Elektronik
1: NT$338.07
1,052In Stock

Mfr. Part #
750316743

Mouser Part #
710-750316743

Wurth Elektronik

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

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Datasheet

1,052In Stock

Cut Tape

NT$338.07

NT$311.90

Reel

NT$214.38

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: NT$272.10
1,274In Stock

Mfr. Part #
750317233

Mouser Part #
710-750317233

Wurth Elektronik

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

Learn More

Datasheet

1,274In Stock

Cut Tape

NT$272.10

NT$251.31

Reel

NT$251.31

NT$172.80

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: NT$267.44
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

NT$267.44

NT$246.65

Reel

NT$246.65

NT$169.57

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: NT$514.81
1,728In Stock

Mfr. Part #
750311783

Mouser Part #
710-750311783

Wurth Elektronik

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

Learn More

Datasheet

1,728In Stock

Cut Tape

NT$514.81

NT$482.18

NT$461.39

Reel

NT$419.45

NT$377.50

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: NT$140.53
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

NT$140.53

Reel

NT$140.53

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 LT8300 300 uH 1.9 W

750311659
Wurth Elektronik
1: NT$118.66
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

NT$118.66

NT$110.06

Reel

NT$84.61

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: NT$1,021.73
919In Stock

Mfr. Part #
750312872

Mouser Part #
710-750312872

Wurth Elektronik

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

Learn More

Datasheet

919In Stock

NT$1,021.73

NT$943.21

NT$648.53

Min.: 1
Mult.: 1

112 W

20 V to 60 V

28 V

Through Hole

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

750315830
Wurth Elektronik
1: NT$88.19
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

NT$88.19

NT$83.53

NT$70.62

Reel

NT$64.53

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 6.78 uH 12 W

750311911
Wurth Elektronik
1: NT$378.22
283In Stock

Mfr. Part #
750311911

Mouser Part #
710-750311911

Wurth Elektronik

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

Learn More

Datasheet

283In Stock

NT$378.22

NT$354.20

NT$338.78

NT$307.95

NT$277.12

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: NT$121.89
1,806In 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

1,806In Stock

Cut Tape

NT$121.89

NT$115.80

NT$89.63

Reel

NT$89.63

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 WE-FB LT3575 25 uH 10 W

750311675
Wurth Elektronik
1: NT$311.90
417In Stock

Mfr. Part #
750311675

Mouser Part #
710-750311675

Wurth Elektronik

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

Learn More

Datasheet

417In Stock

Cut Tape

NT$311.90

NT$287.88

Reel

NT$197.89

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: NT$148.42
944In Stock

Mfr. Part #
750313439

Mouser Part #
710-750313439

Wurth Elektronik

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

Learn More

Datasheet

944In Stock

Cut Tape

NT$148.42

NT$137.31

Reel

NT$103.25

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 12 uH 30 W

750311600
Wurth Elektronik
1: NT$420.16
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

NT$420.16

NT$393.63

Reel

NT$393.63

NT$307.95

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: NT$346.67
20In Stock
400Expected 8/27/2026

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 8/27/2026

Cut Tape

NT$346.67

NT$324.80

NT$310.46

NT$282.50

Reel

NT$254.18

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: NT$514.81
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

NT$514.81

NT$482.18

Reel

NT$482.18

NT$377.50

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 15 uH 30 W

750311605
Wurth Elektronik
1: NT$420.16
125In Stock

Mfr. Part #
750311605

Mouser Part #
710-750311605

Wurth Elektronik

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

Learn More

Datasheet

125In Stock

Cut Tape

NT$420.16

NT$393.63

Reel

NT$342.37

NT$307.95

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: NT$180.68
67In Stock
200Expected 12/3/2026

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 12/3/2026

Cut Tape

NT$180.68

NT$167.78

NT$154.87

NT$141.97

Reel

NT$129.06

NT$106.47

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: NT$170.65
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

NT$170.65

NT$168.50

NT$158.10

NT$142.32

Reel

NT$142.32

View

MouseReel Available

Min.: 1
Mult.: 1

: 350

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

750311456
Wurth Elektronik
1: NT$262.06
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

NT$262.06

NT$243.42

Reel

NT$187.14

MouseReel Available

Min.: 1
Mult.: 1

: 200

12 W

36 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 6 uH 45 W

750311589
Wurth Elektronik
1: NT$472.86
200In Stock

Mfr. Part #
750311589

Mouser Part #
710-750311589

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 6 uH 45 W

Learn More

Datasheet

200In Stock

Cut Tape

NT$472.86

NT$442.75

NT$423.75

Reel

NT$385.03

NT$346.67

MouseReel Available

Min.: 1
Mult.: 1

: 100

45 W

20 V to 48 V

5 V

SMD/SMT

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

750315834
Wurth Elektronik
1: NT$88.19
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

NT$88.19

NT$83.53

Reel

NT$64.53

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: NT$181.76
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

NT$181.76

NT$168.14

NT$153.08

NT$139.10

Reel

NT$126.55

NT$114.72

MouseReel Available

Min.: 1
Mult.: 1

: 250

15.2 W

15 V to 40 V

12.7 V, 12.7 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