Power Transformers - Board Mount

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Components for Battery Chargers

Würth Elektronik Electronic Components for Battery Chargers include common mode chokes, capacitors, sure protection, ferrites for cable assembly, transformers for AC/DC converters, wireless power, LEDs, and inductors. The electromechanical components include wire-to-board connectors, REDCUBE terminals, detector switches, spacers, and SKEDD connectors.

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Part #

Power Transformers - Board Mount WE-PoEH High Power EPQ13 100uH 60W

7491196112
Wurth Elektronik
1: $10.05
95In Stock

Mfr. Part No.
7491196112

Mouser Part No
710-7491196112

Wurth Elektronik

Power Transformers - Board Mount WE-PoEH High Power EPQ13 100uH 60W

Learn More

Datasheet

95In Stock

Cut Tape

$10.05

$9.51

$9.49

Reel

$6.24

$5.25

Min.: 1
Mult.: 1

: 150

POE - Power Over Ethernet Transformers

33 V to 57 V

12 V

60 W

2.5 A

SMD/SMT

Single Primary Winding

Dual Secondary Winding

14 mm

17.65 mm

14.5 mm

WE-PoEH

Power Transformers - Board Mount WE-PoEH High Power EPQ13 100uH 52.8W

749119633
Wurth Elektronik
1: $10.04
40In Stock

Mfr. Part No.
749119633

Mouser Part No
710-749119633

Wurth Elektronik

Power Transformers - Board Mount WE-PoEH High Power EPQ13 100uH 52.8W

Learn More

Datasheet

40In Stock

Cut Tape

$10.04

$9.49

Reel

$8.04

$5.83

Min.: 1
Mult.: 1

: 150

POE - Power Over Ethernet Transformers

33 V to 57 V

3.3 V

52.8 W

8 A

SMD/SMT

Single Primary Winding

Dual Secondary Winding

14 mm

17.65 mm

14.5 mm

WE-PoEH

Power Transformers - Board Mount WE-PoEH High Power EPQ13 100uH 70W

749119650
Wurth Elektronik
1: $7.96
176In Stock

Mfr. Part No.
749119650

Mouser Part No
710-749119650

Wurth Elektronik

Power Transformers - Board Mount WE-PoEH High Power EPQ13 100uH 70W

Learn More

Datasheet

176In Stock

Cut Tape

$7.96

$7.94

$7.82

$7.81

Reel

$6.91

View

Min.: 1
Mult.: 1

: 150

POE - Power Over Ethernet Transformers

33 V to 57 V

5 V

70 W

7 A

SMD/SMT

Single Primary Winding

Dual Secondary Winding

14 mm

17.65 mm

14.5 mm

WE-PoEH

Power Transformers - Board Mount WE-PoE Size ER13 127uH 220mOhm

7491199112
Wurth Elektronik
1: $8.17
66In Stock
1,400Expected 30/10/2026

Mfr. Part No.
7491199112

Mouser Part No
710-7491199112

Wurth Elektronik

Power Transformers - Board Mount WE-PoE Size ER13 127uH 220mOhm

Learn More

Datasheet

66In Stock

1,400Expected 30/10/2026

Cut Tape

$8.17

$7.89

$7.45

$7.00

Reel

$6.26

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

POE - Power Over Ethernet Transformers

36 V to 57 V

12 V

13 W

550 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

13.46 mm

17.75 mm

12.7 mm

WE-PoE

Power Transformers - Board Mount WE-PoE Size ER13 127uH 220mohm

749119933
Wurth Elektronik
1: $8.19
121In Stock
200Expected 18/9/2026

Mfr. Part No.
749119933

Mouser Part No
710-749119933

Wurth Elektronik

Power Transformers - Board Mount WE-PoE Size ER13 127uH 220mohm

Learn More

Datasheet

121In Stock

200Expected 18/9/2026

Cut Tape

$8.19

$7.90

$7.89

$7.45

Reel

$5.92

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

POE - Power Over Ethernet Transformers

36 V to 57 V

3.3 V

13 W

2 A

SMD/SMT

Single Primary Winding

Dual Secondary Winding

13.46 mm

17.75 mm

12.7 mm

WE-PoE

Power Transformers - Board Mount WE-PoE Size ER13 127uH 40mohm

749119950
Wurth Elektronik
1: $8.17
36In Stock
1,000On Order

Mfr. Part No.
749119950

Mouser Part No
