Power Transformers - Board Mount

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DC/DC Converter Transformers

Würth Elektronik DC/DC Converter Transformers include the MID-PPTI, MID-PPMAX, MID-IBTI, MID-IBTEL, MID-IBMAX, MID-PLN, MID-HB, WE-FB, MID-FLYMAX, MID-FLYLT, and MID-FLYADI series. These transformers feature a wide range of options from output voltages, with or without AUX, THT, or SMT, and single or multiple outputs. Würth Elektronik DC/DC Converter Transformers are suitable for isolated DC/DC SMPS, industrial controls, building automation, and telecom converter applications.

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Part #

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

750370041
Wurth Elektronik
1: S/18.22
1,137In Stock

Mfr. Part #
750370041

Mouser Part #
710-750370041

Wurth Elektronik

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

Learn More

Datasheet

1,137In Stock

Cut Tape

S/18.22

S/16.70

S/16.54

Reel

S/16.54

S/16.08

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flyback Transformers

18 V to 30 V

5 V

5 W

1 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

9.78 mm

9.14 mm

10.54 mm

WE-FB

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

750311567
Wurth Elektronik
1: S/37.64
420In Stock

Mfr. Part #
750311567

Mouser Part #
710-750311567

Wurth Elektronik

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

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Datasheet

420In Stock

Cut Tape

S/37.64

S/35.27

S/33.71

S/30.67

Reel

S/27.60

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

10 V to 40 V

5 V

15 W

3 A

SMD/SMT

Single Primary Winding

Dual Secondary Winding

13.34 mm

15.24 mm

11.43 mm

WE-FB

Power Transformers - Board Mount MID-PPMAX MAX14940 384 uH 800 mW

750315230
Wurth Elektronik
1: S/15.53
1,167In Stock

Mfr. Part #
750315230

Mouser Part #
710-750315230

Wurth Elektronik

Power Transformers - Board Mount MID-PPMAX MAX14940 384 uH 800 mW

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Datasheet

1,167In Stock

Cut Tape

S/15.53

S/14.75

S/12.42

Reel

S/11.41

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 500

Signal Transformers

5 V

800 mW

150 mA

SMD/SMT

Dual Primary Winding

Dual Secondary Winding

9.14 mm

12.7 mm

7.62 mm

MID-PPMAX

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

750311659
Wurth Elektronik
1: S/11.44
1,398In Stock

Mfr. Part #
750311659

Mouser Part #
710-750311659

Wurth Elektronik

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

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Datasheet

1,398In Stock

Cut Tape

S/11.44

S/9.93

S/9.65

S/9.34

Reel

S/8.87

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flyback Transformers

36 V to 72 V

24 V

1.9 W

80 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

9.78 mm

9.14 mm

10.54 mm

MID-FLYLT

Power Transformers - Board Mount MID-FLYLT LT8300 350 uH 2.1 W

750311660
Wurth Elektronik
1: S/16.97
882In Stock

Mfr. Part #
750311660

Mouser Part #
710-750311660

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 350 uH 2.1 W

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Datasheet

882In Stock

Cut Tape

S/16.97

S/15.76

Reel

S/12.14

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flyback Transformers

36 V to 72 V

15 V

2.1 W

140 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

9.78 mm

9.14 mm

10.54 mm

MID-FLYLT

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

750370047
Wurth Elektronik
1: S/15.26
1,420In Stock

Mfr. Part #
750370047

Mouser Part #
710-750370047

Wurth Elektronik

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

Learn More

Datasheet

1,420In Stock

Cut Tape

S/15.26

Reel

S/15.26

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

Flyback Transformers

10 V to 30 V

5 V

5 W

1 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.35 mm

10.8 mm

9.14 mm

WE-FB

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

750315830
Wurth Elektronik
1: S/9.58
1,792In Stock

Mfr. Part #
750315830

Mouser Part #
710-750315830

Wurth Elektronik

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

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Datasheet

1,792In Stock

Cut Tape

S/9.58

S/9.07

S/7.67

Reel

S/7.01

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

Flyback Transformers

36 V to 72 V

48 V

2.9 W

60 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

10.16 mm

13.36 mm

8.64 mm

MID-FLYLT

