Transformers – Mouser Bulgaria

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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 LTC3300 3.46 uH 5 W

750312504
Wurth Elektronik
1: 2,64 €
150In Stock
800Expected 9/9/2026

Mfr. Part No.
750312504

Mouser Part No
710-750312504

Wurth Elektronik

Power Transformers - Board Mount WE-FB LTC3300 3.46 uH 5 W

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Datasheet

150In Stock

800Expected 9/9/2026

Cut Tape

2,64 €

2,45 €

2,26 €

2,07 €

Reel

2,07 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

5 W

2 V to 5.5 V

20 V

SMD/SMT

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

750312557
Wurth Elektronik
1: 3,23 €
73In Stock
400Expected 9/10/2026

Mfr. Part No.
750312557

Mouser Part No
710-750312557

Wurth Elektronik

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

Learn More

Datasheet

73In Stock

400Expected 9/10/2026

Cut Tape

3,23 €

2,99 €

Reel

2,30 €

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

1.9 W

36 V to 72 V

5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 7.5 W

750313442
Wurth Elektronik
1: 3,56 €
250In Stock

Mfr. Part No.
750313442

Mouser Part No
710-750313442

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 7.5 W

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Datasheet

250In Stock

Cut Tape

3,56 €

3,29 €

Reel

2,48 €

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 250

7.5 W

8 V to 40 V

5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 7.7 W

750313445
Wurth Elektronik
1: 3,56 €
213In Stock
6.750On Order

Mfr. Part No.
750313445

Mouser Part No
710-750313445

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 7.7 W

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Datasheet

213In Stock

6.750On Order

Cut Tape

3,56 €

3,29 €

2,99 €

2,72 €

Reel

2,48 €

2,24 €

MouseReel Available

Min.: 1
Mult.: 1

: 250

7.7 W

8 V to 32 V

24 V

SMD/SMT

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

750313973
Wurth Elektronik
1: 4,52 €
423In Stock
1.000Expected 4/1/2027

Mfr. Part No.
750313973

Mouser Part No
710-750313973

Wurth Elektronik

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

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Datasheet

423In Stock

1.000Expected 4/1/2027

Cut Tape

4,52 €

4,18 €

3,80 €

3,46 €

Reel

3,14 €

2,86 €

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-FLYLT LT8301 40 uH 3.4 W

750313976
Wurth Elektronik
1: 4,52 €
42In Stock
1.000Expected 9/17/2026

Mfr. Part No.
750313976

Mouser Part No
710-750313976

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W

Learn More

Datasheet

42In Stock

1.000Expected 9/17/2026

Cut Tape

4,52 €

4,18 €

3,46 €

Reel

3,14 €

2,86 €

MouseReel Available

Min.: 1
Mult.: 1

: 250

3.4 W

8 V to 32 V

48 V, 48 V

SMD/SMT

Power Transformers - Board Mount MID-IBTI LM5017MR 50 uH 1.5 W

750313995
Wurth Elektronik
1: 5,15 €
28In Stock

Mfr. Part No.
750313995

Mouser Part No
710-750313995

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI LM5017MR 50 uH 1.5 W

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Datasheet

28In Stock

Cut Tape

5,15 €

5,08 €

Reel

5,08 €

3,81 €

MouseReel Available

Min.: 1
Mult.: 1

: 200

1.5 W

15 V to 40 V

5 V, 5 V, 15 V, 15 V

SMD/SMT

Power Transformers - Board Mount WE-FB Flyback 33.8uH 1.0A 10% TOL

750314226
Wurth Elektronik
1: 5,21 €
52In Stock

Mfr. Part No.
750314226

Mouser Part No
710-750314226

Wurth Elektronik

Power Transformers - Board Mount WE-FB Flyback 33.8uH 1.0A 10% TOL

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Datasheet

52In Stock

Cut Tape

5,21 €

4,83 €

4,46 €

4,09 €

Reel

4,09 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

4.5 W

15 V to 40 V

15 V, 15 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.3 W

750315825
Wurth Elektronik
1: 2,38 €
20In Stock

Mfr. Part No.
750315825

Mouser Part No
710-750315825

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.3 W

Learn More

Datasheet

20In Stock

Cut Tape

2,38 €

2,26 €

Reel

1,75 €

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

3.3 W

36 V to 72 V

3.3 V

SMD/SMT

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

750315827
Wurth Elektronik
1: 2,12 €
381In Stock

Mfr. Part No.
750315827

Mouser Part No
710-750315827

Wurth Elektronik

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

Learn More

Datasheet

381In Stock

Cut Tape

2,12 €

2,00 €

Reel

1,55 €

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

2.9 W

36 V to 72 V

5 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.1 W

750315828
Wurth Elektronik
1: 2,12 €
596In Stock

Mfr. Part No.
750315828

Mouser Part No
710-750315828

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.1 W

Learn More

Datasheet

596In Stock

Cut Tape

2,12 €

2,00 €

1,69 €

Reel

1,55 €

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

3.1 W

36 V to 72 V

12 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.1 W

750315829
Wurth Elektronik
1: 2,12 €
742In Stock
1.200Expected 2/4/2027

Mfr. Part No.
750315829

Mouser Part No
710-750315829

