Toroid Cores

Ring cores or Toroids manufactured from ferrites offer an efficient shape for variety of wide band, pulse, power transformers and inductors. Toroids Cores are available in a range of sizes and materials as per IEC 62317-12

Materials - Manganese Zinc Materials - Nickel Zinc Toroid Cores Table

Dimensional details & AL Values with Tolerance Code

Part No.

Core

A mm

B mm

C mm

Ie mm

Ae mm2

Ve mm3

F5A

P12

F8

F9

F9C

F14

F19

F5C

F10

F39

F47

F48

F44

F16

F57

F5

28-0611-

T4.5x2.5x2.0

4.5±0.18

2.495±0.105

2.0±0.18

-

-

-

-

470±30%-

-

-

940/R

-

-

-

-

-

-

-

-

-

-

-

28-119-

T5.8x3.0x3.05

5.84±0.16

3.05±0.13

3.05±0.13

13.029

4.108

53.52

-

-

-

-

1900/R

-

-

-

-

-

-

-

764/R

-

-

-

28-001-

T6.35x3.18x1.52

6.35±0.19

3.17±0.15

1.52±0.13

13.81

2.32

32.05

-

-

-

-

1052/R

-

-

-

-

-

-

-

399+30%-10%

-

-

-

28-002-

T6.35x3.18x3.96

6.35±0.19

3.17±0.15

3.96±0.25

13.82

6.049

83.57

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

28-003-

T6.35x3.18x7.92

6.35±0.19

3.17±0.15

7.93±0.3

13.80

12.06

166.0

-

1983Mini

1322Mini

4820±30%-20%

-

242/R

-

-

-

-

-

-

-

-

-

-

28-070-

T9.52x4.75x3.18

9.52±0.25

4.75±0.25

3.18±0.12

20.70

7.29

151

1250±25%

-

-

2000±25%

2210/R

-

442±30%

1300±30%

3000/R

-

-

-

840/R

53/R

3320±25%

-

28-107-

T10x6x4

10±0.4

6.0±0.30

4.0±0.2

24.07

7.84

188.70

-

-

-

-

2046/R

-

-

-

2460/R

-

-

-

-

-

-

-

28-011-

T12.7x6.35x3.18

12.7±0.30

6.35±0.25

3.17±0.25

27.6

9.68

268

-

-

-

-

-

-

-

-

2645/R

-

-

-

-

-

-

-

28-012-

T12.7x6.35x6.35

12.7±0.30

6.35±0.25

6.35±0.3

27.65

19.37

535.7

-

-

1317/R

3864/R

4401/R

193/R

-

-

4224Mini

7570±30%

-

-

-

-

-

-

28-013-

T12.7x6.35x9.52

12.7±0.30

6.35±0.25

9.52±0.36

27.6

29.04

804

-

-

-

-

-

290/R

-

-

-

-

-

-

-

-

-

-

28-017-

T12.7x7.1x5.0

12.85±0.45

7.35±0.25

5±0.25

30.13

13.45

405

-

-

-

2468±25%

-

-

-

-

-

-

-

-

-

-

-

-

28-018-

T12.7x7.1x6.35

12.85±0.45

7.35±0.25

5±0.25

30.13

17.02

513.0

-

-

-

-

3548±20%

-

-

-

-

-

-

-

-

-

-

-

28-0627-

T12.7x7.2x3.2

12.7±0.32

7.3±0.3

3.3±0.18

2.962

0.08858

0.2623

-

-

-

-

1500/R

-

-

1130±30%

-

-

-

-

-

-

-

-

28-019-

T12.7x7.9x6.35

12.7±0.3

7.9±0.15

6.35±0.2

31.17

14.96

466

1507/R

-

-

-

3020/R

-

442/R

-

2800Mini

4600min

-

-

-

-

4500±25%

-

28-085-

T14x9x5

14±0.4

9±0.4

5±0.4

34.9

12.3

430

-

-

-

-

2200/R

-

442/R

-

2650/R

-

795/%

-

-

-

-

-

28-059-

T16.7x9.6x5.0

16.76±0.5

9.65±0.25

5±0.25

39.45

17.33

683

-

-

-

1943Mini

2730±25%

-

-

-

-

5520/Y

993/R

-

-

-

-

-

28-063-

T16.7x9.65x6.35

16.76±0.5

9.65±0.25

6.3±0.25

39.45

21.84

864

-

-

-

3055/R

3470/R

-

-

-

4165/R

-

-

-

1320/R

-

-

-

28-076-

T17.5x9.6x28.5

17.5±0.5

9.6±0.3

28.52±0.6

40.11

109.3

4386

-

-

-

-

-

-

-

-

-

-

-

-

-

3921±30%

-

-

28-023-

T19.05x12.7x9.52

19.05±0.76

12.7±0.51

9.52±0.36

48.50

29.88

1449

-

-

930Mini

3410/R

3880/R

-

-

-

-

-

-

-

-

-

-

-

28-0116-

T20x10x6.8

20.45±0.55

10±0.2

6.8±0.2

43.98

34.05

1497.5

-

-

-

4189/R

