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 1.5 mH 9 W

750811048
Wurth Elektronik
1: $6.99
70In Stock

Mfr. Part No.
750811048

Mouser Part No
710-750811048

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 1.5 mH 9 W

Learn More

Datasheet

70In Stock

$6.99

$6.53

$6.07

$5.60

View

Min.: 1
Mult.: 1

9 W

85 V to 265 V

30 V

Through Hole

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

750311268
Wurth Elektronik
1: $9.82
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

$9.82

$9.06

Reel

$9.06

$6.23

MouseReel Available

Min.: 1
Mult.: 1

: 300

5 W

9 V to 16 V

100 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W

750310563
Wurth Elektronik
1: $9.96
1,400Expected 12/11/2026

Mfr. Part No.
750310563

Mouser Part No
710-750310563

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W

Learn More

Datasheet

1,400Expected 12/11/2026

Cut Tape

$9.96

$9.22

$8.84

$8.57

Reel

$8.04

View

Min.: 1
Mult.: 1

: 200

9.6 W

18 V to 30 V

12 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 9 W

750313443
Wurth Elektronik
1: $5.63
4,092On Order

Mfr. Part No.
750313443

Mouser Part No
710-750313443

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 9 W

Learn More

Datasheet

4,092On Order

Cut Tape

$5.63

$5.21

$4.73

$4.30

Reel

$3.92

$3.55

MouseReel Available

Min.: 1
Mult.: 1

: 250

9 W

8 V to 32 V

12 V, 12 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 2.8 W

750313972
Wurth Elektronik
1: $7.97
4,500On Order

Mfr. Part No.
750313972

Mouser Part No
710-750313972

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 2.8 W

Learn More

Datasheet

4,500On Order

Cut Tape

$7.97

$7.37

$6.70

$6.09

Reel

$5.54

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

2.8 W

18 V to 42 V

5 V, 5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.3 W

750313973
Wurth Elektronik
1: $7.14
708Expected 23/7/2026

Mfr. Part No.
750313973

Mouser Part No
710-750313973

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.3 W

Learn More

Datasheet

708Expected 23/7/2026

Cut Tape

$7.14

$6.61

$6.01

$5.47

Reel

$4.96

$4.52

MouseReel Available

Min.: 1
Mult.: 1

: 250

3.3 W

8 V to 32 V

3.3 V, 3.3 V

SMD/SMT

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

750316743
Wurth Elektronik
1: $12.82
1,100Expected 23/7/2026

Mfr. Part No.
750316743

Mouser Part No
710-750316743

Wurth Elektronik

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

Learn More

Datasheet

1,100Expected 23/7/2026

Cut Tape

$12.82

$11.83

Reel

$8.13

MouseReel Available

Min.: 1
Mult.: 1

: 400

700 mW

18 V to 32 V

24 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3751 FLYBK TRANSFORMER EDF20 10 uH

750032051
Wurth Elektronik
1: $14.74
250Expected 7/8/2026

Mfr. Part No.
750032051

Mouser Part No
710-750032051

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3751 FLYBK TRANSFORMER EDF20 10 uH

Learn More

Datasheet

250Expected 7/8/2026

Cut Tape

$14.74

$13.82

Reel

$12.01

$10.40

$8.84

MouseReel Available

Min.: 1
Mult.: 1

: 125

SMD/SMT

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

750311589
Wurth Elektronik
1: $17.94
200Expected 30/7/2026

Mfr. Part No.
750311589

Mouser Part No
710-750311589

Wurth Elektronik

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

Learn More

Datasheet

200Expected 30/7/2026

Cut Tape

$17.94

$16.80

$16.08

Reel

$14.61

$13.15

MouseReel Available

Min.: 1
Mult.: 1

: 100

45 W

20 V to 48 V

5 V

SMD/SMT

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

750311593
Wurth Elektronik
1: $19.53
200Expected 23/7/2026

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

200Expected 23/7/2026

Cut Tape

$19.53

$18.29

Reel

$18.29

$14.32

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: $15.94
125Expected 23/7/2026