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

750310471
Wurth Elektronik
1: S/28.49
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

S/28.49

S/26.70

S/25.53

S/23.24

Reel

S/20.90

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

9 V to 30 V

5 V

10 W

2 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.34 mm

15.24 mm

11.43 mm

WE-FB

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

750316743
Wurth Elektronik
1: S/36.71
1,050In 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

1,050In Stock

Cut Tape

S/36.71

S/33.86

Reel

S/23.28

MouseReel Available

Min.: 1
Mult.: 1

: 400

Flyback Transformers

18 V to 32 V

24 V

700 mW

30 mA

SMD/SMT

Single Primary Winding

Single Secondary Winding

8.26 mm

8.6 mm

9.65 mm

MID-FLYADI

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

750317233
Wurth Elektronik
1: S/29.54
1,269In 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

1,269In Stock

Cut Tape

S/29.54

S/27.29

Reel

S/27.29

S/18.76

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flyback Transformers

8 V to 28 V

5 V

2.5 W

500 mA

SMD/SMT

Single Primary Winding

Single Secondary Winding

9.78 mm

9.5 mm

10.54 mm

MID-FLYMAX

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

750317236
Wurth Elektronik
1: S/29.04
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

S/29.04

S/26.78

Reel

S/26.78

S/18.41

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flyback Transformers

18 V to 60 V

12 V

3 W

250 mA

SMD/SMT

Single Primary Winding

Single Secondary Winding

9.78 mm

9.5 mm

10.54 mm

MID-FLYMAX

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

750313439
Wurth Elektronik
1: S/16.11
943In 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

943In Stock

Cut Tape

S/16.11

S/14.91

Reel

S/11.21

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 250

Flyback Transformers

8 V to 40 V

3.3 V

6.6 W

2 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.34 mm

15.24 mm

11.43 mm

MID-FLYLT

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

750311911
Wurth Elektronik
1: S/31.37
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

S/31.37

S/28.30

S/27.17

S/26.86

View

Min.: 1
Mult.: 1

Flyback Transformers

8 V to 24 V

15 V, 15 V, 15 V, 15 V

12 W

200 mA, 200 mA, 200 mA, 200 mA

Through Hole

Dual Primary Winding

Quad Secondary Winding

22.2 mm

25 mm

16 mm

WE-FB

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

750312924
Wurth Elektronik
1: S/13.23
1,761In 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

1,761In Stock

Cut Tape

S/13.23

S/12.57

S/9.73

Reel

S/9.73

View

MouseReel Available

Min.: 1
Mult.: 1

: 925

Flyback Transformers

36 V to 75 V

5 V, 10 V

1.6 W

80 mA, 120 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

8.35 mm

9.5 mm

6.35 mm

MID-IBTI

Power Transformers - Board Mount MID-OLTI UCC28722 1.35 mH 6 W

750342104
Wurth Elektronik
1: S/31.65
1,124In Stock

Mfr. Part #
750342104

Mouser Part #
710-750342104

Wurth Elektronik

Power Transformers - Board Mount MID-OLTI UCC28722 1.35 mH 6 W

Learn More

Datasheet

1,124In Stock

S/31.65

S/27.40

S/27.36

S/25.03

View

Min.: 1
Mult.: 1

Flyback Transformers

85 VAC to 265 VAC

12 V

6 W

500 mA

Through Hole

Dual Primary Winding

Single Secondary Winding

16.9 mm

18.8 mm

13.31 mm

MID-OLTI

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

750311593
Wurth Elektronik
1: S/55.90
138In Stock

Mfr. Part #
750311593

Mouser Part #
710-750311593

Wurth Elektronik

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

Learn More

Datasheet

138In Stock

Cut Tape

S/55.90

S/52.35

Reel

S/52.35

S/40.99

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 100

Flyback Transformers

30 V to 75 V

5 V

45 W

9 A

SMD/SMT

Dual Primary Winding

Triple Secondary Winding

27.03 mm

32.31 mm

13.69 mm

WE-FB

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

750311605
Wurth Elektronik
1: S/45.62
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

S/45.62

S/42.74

Reel

S/37.17

S/33.44

MouseReel Available

Min.: 1
Mult.: 1

: 125

Flyback Transformers

30 V to 75 V

5 V

30 W

6 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

23.11 mm

29.08 mm

11.43 mm

WE-FB

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

750311856
Wurth Elektronik
1: S/19.62
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

S/19.62

S/18.22

S/16.82

S/15.41

Reel

S/14.01

S/11.56

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

