.hide-partial { max-height: none; } .show-more { display: none; }

3FD Series Power Transformers - Board Mount

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 36

Applied Filters:

Series = 3FD

Power Rating

Secondary Current Rating

Mounting Style

Height

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Power Transformers - Board Mount THROUGH HOLE 6VA

3FD-416
Tamura
1: $11.38
338In Stock

Mfr. Part No.
3FD-416

Mouser Part No
838-3FD-416

Tamura

Power Transformers - Board Mount THROUGH HOLE 6VA

Datasheet

338In Stock

$11.38

$10.80

$10.12

$9.74

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

6 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

34.54 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 6VA

3FD-428
Tamura
1: $13.04
1,150In Stock

Mfr. Part No.
3FD-428

Mouser Part No
838-3FD-428

Tamura

Power Transformers - Board Mount THROUGH HOLE 6VA

Datasheet

1,150In Stock

$13.04

$12.28

$11.21

$10.74

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

6 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

34.54 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 12VA

3FD-520
Tamura
1: $15.90
449In Stock

Mfr. Part No.
3FD-520

Mouser Part No
838-3FD-520

Tamura

Power Transformers - Board Mount THROUGH HOLE 12VA

Datasheet

449In Stock

$15.90

$14.38

$13.57

$12.99

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

12 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

41.4 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 12VA

3FD-528
Tamura
1: $17.50
6In Stock
500On Order

Mfr. Part No.
3FD-528

Mouser Part No
838-3FD-528

Tamura

Power Transformers - Board Mount THROUGH HOLE 12VA

Datasheet

6In Stock

500On Order

$17.50

$15.25

$14.62

$14.14

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

12 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

41.4 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 1.1VA

3FD-256
Tamura
1: $7.72
355In Stock

Mfr. Part No.
3FD-256

Mouser Part No
838-3FD-256

Tamura

Power Transformers - Board Mount THROUGH HOLE 1.1VA

Datasheet

355In Stock

$7.72

$7.34

$6.35

$5.83

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

Dual Primary Winding

Dual Secondary Winding

3FD

Power Transformers - Board Mount THROUGH HOLE 1.1VA

3FD-236
Tamura
1: $7.72
278In Stock

Mfr. Part No.
3FD-236

Mouser Part No
838-3FD-236

Tamura

Power Transformers - Board Mount THROUGH HOLE 1.1VA

Datasheet

278In Stock

$7.72

$4.95

$4.19

Min.: 1
Mult.: 1

115 VAC, 230 VAC

1.1 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

25.4 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 1.1VA

3FD-228
Tamura
1: $7.85
240In Stock

Mfr. Part No.
3FD-228

Mouser Part No
838-3FD-228

Tamura

Power Transformers - Board Mount THROUGH HOLE 1.1VA

Datasheet

240In Stock

$7.85

$7.03

$6.57

$5.34

$4.84

Min.: 1
Mult.: 1

115 VAC, 230 VAC

1.1 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

25.4 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 1.1VA

3FD-220
Tamura
1: $7.17
841Expected 31/7/2026

Mfr. Part No.
3FD-220

Mouser Part No
838-3FD-220

Tamura

Power Transformers - Board Mount THROUGH HOLE 1.1VA

Datasheet

841Expected 31/7/2026

$7.17

$6.34

$6.08

$5.90

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

1.1 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

25.4 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 6VA

3FD-420
Tamura
1: $12.47
691In Stock

Mfr. Part No.
3FD-420

Mouser Part No
838-3FD-420

Tamura

Power Transformers - Board Mount THROUGH HOLE 6VA

Datasheet

691In Stock

$12.47

$11.67

$10.76

$10.43

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

6 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

34.54 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 1.1VA

3FD-210
Tamura
1: $6.95
240In Stock
480Expected 24/3/2027

Mfr. Part No.
3FD-210

Mouser Part No
838-3FD-210

Tamura

Power Transformers - Board Mount THROUGH HOLE 1.1VA

Datasheet

240In Stock

480Expected 24/3/2027

$6.95

$6.28

$6.04

$5.51

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

1.1 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

25.4 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 1.1VA

3FD-216
Tamura
1: $6.17
130In Stock

Mfr. Part No.
3FD-216

Mouser Part No
838-3FD-216

Tamura

Power Transformers - Board Mount THROUGH HOLE 1.1VA

Datasheet

130In Stock

$6.17

$5.54

$5.52

$5.44

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

1.1 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

25.4 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 1.1VA

3FD-224
Tamura
1: $7.72
248In Stock

Mfr. Part No.
3FD-224

Mouser Part No
838-3FD-224

Tamura

Power Transformers - Board Mount THROUGH HOLE 1.1VA

Datasheet

248In Stock

$7.72

$6.61

$6.35

$6.02

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

1.1 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

25.4 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 2.4VA

3FD-328
Tamura
1: $7.78
234In Stock

Mfr. Part No.
3FD-328

Mouser Part No
838-3FD-328

Tamura