710-749119950

Wurth Elektronik

Power Transformers - Board Mount WE-PoE Size ER13 127uH 40mohm

Learn More

Datasheet

36In Stock

1,000On Order

Cut Tape

$8.17

$7.89

$7.45

$7.00

Reel

$6.57

MouseReel Available

Min.: 1
Mult.: 1

: 200

POE - Power Over Ethernet Transformers

36 V to 57 V

5 V

13 W

1.3 A

SMD/SMT

Single Primary Winding

Dual Secondary Winding

13.46 mm

17.75 mm

12.7 mm

WE-PoE

Power Transformers - Board Mount WE-FLEX Trnsfmr HV 224.6uH .02A

749196108
Wurth Elektronik
1: $12.65
147In Stock

Mfr. Part No.
749196108

Mouser Part No
710-749196108

Wurth Elektronik

Power Transformers - Board Mount WE-FLEX Trnsfmr HV 224.6uH .02A

Learn More

Datasheet

147In Stock

Cut Tape

$12.65

$11.38

$10.12

$9.28

Reel

$8.43

$7.59

MouseReel Available

Min.: 1
Mult.: 1

: 500

Signal Transformers

SMD/SMT

Triple Primary Winding

Triple Secondary Winding

12.9 mm

13 mm

6.2 mm

WE-FLEX HV

Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter

749196131
Wurth Elektronik
1: $7.43
79In Stock
500Expected 18/9/2026

Mfr. Part No.
749196131

Mouser Part No
710-749196131

Wurth Elektronik

Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter

Learn More

Datasheet

79In Stock

500Expected 18/9/2026

Cut Tape

$7.43

$6.88

$6.79

$6.20

$5.66

Reel

$5.13

Min.: 1
Mult.: 1

: 500

WE-FLEX

Power Transformers - Board Mount WR-FLEX Flexible 8.5uH 0.55A 344mOhms

749196141
Wurth Elektronik
1: $7.77
320In Stock
500Expected 11/9/2026

Mfr. Part No.
749196141

Mouser Part No
710-749196141

Wurth Elektronik

Power Transformers - Board Mount WR-FLEX Flexible 8.5uH 0.55A 344mOhms

Learn More

Datasheet

320In Stock

500Expected 11/9/2026

Cut Tape

$7.77

$6.98

$6.39

$6.35

Reel

$5.44

$5.34

Min.: 1
Mult.: 1

: 500

Flexible Transformers

SMD/SMT

Triple Primary Winding

Triple Secondary Winding

12.9 mm

13 mm

6.2 mm

WE-FLEX

Power Transformers - Board Mount WE-FLEX DCR=159mOhms 21.6uH 500VDC SMD

749196211
Wurth Elektronik
1: $8.51
288In Stock

Mfr. Part No.
749196211

Mouser Part No
710-749196211

Wurth Elektronik

Power Transformers - Board Mount WE-FLEX DCR=159mOhms 21.6uH 500VDC SMD

Learn More

Datasheet

288In Stock

Cut Tape

$8.51

$7.87

$7.26

$6.51

Reel

$5.67

MouseReel Available

Min.: 1
Mult.: 1

: 400

WE-FLEX

Power Transformers - Board Mount WE-FLEX DCR=159mOhms 11.6uH 500VDC SMD

749196221
Wurth Elektronik
1: $8.50
172In Stock

Mfr. Part No.
749196221

Mouser Part No
710-749196221

Wurth Elektronik

Power Transformers - Board Mount WE-FLEX DCR=159mOhms 11.6uH 500VDC SMD

Learn More

Datasheet

172In Stock

Cut Tape

$8.50

$7.86

$7.25

$6.50

Reel

$5.66

MouseReel Available

Min.: 1
Mult.: 1

: 400

WE-FLEX

Power Transformers - Board Mount WE-FLEX W/O Air Gap 153.8uH 0.02A

749196301
Wurth Elektronik
1: $7.75
314In Stock

Mfr. Part No.
749196301

Mouser Part No
710-749196301

Wurth Elektronik

Power Transformers - Board Mount WE-FLEX W/O Air Gap 153.8uH 0.02A

Learn More

Datasheet

314In Stock

Cut Tape

$7.75

$6.84

$5.97

$5.71

Reel

$4.94

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flexible Transformers

500 VA

970 mA

SMD/SMT

Triple Primary Winding

Triple Secondary Winding

17.5 mm

22.1 mm

8.3 mm

WE-FLEX

Power Transformers - Board Mount WE-FLEX W/Air Gap 23.3uH 0.33A

749196311
Wurth Elektronik
1: $7.75
321In Stock

Mfr. Part No.
749196311

Mouser Part No
710-749196311

Wurth Elektronik

Power Transformers - Board Mount WE-FLEX W/Air Gap 23.3uH 0.33A

Learn More

Datasheet

321In Stock

Cut Tape

$7.75