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

125Expected 23/7/2026

Cut Tape

$15.94

$14.93

Reel

$12.99

$11.68

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 100 uH 800 mW

750311681
Wurth Elektronik
1: $4.69
400Expected 23/7/2026

Mfr. Part No.
750311681

Mouser Part No
710-750311681

Wurth Elektronik

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

Learn More

Datasheet

400Expected 23/7/2026

Cut Tape

$4.69

$4.35

$4.05

$3.77

Reel

$3.45

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

800 mW

12 V

200 V, - 200 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 80 uH 300 mW

750311692
Wurth Elektronik
1: $7.98
350Expected 23/7/2026

Mfr. Part No.
750311692

Mouser Part No
710-750311692

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 80 uH 300 mW

Learn More

Datasheet

350Expected 23/7/2026

Cut Tape

$7.98

$7.48

$7.15

$6.50

Reel

$5.85

MouseReel Available

Min.: 1
Mult.: 1

: 350

300 mW

8 V to 15 V

150 V, - 150 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 8.8 W

750313441
Wurth Elektronik
1: $5.63
413Expected 17/9/2026

Mfr. Part No.
750313441

Mouser Part No
710-750313441

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 8.8 W

Learn More

Datasheet

413Expected 17/9/2026

Cut Tape

$5.63

$5.21

$4.30

Reel

$3.92

$3.55

MouseReel Available

Min.: 1
Mult.: 1

: 250

8.8 W

8 V to 32 V

5 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W

750310562
Wurth Elektronik
1: $8.27
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
750310562

Mouser Part No
710-750310562

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

Cut Tape

$8.27

$7.67

Reel

$5.90

MouseReel Available

Min.: 1
Mult.: 1

: 250

9.6 W

18 V to 30 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB Flyback 5uH 100mVAC

750032489
Wurth Elektronik
1,000: $7.40
Non-Stocked Lead-Time 51 Weeks

Mfr. Part No.
750032489

Mouser Part No
710-750032489

Wurth Elektronik

Power Transformers - Board Mount WE-FB Flyback 5uH 100mVAC

Learn More

Datasheet

Non-Stocked Lead-Time 51 Weeks

Cut Tape

$7.40

Quote

Min.: 1,000
Mult.: 200

: 200

9.9 W

15 V

146 V

SMD/SMT

Power Transformers - Board Mount WE-FB Flyback 2.70uH 500VAC

750310084
Wurth Elektronik
1,000: $7.40
Non-Stocked Lead-Time 51 Weeks

Mfr. Part No.
750310084

Mouser Part No
710-750310084

Wurth Elektronik

Power Transformers - Board Mount WE-FB Flyback 2.70uH 500VAC

Learn More

Datasheet

Non-Stocked Lead-Time 51 Weeks

Cut Tape

$7.40

Quote

Min.: 1,000
Mult.: 200

: 200

9.2 W

10 V

146 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3575 25 uH 4.3 W

750310559
Wurth Elektronik
1: $7.24
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
750310559

Mouser Part No
710-750310559

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3575 25 uH 4.3 W

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

Cut Tape

$7.24

$6.72

$6.20

$5.68

Reel

$5.17

$4.26

MouseReel Available

Min.: 1
Mult.: 1

: 250

4.3 W

12 V to 30 V

3.3 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3575 50 uH 15 W

750311303
Wurth Elektronik
250: $6.19
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
750311303

Mouser Part No
710-750311303

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3575 50 uH 15 W

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$6.19

$5.11

Min.: 250
Mult.: 250

: 250

15 W

36 V

5 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3575 1.5 uH 15 W

750311304
Wurth Elektronik
1: $8.77
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
750311304

Mouser Part No
710-750311304

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3575 1.5 uH 15 W

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Cut Tape

$8.77

$8.15

Reel

$6.26

MouseReel Available

Min.: 1
Mult.: 1

: 250

15 W

36 V

5 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3575 750 uH 12 W

750311305
Wurth Elektronik
250: $6.34
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
750311305

Mouser Part No
710-750311305

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3575 750 uH 12 W

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$6.34

$5.24

Min.: 250
Mult.: 250

: 250

12 W

36 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3575 100 uH 12 W

750311306
Wurth Elektronik
200: $11.68
Non-Stocked Lead-Time 19 Weeks

Mfr. Part No.
750311306

Mouser Part No
710-750311306

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3575 100 uH 12 W

Learn More

Datasheet

Non-Stocked Lead-Time 19 Weeks

Reel

$11.68

Min.: 200
Mult.: 200

: 200

12 W

36 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3574 100 uH 12 W

750311307
Wurth Elektronik
250: $4.90
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
750311307

Mouser Part No
710-750311307

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3574 100 uH 12 W

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$4.90

$4.15

Min.: 250
Mult.: 250

: 250

12 W

36 V

24 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3575 50 uH 20 W

750311422
Wurth Elektronik
200: $7.06
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
750311422

Mouser Part No
710-750311422

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3575 50 uH 20 W

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$7.06

$5.83

Min.: 200
Mult.: 200

: 200

20 W

36 V

5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 2 W

750311558
Wurth Elektronik
1: $6.26
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
750311558

Mouser Part No
710-750311558

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 2 W

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

Cut Tape

$6.26

$5.24

Reel

$5.24

$3.88

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

2 W

35 V to 75 V

5 V

SMD/SMT

WE-FB Flyback Transformers

Types of Transformers

Customer Service Office

Company

Resources

Support

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