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 LT3574 3 uH 12 W

750311308
Wurth Elektronik
1: $6.87
352In Stock

Mfr. Part No.
750311308

Mouser Part No
710-750311308

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3574 3 uH 12 W

Learn More

Datasheet

352In Stock

Cut Tape

$6.87

$6.20

$5.95

$5.77

Reel

$5.35

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

36 V

24 V

12 W

500 mA

SMD/SMT

Single Primary Winding

Single Secondary Winding

15.24 mm

13.34 mm

11.43 mm

WE-FB

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

750311660
Wurth Elektronik
1: $4.36
883In Stock

Mfr. Part No.
750311660

Mouser Part No
710-750311660

Wurth Elektronik

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

Learn More

Datasheet

883In Stock

Cut Tape

$4.36

$4.05

Reel

$3.12

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 MID-IBTI TPS55010TER 2 uH 6 W

750311780
Wurth Elektronik
1: $5.04
596In Stock

Mfr. Part No.
750311780

Mouser Part No
710-750311780

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI TPS55010TER 2 uH 6 W

Learn More

Datasheet

596In Stock

Cut Tape

$5.04

$4.98

Reel

$4.98

$3.73

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flyback Transformers

2.5 V to 3.5 V

15 V, 15 V

6 W

200 mA, 200 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

9.78 mm

9.14 mm

10.54 mm

MID-IBTI

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

750311783
Wurth Elektronik
1: $14.36
1,892In Stock

Mfr. Part No.
750311783

Mouser Part No
710-750311783

Wurth Elektronik

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

Learn More

Datasheet

1,892In Stock

Cut Tape

$14.36

$13.45

$12.87

Reel

$11.70

$10.53

MouseReel Available

Min.: 1
Mult.: 1

: 100

Flyback Transformers

19 V to 70 V

24 V

60 W

2.5 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 LT3573 30 uH 5 W

750370047
Wurth Elektronik
1: $3.92
1,533In Stock

Mfr. Part No.
750370047

Mouser Part No
710-750370047

Wurth Elektronik

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

Learn More

Datasheet

1,533In Stock

Cut Tape

$3.92

Reel

$3.92

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 LT8300 300 uH 1.9 W

750311659
Wurth Elektronik
1: $3.31
1,400In Stock

Mfr. Part No.
750311659

Mouser Part No
710-750311659

Wurth Elektronik

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

Learn More

Datasheet

1,400In Stock

Cut Tape

$3.31

$3.07

Reel

$2.36

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 LT8303 150 uH 2.9 W

750315830
Wurth Elektronik
1: $2.46
1,810In Stock

Mfr. Part No.
750315830

Mouser Part No
710-750315830

Wurth Elektronik

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

Learn More

Datasheet

1,810In Stock

Cut Tape

$2.46

$2.33

$1.97

Reel

$1.80

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 MID-IBTI TPS55010RTER 2.5 uH 1 W

750311880
Wurth Elektronik
1: $3.62
1,311In Stock

Mfr. Part No.
750311880

Mouser Part No
710-750311880

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI TPS55010RTER 2.5 uH 1 W

Learn More

Datasheet

1,311In Stock

Cut Tape

$3.62

$3.18

$2.72

Reel

$2.72

$2.50

View

Min.: 1
Mult.: 1

: 300

Flyback Transformers

3 V to 6 V

5 V

1 W

200 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

9.78 mm

9.14 mm

10.54 mm

MID-IBTI

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

750312924
Wurth Elektronik
1: $3.40
1,816In Stock

Mfr. Part No.
750312924

Mouser Part No
710-750312924

Wurth Elektronik

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

Learn More

Datasheet

1,816In Stock

Cut Tape

$3.40

$3.23

$2.50

Reel

$2.50

View

MouseReel Available

Min.: 1
Mult.: 1

: 925

Flyback Transformers

36 V to 75 V

10 V, 5 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 WE-FB LT3573 25 uH 10 W

750310471
Wurth Elektronik
1: $7.32
317In Stock

Mfr. Part No.
750310471

Mouser Part No
710-750310471

Wurth Elektronik

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

Learn More

Datasheet

317In Stock

Cut Tape

$7.32

$6.86

$6.56

$5.97

Reel

$5.37

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-FLYLT LT8300 300 uH 3.6 W

750312365
Wurth Elektronik
1: $3.55
1,325In Stock

Mfr. Part No.
750312365

Mouser Part No
710-750312365

Wurth Elektronik

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

Learn More

Datasheet

1,325In Stock

Cut Tape

$3.55

$2.38

Reel

$2.38

MouseReel Available

Min.: 1
Mult.: 1

: 400

POE - Power Over Ethernet Transformers

30 V to 72 V

12 V

3.6 W

300 mA

SMD/SMT

Dual Primary Winding

Single Secondary Winding

10.16 mm

13.36 mm

8.64 mm

MID-FLYLT

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

750313439
Wurth Elektronik
1: $4.14
964In Stock

Mfr. Part No.
750313439

Mouser Part No
710-750313439

Wurth Elektronik

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

Learn More

Datasheet

964In Stock

Cut Tape

$4.14

$3.83

Reel

$2.88

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 MID-PPMAX MAX14855 388 uH 1.1 W