$6.85

$5.98

$5.73

Reel

$5.56

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flexible Transformers

500 VA

970 mA

SMD/SMT

Triple Primary Winding

Triple Secondary Winding

17.5 mm

22.1 mm

8.3 mm

WE-FLEX

Power Transformers - Board Mount WE-FLEX SMD 500VDC 196uH RDC=71.1mOhms

749196501
Wurth Elektronik
1: $11.75
119In Stock

Mfr. Part No.
749196501

Mouser Part No
710-749196501

Wurth Elektronik

Power Transformers - Board Mount WE-FLEX SMD 500VDC 196uH RDC=71.1mOhms

Learn More

Datasheet

119In Stock

Cut Tape

$11.75

$11.48

$11.21

$10.09

Reel

$7.51

$7.19

MouseReel Available

Min.: 1
Mult.: 1

: 120

WE-FLEX

Power Transformers - Board Mount WE-FLEX Trnsfmr HV 87.1uH .08A

749196507
Wurth Elektronik
1: $16.80
48In Stock

Mfr. Part No.
749196507

Mouser Part No
710-749196507

Wurth Elektronik

Power Transformers - Board Mount WE-FLEX Trnsfmr HV 87.1uH .08A

Learn More

Datasheet

48In Stock

Cut Tape

$16.80

$15.12

Reel

$13.44

$12.32

$11.19

$10.08

MouseReel Available

Min.: 1
Mult.: 1

: 120

Signal Transformers

2.3 A

SMD/SMT

Triple Primary Winding

Triple Secondary Winding

29.5 mm

21.5 mm

12 mm

WE-FLEX HV

Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter

749196511
Wurth Elektronik
1: $14.51
120In Stock

Mfr. Part No.
749196511

Mouser Part No
710-749196511

Wurth Elektronik

Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter

Learn More

Datasheet

120In Stock

Cut Tape

$14.51

$13.87

$11.48

Reel

$10.04

Min.: 1
Mult.: 1

: 120

WE-FLEX

Power Transformers - Board Mount WE-FLEX W/Air Gap 9.7uH 2.20A

749196531
Wurth Elektronik
1: $12.92
69In Stock

Mfr. Part No.
749196531

Mouser Part No
710-749196531

Wurth Elektronik

Power Transformers - Board Mount WE-FLEX W/Air Gap 9.7uH 2.20A

Learn More

Datasheet

69In Stock

Cut Tape

$12.92

$10.02

Reel

$10.02

Min.: 1
Mult.: 1

: 120

Flexible Transformers

500 VA

1.7 A

SMD/SMT

Triple Primary Winding

Triple Secondary Winding

21 mm

29.5 mm

10.8 mm

WE-FLEX

Power Transformers - Board Mount WE-FB LT3751 10 uH

750032052
Wurth Elektronik
1: $14.74
23In Stock
2,000On Order

Mfr. Part No.
750032052

Mouser Part No
710-750032052

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3751 10 uH

Learn More

Datasheet

23In Stock

2,000On Order

Cut Tape

$14.74

$13.82

$13.21

Reel

$12.01

$10.81

MouseReel Available

Min.: 1
Mult.: 1

: 125

Flyback Transformers

SMD/SMT

Single Primary Winding

Single Secondary Winding

28.7 mm

21.97 mm

11.43 mm

WE-FB

Power Transformers - Board Mount WE-FB LT3751 5 uH 75 W

750310349
Wurth Elektronik
1: $17.54
118In Stock

Mfr. Part No.
750310349

Mouser Part No
710-750310349

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3751 5 uH 75 W

Learn More

Datasheet

118In Stock

$17.54

$16.43

$15.71

$14.28

View

Min.: 1
Mult.: 1

Flyback Transformers

24 V

300 V

75 W

250 mA

Through Hole

Single Primary Winding

Dual Secondary Winding

36.5 mm

42 mm

23 mm

WE-FB

Power Transformers - Board Mount WE-FB LT3573 63 uH 10 W

750310564
Wurth Elektronik
1: $6.83
200In Stock

Mfr. Part No.
750310564

Mouser Part No
710-750310564

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 63 uH 10 W

Learn More

Datasheet

200In Stock

Cut Tape

$6.83

$6.34

$5.36

Reel

$4.87

$4.03

MouseReel Available

Min.: 1
Mult.: 1

: 250

Flyback Transformers

12 V to 30 V

- 5 V, 5 V

10 W

1 A, 1 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 4.5 uH 36 W

750310617
Wurth Elektronik
1: $14.29
16In Stock

Mfr. Part No.
750310617