Power Transformers - Board Mount THROUGH HOLE 2.4VA

Datasheet

234In Stock

$7.78

$7.03

$6.75

$6.01

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

2.4 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

32 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 2.4VA

3FD-336
Tamura
1: $7.74
2In Stock
480Expected 18/2/2027

Mfr. Part No.
3FD-336

Mouser Part No
838-3FD-336

Tamura

Power Transformers - Board Mount THROUGH HOLE 2.4VA

Datasheet

2In Stock

480Expected 18/2/2027

$7.74

$7.22

$6.96

$6.51

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

2.4 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

32 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 2.4VA

3FD-348
Tamura
1: $8.02
4In Stock
480Expected 27/8/2026

Mfr. Part No.
3FD-348

Mouser Part No
838-3FD-348

Tamura

Power Transformers - Board Mount THROUGH HOLE 2.4VA

Datasheet

4In Stock

480Expected 27/8/2026

$8.02

$7.07

$6.77

$5.67

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

2.4 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

32 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 6VA

3FD-410
Tamura
1: $12.57
40In Stock

Mfr. Part No.
3FD-410

Mouser Part No
838-3FD-410

Tamura

Power Transformers - Board Mount THROUGH HOLE 6VA

Datasheet

40In Stock

$12.57

$11.36

$10.89

$10.53

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

6 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

34.54 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 6VA

3FD-448
Tamura
1: $9.59
10In Stock
250Expected 10/8/2026

Mfr. Part No.
3FD-448

Mouser Part No
838-3FD-448

Tamura

Power Transformers - Board Mount THROUGH HOLE 6VA

Datasheet

10In Stock

250Expected 10/8/2026

$9.59

$9.29

$7.87

Min.: 1
Mult.: 1

115 VAC, 230 VAC

6 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

34.54 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 12VA

3FD-512
Tamura
1: $17.23
169In Stock

Mfr. Part No.
3FD-512

Mouser Part No
838-3FD-512

Tamura

Power Transformers - Board Mount THROUGH HOLE 12VA

Datasheet

169In Stock

$17.23

$15.54

$14.91

$14.44

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

12 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

41.4 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 12VA

3FD-516
Tamura
1: $15.52
123In Stock
250Expected 1/3/2027

Mfr. Part No.
3FD-516

Mouser Part No
838-3FD-516

Tamura

Power Transformers - Board Mount THROUGH HOLE 12VA

Datasheet

123In Stock

250Expected 1/3/2027

$15.52

$14.21

$13.99

$13.98

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

12 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

41.4 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 12VA

3FD-524
Tamura
1: $15.74
29In Stock

Mfr. Part No.
3FD-524

Mouser Part No
838-3FD-524

Tamura

Power Transformers - Board Mount THROUGH HOLE 12VA

Datasheet

29In Stock

$15.74

$14.80

$13.79

$13.21

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

12 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

41.4 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 1.1VA

3FD-212
Tamura
1: $6.95
1,020Expected 14/12/2026

Mfr. Part No.
3FD-212

Mouser Part No
838-3FD-212

Tamura

Power Transformers - Board Mount THROUGH HOLE 1.1VA

Datasheet

1,020Expected 14/12/2026

$6.95

$6.28

$6.04

$5.75

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

1.1 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

25.4 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 2.4VA

3FD-312
Tamura
1: $8.02
469Expected 4/11/2026

Mfr. Part No.
3FD-312

Mouser Part No
838-3FD-312

Tamura

Power Transformers - Board Mount THROUGH HOLE 2.4VA

Datasheet

469Expected 4/11/2026

$8.02

$7.07

$6.75

$6.15

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

2.4 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

32 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 2.4VA

3FD-316
Tamura
1: $7.78
2,172On Order

Mfr. Part No.
3FD-316

Mouser Part No
838-3FD-316

Tamura

Power Transformers - Board Mount THROUGH HOLE 2.4VA

Datasheet

2,172On Order

$7.78

$7.03

$6.75

$6.46

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

2.4 VA

150 mA, 300 mA

Through Hole

Dual Primary Winding

Dual Secondary Winding

32 mm

3FD

Power Transformers - Board Mount POWER TRANSFORMER

3FD-320
Tamura
1: $8.02
2,250On Order

Mfr. Part No.
3FD-320

Mouser Part No
838-3FD-320

Tamura

Power Transformers - Board Mount POWER TRANSFORMER

Datasheet

2,250On Order

$8.02

$7.07

$6.77

$6.69

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

2.4 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

32 mm

3FD

Power Transformers - Board Mount THROUGH HOLE 2.4VA

3FD-324
Tamura
1: $7.45
1,345On Order

Mfr. Part No.
3FD-324

Mouser Part No
838-3FD-324

Tamura

Power Transformers - Board Mount THROUGH HOLE 2.4VA

Datasheet

1,345On Order

$7.45

$6.75

$6.47

$6.22

View

Min.: 1
Mult.: 1

115 VAC, 230 VAC

2.4 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

32 mm

3FD

3FD Series Power Transformers - Board Mount

Customer Service Office

Company

Resources

Support