750315227
Wurth Elektronik
1: $3.03
3,547In Stock

Mfr. Part No.
750315227

Mouser Part No
710-750315227

Wurth Elektronik

Power Transformers - Board Mount MID-PPMAX MAX14855 388 uH 1.1 W

Learn More

Datasheet

3,547In Stock

Cut Tape

$3.03

$2.88

$2.68

$2.43

Reel

$2.22

Quote

Min.: 1
Mult.: 1

: 1,200

Push-Pull Transformers

3.3 V

5.61 V

1.1 W

200 mA

SMD/SMT

Dual Primary Winding

Dual Secondary Winding

6.73 mm

10.46 mm

4.19 mm

MID-PPMAX

Power Transformers - Board Mount WE-FB LT3748 50 uH 20 W

750311423
Wurth Elektronik
1: $7.24
663In Stock

Mfr. Part No.
750311423

Mouser Part No
710-750311423

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 50 uH 20 W

Learn More

Datasheet

663In Stock

Cut Tape

$7.24

$6.78

$6.13

Reel

$5.95

$5.56

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

36 V

5 V

20 W

4 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.46 mm

17.75 mm

12.7 mm

WE-FB

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

750315230
Wurth Elektronik
1: $3.99
1,208In Stock

Mfr. Part No.
750315230

Mouser Part No
710-750315230

Wurth Elektronik

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

Learn More

Datasheet

1,208In Stock

Cut Tape

$3.99

$3.79

$3.19

Reel

$2.93

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 WE-FB LT3575 7 uH 15 W

750311567
Wurth Elektronik
1: $9.67
20In Stock
400Expected 23/07/2026

Mfr. Part No.
750311567

Mouser Part No
710-750311567

Wurth Elektronik

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

Learn More

Datasheet

20In Stock

400Expected 23/07/2026

Cut Tape

$9.67

$9.06

$8.66

$7.88

Reel

$7.09

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 WE-FB LT3748 3.8 uH 9 W

750311856
Wurth Elektronik
1: $5.04
72In Stock

Mfr. Part No.
750311856

Mouser Part No
710-750311856

Wurth Elektronik

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

Learn More

Datasheet

72In Stock

Cut Tape

$5.04

$4.68

$4.32

$3.96

Reel

$3.60

$2.97

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 LT3748 8 uH 45.6 W

750311590
Wurth Elektronik
1: $13.19
66In Stock
100Expected 23/07/2026

Mfr. Part No.
750311590

Mouser Part No
710-750311590

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 8 uH 45.6 W

Learn More

Datasheet

66In Stock

100Expected 23/07/2026

Cut Tape

$13.19

$12.35

Reel

$10.74

$9.67

MouseReel Available

Min.: 1
Mult.: 1

: 100

Flyback Transformers

20 V to 48 V

12 V

45.6 W

3.8 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 12 uH 30 W

750311600
Wurth Elektronik
1: $11.72
114In Stock

Mfr. Part No.
750311600

Mouser Part No
710-750311600

Wurth Elektronik

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

Learn More

Datasheet

114In Stock

Cut Tape

$11.72

$10.98

Reel

$10.98

$8.59

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-PPMAX MAX14940 384 uH 500 mW

750315232
Wurth Elektronik
1: $3.20
786In Stock

Mfr. Part No.
750315232

Mouser Part No
710-750315232

Wurth Elektronik

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

Learn More

Datasheet

786In Stock

Cut Tape

$3.20

$2.97

$2.51

Reel

$2.28

$1.88

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: $5.07
192In Stock

Mfr. Part No.
750342156

Mouser Part No
710-750342156

Wurth Elektronik

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

Learn More

Datasheet

192In Stock

Cut Tape

$5.07

$4.69

$4.27

$3.88

Reel

$3.53

$3.20

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-IBTI LM5017MRX 45 uH 1.5 W

750314462
Wurth Elektronik
1: $4.77
98In Stock

Mfr. Part No.
750314462

Mouser Part No
710-750314462

Wurth Elektronik

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

Learn More

Datasheet

98In Stock

Cut Tape

$4.77

$4.41

Reel

$3.32

MouseReel Available

Min.: 1
Mult.: 1

: 500

Flyback Transformers

16 V to 36 V

5 V, 12 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 WE-FB LT3748 100 uH 12 W

750311456
Wurth Elektronik
1: $7.31
145In Stock

Mfr. Part No.
750311456

Mouser Part No
710-750311456

Wurth Elektronik

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

Learn More

Datasheet

145In Stock

Cut Tape

$7.31

$6.79

Reel

$5.22

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

36 V

12 V

12 W

1 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.46 mm

17.75 mm

12.7 mm

WE-FB

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

750370041
Wurth Elektronik
1: $4.68
302In Stock
900On Order

Mfr. Part No.
750370041

Mouser Part No
710-750370041

Wurth Elektronik

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

Learn More

Datasheet

302In Stock

900On Order

Cut Tape

$4.68

$4.29

$4.07

$3.84

Reel

$3.60

$3.32

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 MID-FLYLT 9-36V 50-200kHz

750315832
Wurth Elektronik
1: $2.46
332In Stock

Mfr. Part No.
750315832

Mouser Part No
710-750315832

Wurth Elektronik

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

Learn More

Datasheet

332In Stock

Cut Tape

$2.46

$2.33

$1.97

Reel

$1.86

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

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

- 17.5 V, 17.5 V
3.3 V
3.3 V, 3.3 V
3.63 V
4.29 V
5 V
5 V, - 5 V
5 V, 12 V, - 12 V
5 V, 5 V
5 V, 7.5 V, 10 V
5.61 V
6.6 V
7 V
7 V, - 7 V
7 V, 5 V, - 5 V, - 7 V
7.5 V, - 7.5 V, 15 V, - 15 V
9 V
10 V
10 V, 5 V
10 V, 5 V, - 5 V, - 10 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