Mouser Part No
710-750310617

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 4.5 uH 36 W

Learn More

Datasheet

16In Stock

Cut Tape

$14.29

$12.89

$12.38

$12.20

Reel

$11.97

View

MouseReel Available

Min.: 1
Mult.: 1

: 120

Flyback Transformers

9 V to 36 V

12 V

36 W

3 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-POE LT4276 38 uH 25.2 W

750310742
Wurth Elektronik
1: $6.49
55In Stock
1,000Expected 10/9/2026

Mfr. Part No.
750310742

Mouser Part No
710-750310742

Wurth Elektronik

Power Transformers - Board Mount WE-POE LT4276 38 uH 25.2 W

Learn More

Datasheet

55In Stock

1,000Expected 10/9/2026

Cut Tape

$6.49

$6.02

$5.56

$5.10

Reel

$4.64

$3.82

MouseReel Available

Min.: 1
Mult.: 1

: 200

POE - Power Over Ethernet Transformers

37 V to 57 V

12 V

25.2 W

2.1 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.46 mm

17.75 mm

12.7 mm

WE-POE

Power Transformers - Board Mount WE-POE PD70201 38 uH 25 W

750310744
Wurth Elektronik
1: $8.61
187In Stock

Mfr. Part No.
750310744

Mouser Part No
710-750310744

Wurth Elektronik

Power Transformers - Board Mount WE-POE PD70201 38 uH 25 W

Learn More

Datasheet

187In Stock

Cut Tape

$8.61

$8.00

$6.76

Reel

$6.15

$5.34

Min.: 1
Mult.: 1

: 200

POE - Power Over Ethernet Transformers

37 V to 57 V

5 V

25 W

5 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.46 mm

17.75 mm

12.7 mm

WE-POE

Power Transformers - Board Mount WE-FB LT3573 25 uH 5.6 W

750310799
Wurth Elektronik
1: $4.65
127In Stock
2,400On Order

Mfr. Part No.
750310799

Mouser Part No
710-750310799

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 25 uH 5.6 W

Learn More

Datasheet

127In Stock

2,400On Order

Cut Tape

$4.65

Reel

$4.65

$4.47

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flyback Transformers

18 V to 30 V

15 V

5.6 W

400 mA

SMD/SMT

Single Primary Winding

Single Secondary Winding

9.14 mm

9.78 mm

10.54 mm

WE-FB

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

750311308
Wurth Elektronik
1: $9.34
38In Stock
200Expected 10/9/2026

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

38In Stock

200Expected 10/9/2026

Cut Tape

$9.34

$8.43

$8.09

$7.85

Reel

$7.28

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

Components for Battery Chargers

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 3.6 V
3 V to 5.2 V
3 V to 6 V
3.3 V
4 V to 8 V
4.5 V to 5.5 V
4.5 VDC to 12 VDC, 12 VDC to 65 VDC
5 V
5 V to 32 V
6 V
6 V to 12.6 V
6 V to 18 V
7 V to 26 V
7 V to 31 V
7.5 V
8 V to 15 V
8 V to 24 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
- 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
- 5 V, 7 V
1.8 V
3.3 V
3.3 V, 12 V
3.3 V, 24 V

40 mW
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

1 mA
1 mA, 1 mA
2 mA, 2 mA
5 mA, 30 mA
10 mA
10 mA, 1.1 A
10 mA, 5.25 A
15 mA
20 mA, 20 mA, 100 mA
20 mA, 40 mA, 40 mA
20 mA, 40 mA, 50 mA
20 mA, 700 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

6.6 mm
6.73 mm
7 mm
7.14 mm
7.87 mm
8.26 mm
8.3 mm
8.35 mm
8.6 mm
9.1 mm
9.14 mm
9.25 mm
9.45 mm
9.78 mm
10 mm
10.16 mm
10.46 mm
10.8 mm
10.95 mm
11.3 mm

6.6 mm
6.73 mm
6.91 mm
7 mm
7.14 mm
7.37 mm
8 mm
8.26 mm
8.3 mm
8.38 mm
8.5 mm
8.6 mm
9.1 mm
9.14 mm
9.25 mm
9.5 mm
9.78 mm
10 mm
10.05 mm
10.2 mm

1.98 mm
3.56 mm
4 mm
4.1 mm
4.19 mm
4.2 mm
4.74 mm
5 mm
5.46 mm
5.5 mm
5.59 mm
5.97 mm
5.98 mm
6.2 mm
6.35 mm
6.99 mm
7.4 mm
7.62 mm
7.8 mm
8.3 mm

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MID-OLIFX
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