4860/R

-

-

-

-

-

-

-

1790/R

-

-

-

28-095-

T22.1x13.7x12.7

22±0.3

13.72±0.25

12.70±0.25

54.08

51.61

2791

2400Mini

-

5277/R

6110±20%

-

-

1196+30%

-

7125/R

10000±30%

-

-

-

-

-

-

28-0631-

T24x12x6

24±0.59

12.18±0.49

6±0.25

52.26

34.59

1808

-

-

-

-

3330+30%-10%

-

-

-

-

-

-

-

-

-

-

-

28-055-

T24x12x12

24±0.6

11.85±0.35

11.85±0.35

51

69.57

3548

-

-

-

-

8571/R

366/R

-

- - - - - - - - -

28-080-

T25x15x10

25±1.30

15±0.77

10±0.30

60.20

49.00

2950

-

-

-

4000Mini

4080Min

-

-

-

6130/R

1220±40%

-

-

1522Mil

-

-

2040±25%

28-056-

T31.5x19.6x12.5

31.5±1.0

19.6±0.6

12.5±1.25

76.04

76.48

5816

2970/R

-

-

5000/R

6320/R

-

2970±30%-25%

3843±30%-25%

-

11800Y

-

-

-

-

-

-

28-141-

T36x23x16

36.4±1.1

22.6±0.9

15.4±0.8

89.65

95.89

8597

-

-

-

-

-

-

-

-

-

13600Y

-

-

-

-

-

-

28-044-

T38.1x25.4x15.87

38.1±1.52

25.4±1.02

15.87±0.38

97.06

99.41

9650

3217/R

-

-

5663/R

6500±20%

-

-

-

-

-

-

-

2445/R

-

-

-

28-043-

T38.1x25.4x19.05

38.1±1.52

25.4±1.02

19.05±0.41

97.10

119.40

11580

-

-

2480±25%

6830/R

7725/R

341/R

-

-

-

13285±30%

-

-

2935/R

-

-

-

28-029-

T45x19x16

45±1.0

19±1

16±0.5

89

195.4

17370

5000/R

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

28-132-

T49x31.8x19

49.1±0.8

31.8±0.5

19.05±0.4

123

162

19926

-

-

-

-

8215/R

-

-

4970/R

9860±30%

-

-

-

-

-

-

-

28-089-

T54x15x19

54±2.10

15.6±0.6

19.0±0.4

85.72

321.7

27594

-

-

-

21200/R

-

1070±20%

-

14600/R

- - - - - - - -

28-052-

T56x32x18

55.4±1.6

32.4±0.7

18±0.7

131.5

202.10

26578

-

-

-

7724+30%-20%

-

-

-

-

-

-

-

-

-

-

-

-

28-061-

T63x38x25

63±2

38±1.2

25±0.8

152

305.93

46530

6319/R

-

-

11100/R

12640+30%-20%

-

-

-

15160±25%

-

-

5450/R

-

-

-

5054/R

28-0797-

T78x45x14

78.00±1.98

44.65+1.72

14.00±0.44

181.6

231.8

42098

-

3210±30%

-

-

6410±30%-10%

-

1600±30%-20%

4810±30%

-

-

-

-

-

-

-

-

28-0660-

T102x66x15

102±2.0

65.8±1.3

15.00±0.5

255.32

267.21

68225

-

-

-

-

-

-

-

-

7890/R

-

-

-

-

-

-

-

4.5±0.18

2.495±0.105

2.0±0.18

5.84±0.16

3.05±0.13

3.05±0.13

6.35±0.19

3.17±0.15

1.52±0.13

6.35±0.19

3.17±0.15

3.96±0.25

6.35±0.19

3.17±0.15

7.93±0.3

9.52±0.25

4.75±0.25

3.18±0.12

10±0.4

6.0±0.30

4.0±0.2

12.7±0.30

6.35±0.25

3.17±0.25

12.7±0.30

6.35±0.25

6.35±0.3

12.7±0.30

6.35±0.25

9.52±0.36

12.85±0.45

7.35±0.25

5±0.25

12.85±0.45

7.35±0.25

5±0.25

12.7±0.32

7.3±0.3

3.3±0.18

12.7±0.3

7.9±0.15

6.35±0.2

14±0.4

9±0.4

5±0.4

16.76±0.5

9.65±0.25

5±0.25

16.76±0.5

9.65±0.25

6.3±0.25

17.5±0.5

9.6±0.3

28.52±0.6

19.05±0.76

12.7±0.51

9.52±0.36

20.45±0.55

10±0.2

6.8±0.2

22±0.3

13.72±0.25

12.70±0.25

24±0.59

12.18±0.49

6±0.25

24±0.6

11.85±0.35

11.85±0.35

25±1.30

15±0.77

10±0.30

31.5±1.0

19.6±0.6

12.5±1.25

36.4±1.1

22.6±0.9

15.4±0.8

38.1±1.52

25.4±1.02

15.87±0.38

38.1±1.52

25.4±1.02

19.05±0.41

45±1.0

19±1

16±0.5

49.1±0.8

31.8±0.5

19.05±0.4

54±2.10

15.6±0.6

19.0±0.4

55.4±1.6

32.4±0.7

18±0.7

63±2

38±1.2

25±0.8

78.00±1.98

44.65+1.72

14.00±0.44

102±2.0

65.8±1.3

15.00±0.5