Transformers – Mouser Japan

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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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Results: 177

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Part #

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

750314462
Wurth Elektronik
1: ¥792.3
93In 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

93In Stock

Cut Tape

¥792.3

¥732.5

Reel

¥551.5

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 LT3573 25 uH 9.6 W

750310562
Wurth Elektronik
1: ¥1,009.9
477Expected 10/29/2026

Mfr. Part #
750310562

Mouser Part #
710-750310562

Wurth Elektronik

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

Learn More

Datasheet

477Expected 10/29/2026

Cut Tape

¥1,009.9

¥936.8

Reel

¥720.9

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 LT3573 25 uH 9.6 W

750310563
Wurth Elektronik
1: ¥1,215.9
1,400On Order

Mfr. Part #
750310563

Mouser Part #
710-750310563

Wurth Elektronik

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

Learn More

Datasheet

1,400On Order

Cut Tape

¥1,215.9

¥1,126.2

¥1,079.7

¥1,046.4

Reel

¥981.7

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: ¥687.7
3,187On Order

Mfr. Part #
750313443

Mouser Part #
710-750313443

Wurth Elektronik

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

Learn More

Datasheet

3,187On Order

Cut Tape

¥687.7

¥636.2

¥578

¥524.9

Reel

¥478.4

¥433.5

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: ¥973.3
4,500On Order

Mfr. Part #
750313972

Mouser Part #
710-750313972

Wurth Elektronik

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

Learn More

Datasheet

4,500On Order

Cut Tape

¥973.3

¥900.3

¥818.9

¥744.1

Reel

¥676

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-IBTI LM5160 60 uH 3.9 W

750314597
Wurth Elektronik
1: ¥631.2
792On Order

Mfr. Part #
750314597

Mouser Part #
710-750314597

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI LM5160 60 uH 3.9 W

Learn More

Datasheet

792On Order

Cut Tape

¥631.2

¥584.7

¥483.4

Reel

¥438.5

¥398.6

MouseReel Available

Min.: 1
Mult.: 1

: 400

3.9 W

10 V to 40 V

15.5 V

SMD/SMT

Power Transformers - Board Mount MID-IBTI LM5160 36.5 uH 13.8 W

750315038
Wurth Elektronik
1: ¥1,785.6
1,003Expected 11/12/2026

Mfr. Part #
750315038

Mouser Part #
710-750315038

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI LM5160 36.5 uH 13.8 W

Learn More

Datasheet

1,003Expected 11/12/2026

¥1,785.6

¥1,652.7

¥1,503.2

¥1,365.3

View

Min.: 1
Mult.: 1

13.8 W

7 V to 26 V

23 V, 23 V, 23 V, 23 V

Through Hole

Power Transformers - Board Mount MID-FLYLT LT8304

750315839
Wurth Elektronik
1: ¥514.9
1,615On Order

Mfr. Part #
750315839

Mouser Part #
710-750315839

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8304

Datasheet

1,615On Order

Cut Tape

¥514.9

¥478.4

¥441.8

¥405.3

Reel

¥367.1

View

Min.: 1
Mult.: 1

: 200

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

750032051
Wurth Elektronik
1: ¥1,800.5
250Expected 8/14/2026

Mfr. Part #
750032051

Mouser Part #
710-750032051

Wurth Elektronik

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

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Datasheet

250Expected 8/14/2026

Cut Tape

¥1,800.5

¥1,687.6

Reel

¥1,466.7

¥1,270.7

¥1,079.7

MouseReel Available

Min.: 1
Mult.: 1

: 125

SMD/SMT

Power Transformers - Board Mount WE-FB LT3751 2.5 uH 127.5 W

750310355
Wurth Elektronik
1: ¥2,142.7
187On Order

Mfr. Part #
750310355

Mouser Part #
710-750310355

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3751 2.5 uH 127.5 W

Learn More

Datasheet

187On Order

¥2,142.7

¥2,006.5

¥1,744.1

¥1,569.6

¥1,245.8

Min.: 1
Mult.: 1

127.5 W

24 V

75 V

Through Hole

Power Transformers - Board Mount WE-FB LT3748 14 uH 40 W

750310988
Wurth Elektronik
1: ¥1,597.9
200Expected 11/26/2026

Mfr. Part #
750310988

Mouser Part #
710-750310988

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 14 uH 40 W

Learn More

Datasheet

200Expected 11/26/2026

Cut Tape

¥1,597.9

¥1,475

Reel

¥1,229.1

¥1,014.9

¥892

