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

3FD Series Power Transformers

.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 THROUGH HOLE 12VA

3FD-520
Tamura
1: $15.42
234In Stock
250Expected 7/4/2026

Mfr. Part No.
3FD-520

Mouser Part No
838-3FD-520

Tamura

Power Transformers THROUGH HOLE 12VA

Datasheet

234In Stock

250Expected 7/4/2026

$15.42

$14.68

$13.82

$13.39

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 THROUGH HOLE 6VA

3FD-412
Tamura
1: $12.51
252In Stock

Mfr. Part No.
3FD-412

Mouser Part No
838-3FD-412

Tamura

Power Transformers THROUGH HOLE 6VA

Datasheet

252In Stock

$12.51

$11.29

$10.73

$10.29

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 THROUGH HOLE 6VA

3FD-436
Tamura
1: $11.90
273In Stock

Mfr. Part No.
3FD-436

Mouser Part No
838-3FD-436

Tamura

Power Transformers THROUGH HOLE 6VA

Datasheet

273In Stock

$11.90

$10.98

$10.19

$9.81

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 THROUGH HOLE 6VA

3FD-416
Tamura
1: $11.18
381In Stock

Mfr. Part No.
3FD-416

Mouser Part No
838-3FD-416

Tamura

Power Transformers THROUGH HOLE 6VA

Datasheet

381In Stock

$11.18

$9.80

$9.35

$8.99

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 THROUGH HOLE 12VA

3FD-512
Tamura
1: $10.12
195In Stock

Mfr. Part No.
3FD-512

Mouser Part No
838-3FD-512

Tamura

Power Transformers THROUGH HOLE 12VA

Datasheet

195In Stock

$10.12

$9.80

$9.65

$9.58

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 THROUGH HOLE 12VA

3FD-516
Tamura
1: $12.61
243In Stock

Mfr. Part No.
3FD-516

Mouser Part No
838-3FD-516

Tamura

Power Transformers THROUGH HOLE 12VA

Datasheet

243In Stock

$12.61

$11.65

$11.11

$10.69

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 THROUGH HOLE 1.1VA

3FD-236
Tamura
1: $3.93
280In Stock

Mfr. Part No.
3FD-236

Mouser Part No
838-3FD-236

Tamura

Power Transformers THROUGH HOLE 1.1VA

Datasheet

280In Stock

$3.93

$3.85

$3.75

$3.57

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 THROUGH HOLE 2.4VA

3FD-324
Tamura
1: $7.48
386In Stock

Mfr. Part No.
3FD-324

Mouser Part No
838-3FD-324

Tamura

Power Transformers THROUGH HOLE 2.4VA

Datasheet

386In Stock

$7.48

$6.76

$6.48

$6.10

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 THROUGH HOLE 1.1VA

3FD-210
Tamura
1: $6.91
680In Stock

Mfr. Part No.
3FD-210

Mouser Part No
838-3FD-210

Tamura

Power Transformers THROUGH HOLE 1.1VA

Datasheet

680In Stock

$6.91

$6.26

$6.00

$5.30

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 THROUGH HOLE 1.1VA

3FD-224
Tamura
1: $7.05
510In Stock

Mfr. Part No.
3FD-224

Mouser Part No
838-3FD-224

Tamura

Power Transformers THROUGH HOLE 1.1VA

Datasheet

510In Stock

$7.05

$6.64

$6.51

$5.63

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 THROUGH HOLE 6VA

3FD-420
Tamura
1: $12.51
1,064In Stock

Mfr. Part No.
3FD-420

Mouser Part No
838-3FD-420

Tamura

Power Transformers THROUGH HOLE 6VA

Datasheet

1,064In Stock

$12.51

$11.30

$10.74

$10.48

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 THROUGH HOLE 1.1VA

3FD-216
Tamura
1: $5.75
166In Stock

Mfr. Part No.
3FD-216

Mouser Part No
838-3FD-216

Tamura

Power Transformers THROUGH HOLE 1.1VA

Datasheet

166In Stock

$5.75

$5.31

$5.10

$4.68

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 THROUGH HOLE 2.4VA

3FD-312
Tamura
1: $6.57
153In Stock

Mfr. Part No.
3FD-312

Mouser Part No
838-3FD-312

Tamura

Power Transformers THROUGH HOLE 2.4VA

Datasheet

153In Stock

$6.57

$5.95

$5.37

$5.13