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.1 W

Learn More

Datasheet

742In Stock

1.200Expected 2/4/2027

Cut Tape

2,12 €

2,00 €

1,69 €

Reel

1,55 €

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

3.1 W

36 V to 72 V

24 V

SMD/SMT

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

750315834
Wurth Elektronik
1: 2,12 €
35In Stock

Mfr. Part No.
750315834

Mouser Part No
710-750315834

Wurth Elektronik

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

Learn More

Datasheet

35In Stock

Cut Tape

2,12 €

2,00 €

Reel

1,55 €

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-FLYLT LT8304 40 uH 14.4 W

750315836
Wurth Elektronik
1: 2,58 €
660In Stock

Mfr. Part No.
750315836

Mouser Part No
710-750315836

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 14.4 W

Learn More

Datasheet

660In Stock

Cut Tape

2,58 €

2,46 €

2,35 €

2,23 €

Reel

2,23 €

2,00 €

MouseReel Available

Min.: 1
Mult.: 1

: 200

14.4 W

36 V to 75 V

24 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 14.4 W

750315837
Wurth Elektronik
1: 2,79 €
70In Stock
200Expected 9/17/2026

Mfr. Part No.
750315837

Mouser Part No
710-750315837

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 14.4 W

Learn More

Datasheet

70In Stock

200Expected 9/17/2026

Cut Tape

2,79 €

2,65 €

2,53 €

2,40 €

Reel

2,40 €

2,15 €

Min.: 1
Mult.: 1

: 200

14.4 W

36 V to 75 V

48 V

SMD/SMT

Power Transformers - Board Mount WE-FB SMD Flyback On REFDsgn LM3481 TI

750316152
Wurth Elektronik
1: 13,72 €
46In Stock

Mfr. Part No.
750316152

Mouser Part No
710-750316152

Wurth Elektronik

Power Transformers - Board Mount WE-FB SMD Flyback On REFDsgn LM3481 TI

Learn More

Datasheet

46In Stock

Cut Tape

13,72 €

12,66 €

Reel

12,66 €

8,70 €

MouseReel Available

Min.: 1
Mult.: 1

: 100

36 W

5 V to 32 V

12 V

SMD/SMT

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

750370040
Wurth Elektronik
1: 3,85 €
1.200On Order

Mfr. Part No.
750370040

Mouser Part No
710-750370040

Wurth Elektronik

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

Learn More

Datasheet

1.200On Order

Cut Tape

3,85 €

3,64 €

3,41 €

3,19 €

Reel

2,97 €

2,58 €

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 6 W

750370058
Wurth Elektronik
1: 2,86 €
2In Stock
400Expected 3/18/2027

Mfr. Part No.
750370058

Mouser Part No
710-750370058

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 25 uH 6 W

Learn More

Datasheet

2In Stock

400Expected 3/18/2027

Cut Tape

2,86 €

Reel

2,03 €

1,68 €

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

6 W

10 V to 30 V

15 V

SMD/SMT

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

750811048
Wurth Elektronik
1: 4,42 €
60In 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

60In Stock

4,42 €

4,13 €

3,84 €

3,54 €

View

Min.: 1
Mult.: 1

9 W

85 V to 265 V

30 V

Through Hole

Power Transformers - Board Mount WE-FB LT3512 151 uH 6.24 W

750311662
Wurth Elektronik
1: 7,10 €
237In Stock

Mfr. Part No.
750311662

Mouser Part No
710-750311662

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3512 151 uH 6.24 W

Learn More

Datasheet

237In Stock

Cut Tape

7,10 €

6,55 €

6,01 €

5,46 €

Reel

5,46 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

6.24 W

36 V to 72 V

48 V

SMD/SMT

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

750310562
Wurth Elektronik
1: 5,23 €
477Expected 10/29/2026

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

477Expected 10/29/2026

Cut Tape

5,23 €

4,85 €

Reel

3,73 €

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: 6,30 €
Lead-Time 19 Weeks

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

Lead-Time 19 Weeks

Cut Tape

6,30 €

5,83 €

5,59 €

5,42 €

Reel

5,08 €

View

Min.: 1
Mult.: 1

: 200

9.6 W

18 V to 30 V

12 V

SMD/SMT

Power Transformers - Board Mount WE-FB LT3748 14 uH 30 W

750311607
Wurth Elektronik
1: 7,95 €
476Expected 12/21/2026

Mfr. Part No.
750311607

Mouser Part No
710-750311607

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 14 uH 30 W

Learn More

Datasheet

476Expected 12/21/2026

Cut Tape

7,95 €

7,34 €

6,73 €

Reel

6,11 €

5,04 €

4,43 €

MouseReel Available

Min.: 1
Mult.: 1

: 125

30 W

30 V to 75 V

12 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.7 W

750312558
Wurth Elektronik
1: 3,34 €
1.470Expected 1/7/2027

Mfr. Part No.
750312558

Mouser Part No
710-750312558

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.7 W

Learn More

Datasheet

1.470Expected 1/7/2027

Cut Tape

3,34 €

3,10 €

2,62 €

Reel

2,38 €

1,97 €

MouseReel Available

Min.: 1
Mult.: 1

: 300

1.7 W

36 V to 72 V

12 V, 12 V

SMD/SMT

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.7 W

750312559
Wurth Elektronik
1: 3,08 €
800Expected 12/24/2026

Mfr. Part No.
750312559

Mouser Part No
710-750312559

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.7 W

Learn More

Datasheet

800Expected 12/24/2026

Cut Tape

3,08 €

2,86 €

2,43 €

2,16 €

Reel

2,16 €

1,84 €

MouseReel Available

Min.: 1
Mult.: 1

: 400

1.7 W

36 V to 72 V

24 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