16 V to 24 V

15 V, 15 V, 15 V, 15 V

9 W

150 mA, 150 mA, 150 mA, 150 mA

SMD/SMT

Dual Primary Winding

Quad Secondary Winding

13.97 mm

17.17 mm

12.7 mm

WE-FB

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

750311268
Wurth Elektronik
1: S/28.10
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

S/28.10

S/25.92

Reel

S/25.92

S/17.83

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flyback Transformers

9 V to 16 V

100 V

5 W

50 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

9.78 mm

9.14 mm

10.54 mm

WE-FB

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

750314462
Wurth Elektronik
1: S/18.57
8In 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

8In Stock

Cut Tape

S/18.57

S/17.17

Reel

S/12.92

MouseReel Available

Min.: 1
Mult.: 1

: 500

Flyback Transformers

16 V to 36 V

- 12 V, 5 V, 12 V

1.5 W

40 mA, 40 mA, 100 mA

SMD/SMT

Single Primary Winding

Triple Secondary Winding

12.95 mm

12.7 mm

5.98 mm

MID-IBTI

Power Transformers - Board Mount MID-PPMAX MAX14940 384 uH 500 mW

750315232
Wurth Elektronik
1: S/12.46
372In Stock

Mfr. Part #
750315232

Mouser Part #
710-750315232

Wurth Elektronik

Power Transformers - Board Mount MID-PPMAX MAX14940 384 uH 500 mW

Learn More

Datasheet

372In Stock

Cut Tape

S/12.46

S/11.56

S/9.77

Reel

S/8.87

S/7.32

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Signal Transformers

3.3 V

5 V

500 mW

100 mA

SMD/SMT

Dual Primary Winding

Dual Secondary Winding

9.14 mm

12.7 mm

7.62 mm

MID-PPMAX

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

750342156
Wurth Elektronik
1: S/19.73
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

S/19.73

S/18.26

S/16.62

S/15.10

Reel

S/13.74

S/12.46

MouseReel Available

Min.: 1
Mult.: 1

: 250

Power

15 V to 40 V

12.7 V, 12.7 V

15.2 W

600 mA, 600 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

13.34 mm

15.24 mm

11.43 mm

MID-IBTI

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

750315832
Wurth Elektronik
1: S/9.58
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

S/9.58

S/9.07

S/7.67

Reel

S/7.24

MouseReel Available

Min.: 1
Mult.: 1

: 400

Flyback Transformers

9 V to 36 V

100 V

1.5 W

15 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

10.16 mm

13.36 mm

8.64 mm

MID-FLYLT

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

750311600
Wurth Elektronik
1: S/45.62
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

S/45.62

S/42.74

Reel

S/42.74

S/33.44

MouseReel Available

Min.: 1
Mult.: 1

: 125

Flyback Transformers

30 V to 75 V

15 V

30 W

2 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

23.11 mm

29.08 mm

11.43 mm

WE-FB

Power Transformers - Board Mount MID-FLYMAX MAX17596 11 uH 19.2 W

750316112
Wurth Elektronik
1: S/37.56
595In Stock

Mfr. Part #
750316112

Mouser Part #
710-750316112

Wurth Elektronik

Power Transformers - Board Mount MID-FLYMAX MAX17596 11 uH 19.2 W

Learn More

Datasheet

595In Stock

Cut Tape

S/37.56

S/34.68

Reel

S/23.86

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

17 V to 36 V

12 V

19.2 W

1.6 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.46 mm

17.75 mm

12.7 mm

MID-FLYMAX

DC/DC Converter Transformers

Customer Service Office

Company

Resources

Support

2 V to 5.5 V
2.5 V to 3.5 V
3 V to 24 V
3 V to 6 V
3.3 V
4 V to 8 V
5 V
5 V to 32 V
6 V to 12.6 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
- 15 V, - 7.5 V, 7.5 V, 15 V
- 15 V, 15 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
- 7 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
3.63 V
4.29 V
5 V

100 mW
150 mW
300 mW
500 mW
600 mW
700 mW
800 mW
900 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

1 mA
1 mA, 1 mA
2 mA, 2 mA
5 mA, 30 mA
15 mA
20 mA, 20 mA, 100 mA
20 mA, 40 mA, 40 mA
20 mA, 40 mA, 50 mA
25 mA, 25 mA, 80 mA, 80 mA
25 mA, 50 mA
30 mA
30 mA, 30 mA
30 mA, 30 mA, 80 mA, 80 mA
30 mA, 45 mA
33 mA, 100 mA, 100 mA
35 mA, 35 mA
40 mA, 40 mA, 100 mA
45 mA
50 mA
50 mA, 50 mA

6.6 mm
6.73 mm
7 mm
8.26 mm
8.35 mm
9.14 mm
9.78 mm
10 mm
10.16 mm
10.8 mm
12.95 mm
13.34 mm
13.35 mm
13.46 mm
13.72 mm
13.97 mm
14.22 mm
14.6 mm
15.24 mm
15.49 mm

6.91 mm
8.26 mm
8.6 mm
9.1 mm
9.14 mm
9.5 mm
9.78 mm
10.05 mm
10.41 mm
10.46 mm
10.8 mm
12.21 mm
12.7 mm
12.85 mm
12.95 mm
13.34 mm
13.35 mm
13.36 mm
14 mm
14.21 mm

4 mm
4.19 mm
5 mm
5.59 mm
5.97 mm
5.98 mm
6.35 mm
6.99 mm
7.62 mm
7.8 mm
8.5 mm
8.64 mm
9.14 mm
9.4 mm
9.65 mm
10.41 mm
10.54 mm
11.43 mm
12 mm
12.7 mm