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Toroidal Cores od

( 20~40 m/m )

Dimensions and Magnetic Parameters

AL-Value is measured at Frequency:
100 KHz. Voltage 100mv. Wire 1 Tums.

ITEM	Mechanical Dimension			Magnetic Dimensions			AL (nH/N²)
	OD(mm)	ID(mm)	HT(mm)	Le mm	Ae mm²	Ve mm³	NP1 ±25%	N05 ±25%	N07 ±25%	N10 ±30%
	OD(mm)	ID(mm)	HT(mm)	Le mm	Ae mm²	Ve mm³	NP1 ±25%	N05 ±25%	N07 ±25%	N10 ±30%
T22146.5	22.00±0.50	14.00±0.40	6.50±0.30	56.55	26.00	1470	1270	2888	4044	5776
T22148	22.00±0.50	14.00±0.40	8.00±0.30	56.55	32.00	1810	1560	3555	4977	7110
T221410	22.00±0.50	14.00±0.40	10.00±0.30	56.55	40.00	2262	1950	4443	6221	8888
T221412.7	22.00±0.50	14.00±0.40	12.7±0.30	56.55	50.80	2873	2480	5644	7902	11288
T25158	25.00±0.50	15.00±0.50	8.00±0.30	63.15	39.20	2457	1760	4000	5600	8000
T251510	25.00±0.50	15.00±0.50	10.00±0.40	63.15	49.00	3094	2200	5000	7000	10000
T251513	25.00±0.50	15.00±0.50	13.00±0.40	63.15	63.70	4023	2860	6500	9100	13000
T251515	25.00±0.50	15.00±0.50	15.00±0.50	63.15	73.50	4642	3300	7500	10500	15000
T28188	28.00±0.80	18.00±0.50	8.00±0.50	72.26	40.00	2890	1530	3478	4870	6956
T281810	28.00±0.80	18.00±0.50	10.00±0.50	72.26	50.00	3613	1910	4346	6084	8692
T281814	28.00±0.80	18.00±0.50	14.00±0.50	72.26	70.00	5058	2680	6085	8521	12170
T281816	28.00±0.80	18.00±0.50	16.00±0.50	72.26	80.00	5780	3060	6956	9739	13912
31197	31.00±0.80	19.00±0.50	7.00±0.30	78.54	42.00	3298	1480	3360	4704	6720
T311913	31.00±0.80	19.00±0.50	13.00±0.50	78.54	78.00	6126	2750	6240	8736	12480
T311915	31.00±0.80	19.00±0.50	15.00±0.50	78.54	90.000	7068	3170	7200	10080	14400
T311916	31.00±0.80	19.00±0.50	16.00±0.50	78.54	96.00	7540	3380	7680	10752	15360
T35.625.412.7	35.60±0.80	25.40±0.50	12.70±0.50	95.82	64.77	6206	1710	4247	5946	8494
T35.625.415	35.60±0.80	25.40±0.50	15.00±0.50	95.82	76.50	7330	2210	5016	7022	10032
T37228	37.00±0.80	22.00±0.50	8.00±0.50	92.70	60.00	5562	1790	4070	5700	8140
T372210	37.00±0.80	22.00±0.50	10.00±0.30	92.70	75.00	6952	2240	5088	7125	10175
T372213	37.00±0.80	22.00±0.50	13.00±0.50	92.70	97.50	9038	2910	6600	9240	13200
T372215	37.00±0.80	22.00±0.50	15.00±0.50	92.70	112.50	10430	3360	7600	10640	15200
T372216	37.00±0.80	22.00±0.50	16.00±0.50	92.70	120.00	11124	3580	8140	11400	16280
T372217	37.00±0.80	22.00±0.50	17.00±0.50	92.70	127.50	11819	3880	8630	12080	17260
T40187.5	40.00±0.80	18.00±0.50	7.50±0.30	91.10	82.50	7516	2500	5690	7970	11380

(1) Parylene coating is available on cores smaller than 6m/m.
(2) Toroidal cores > 6m /m can be coated with epoxy. Colour code As shown below.
(3) Dielectric breakdown voltage 1000 VAC min.
(4) Above table dimensions are nominal and given for uncoated cores.
(5) Approximate thickness per surface for epoxy coating is 0.3m /m approx. per surface.
(6) Approximate thickness per surface for parylene coating is 0.02m /m approx. per surface.

Colour code
Material	colour
2500UI NP1	Yellow
5000UI NO5	Green
7000UI NO7	Dark Green
10000UI N10	Dark Green

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