MouseReel Available

Min.: 1
Mult.: 1

: 100

40 W

12 V

48 V

SMD/SMT

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

750311589
Wurth Elektronik
1: ¥2,190.9
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

¥2,190.9

¥2,051.3

¥1,963.3

Reel

¥1,783.9

¥1,606.2

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 100 uH 800 mW

750311681
Wurth Elektronik
1: ¥573
582On Order

Mfr. Part #
750311681

Mouser Part #
710-750311681

Wurth Elektronik

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

Learn More

Datasheet

582On Order

Cut Tape

¥573

¥531.5

¥495

¥460.1

Reel

¥421.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

800 mW

12 V

- 200 V, 200 V

SMD/SMT

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

750313441
Wurth Elektronik
1: ¥687.7
413Expected 9/17/2026

Mfr. Part #
750313441

Mouser Part #
710-750313441

Wurth Elektronik

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

Learn More

Datasheet

413Expected 9/17/2026

Cut Tape

¥687.7

¥636.2

¥524.9

Reel

¥478.4

¥433.5

MouseReel Available

Min.: 1
Mult.: 1

: 250

8.8 W

8 V to 32 V

5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 6 W

750313460
Wurth Elektronik
1: ¥687.7
500Expected 12/3/2026

Mfr. Part #
750313460

Mouser Part #
710-750313460

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 6 W

Learn More

Datasheet

500Expected 12/3/2026

Cut Tape

¥687.7

¥636.2

Reel

¥478.4

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 250

6 W

4 V to 8 V

5 V

SMD/SMT

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

750032489
Wurth Elektronik
1,000: ¥903.6
Non-Stocked Lead-Time 51 Weeks

Mfr. Part #
750032489

Mouser Part #
710-750032489

Wurth Elektronik

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

Learn More

Datasheet

Non-Stocked Lead-Time 51 Weeks

Cut Tape

¥903.6

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: ¥903.6
Non-Stocked Lead-Time 51 Weeks

Mfr. Part #
750310084

Mouser Part #
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

¥903.6

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: ¥883.7
Non-Stocked Lead-Time 18 Weeks

Mfr. Part #
750310559

Mouser Part #
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

¥883.7

¥820.5

¥757.4

¥694.3

Reel

¥631.2

¥519.9

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: ¥755.8
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
750311303

Mouser Part #
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

¥755.8

¥624.5

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: ¥1,071.3
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
750311304

Mouser Part #
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

¥1,071.3

¥994.9

Reel

¥764.1

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: ¥774
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
750311305

Mouser Part #
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

¥774

¥639.5

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: ¥1,426.8
Non-Stocked Lead-Time 19 Weeks

Mfr. Part #
750311306

Mouser Part #
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

¥1,426.8

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
1: ¥807.2
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
750311307

Mouser Part #
710-750311307

Wurth Elektronik

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

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Cut Tape

¥807.2

¥755.8

¥702.6

¥651.1

Reel

¥598

¥506.6

MouseReel Available

Min.: 1
Mult.: 1

: 250

12 W

36 V

24 V

SMD/SMT

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

750311422
Wurth Elektronik
200: ¥862.1
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
750311422

Mouser Part #
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

¥862.1

¥712.6

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: ¥764.1
Non-Stocked Lead-Time 18 Weeks

Mfr. Part #
750311558

Mouser Part #
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

¥764.1

¥639.5

Reel

¥639.5

¥473.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

2 W

35 V to 75 V

5 V

SMD/SMT

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