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 THROUGH HOLE 2.4VA

3FD-328
Tamura
1: $7.74
265In Stock

Mfr. Part No.
3FD-328

Mouser Part No
838-3FD-328

Tamura

Power Transformers THROUGH HOLE 2.4VA

Datasheet

265In Stock

$7.74

$6.99

$6.71

$6.45

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 THROUGH HOLE 2.4VA

3FD-336
Tamura
1: $7.74
32In Stock

Mfr. Part No.
3FD-336

Mouser Part No
838-3FD-336

Tamura

Power Transformers THROUGH HOLE 2.4VA

Datasheet

32In Stock

$7.74

$6.99

$6.45

$6.23

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 THROUGH HOLE 2.4VA

3FD-348
Tamura
1: $7.74
24In Stock
480Expected 27/8/2026

Mfr. Part No.
3FD-348

Mouser Part No
838-3FD-348

Tamura

Power Transformers THROUGH HOLE 2.4VA

Datasheet

24In Stock

480Expected 27/8/2026

$7.74

$6.99

$6.67

$6.44

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 THROUGH HOLE 6VA

3FD-410
Tamura
1: $11.83
42In Stock

Mfr. Part No.
3FD-410

Mouser Part No
838-3FD-410

Tamura

Power Transformers THROUGH HOLE 6VA

Datasheet

42In Stock

$11.83

$10.77

$10.48

$9.12

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 THROUGH HOLE 6VA

3FD-424
Tamura
1: $12.15
43In Stock
250Expected 29/7/2026

Mfr. Part No.
3FD-424

Mouser Part No
838-3FD-424

Tamura

Power Transformers THROUGH HOLE 6VA

Datasheet

43In Stock

250Expected 29/7/2026

$12.15

$10.63

$10.20

$9.81

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 THROUGH HOLE 6VA

3FD-448
Tamura
1: $9.76
11In Stock
250Expected 10/8/2026

Mfr. Part No.
3FD-448

Mouser Part No
838-3FD-448

Tamura

Power Transformers THROUGH HOLE 6VA

Datasheet

11In Stock

250Expected 10/8/2026

$9.76

$9.74

Min.: 1
Mult.: 1

115 VAC, 230 VAC

6 VA

Through Hole

Dual Primary Winding

Dual Secondary Winding

34.54 mm

3FD

Power Transformers THROUGH HOLE 12VA

3FD-524
Tamura
1: $16.22
38In Stock

Mfr. Part No.
3FD-524

Mouser Part No
838-3FD-524

Tamura

Power Transformers THROUGH HOLE 12VA

Datasheet

38In Stock

$16.22

$14.64

$14.03

$13.55

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 THROUGH HOLE 12VA

3FD-528
Tamura
1: $16.25
110In Stock
250Expected 29/9/2026

Mfr. Part No.
3FD-528

Mouser Part No
838-3FD-528

Tamura

Power Transformers THROUGH HOLE 12VA

Datasheet

110In Stock

250Expected 29/9/2026

$16.25

$14.69

$14.09

$13.93

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 THROUGH HOLE 12VA

3FD-548
Tamura
1: $14.98
143In Stock

Mfr. Part No.
3FD-548

Mouser Part No
838-3FD-548

Tamura

Power Transformers THROUGH HOLE 12VA

Datasheet

143In Stock

$14.98

$14.37

$13.93

$13.50

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 THROUGH HOLE 1.1VA

3FD-212
Tamura
1: $11.58
560Expected 23/4/2026

Mfr. Part No.
3FD-212

Mouser Part No
838-3FD-212

Tamura

Power Transformers THROUGH HOLE 1.1VA

Datasheet

560Expected 23/4/2026

$11.58

$11.08

$10.86

$10.76

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 THROUGH HOLE 1.1VA

3FD-220
Tamura
1: $6.91
1,121On Order

Mfr. Part No.
3FD-220

Mouser Part No
838-3FD-220

Tamura

Power Transformers THROUGH HOLE 1.1VA

Datasheet

1,121On Order

$6.91

$6.26

$6.00

$5.50

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 THROUGH HOLE 2.4VA

3FD-316
Tamura
1: $11.19
2,172Expected 23/6/2026

Mfr. Part No.
3FD-316

Mouser Part No
838-3FD-316

Tamura

Power Transformers THROUGH HOLE 2.4VA

Datasheet

2,172Expected 23/6/2026

$11.19

$10.80

$6.74

$6.32

$5.99

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

3FD Series Power Transformers

Customer Service Office

Company

Resources

Support