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	-	1983_Mini	1322_Mini	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	-	-	4224_Mini	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	-	2800_Mini	4600_min	-	-	-	-	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	-	-	-	1943_Mini	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	-	-	930_Mini	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	2400_Mini	-	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	-	-	-	4000_Mini	4080_Min	-	-	-	6130/R	1220_±40%	-	-	1522_Mil	-	-	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

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

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

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Toroid Cores

Materials - Manganese Zinc Materials - Nickel Zinc Toroid Cores Table

Dimensional details & AL Values with Tolerance Code

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