Ferrite Cable Shielding

Toroids

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Toroids:

Cables can many times be assembled through the larger center opening even with connectors and plugs installed beforehand. Multiple cable turns through the center yield greater suppression and the flexibility to fine-tune a circuit.

Imperial
Metric

Leader Tech Part Number	Type	A (in)	B (in)	C (in)	Material	Adhesive	Maximum Cable Size (in)	Impedance (Ohms)	Frequency Range
Leader Tech Part Number	Type	A (in)	B (in)	C (in)	Material	Adhesive	Maximum Cable Size (in)	Impedance (Ohms)	Frequency Range
20B0562-2	ROUND CABLE FERRITE CORE	1.125	0.562	0.250	NiZn	N	0.250	N/A	2.45 GHz Peak
20B0736-0	ROUND CABLE FERRITE CORE	1.125	0.736	0.430	NiZn	N	0.430	N/A	2.45 GHz Peak
28B0137-3	ROUND CABLE FERRITE CORE	0.500	0.138	0.051	NiZn	N	0.051	153 @ 100 MHz	10 MHz - 1 GHz
28B0138-7	ROUND CABLE FERRITE CORE	0.550	0.138	0.034	NiZn	N	0.034	234 @ 100 MHz	10 MHz - 1 GHz
28B0200-4	ROUND CABLE FERRITE CORE	0.900	0.200	0.062	NiZn	N	0.062	318 @ 100 MHz	10 MHz - 1 GHz
28B0250-1	ROUND CABLE FERRITE CORE	0.625	0.250	0.125	NiZn	N	0.125	133 @ 100 MHz	10 MHz - 1 GHz
28B0300-0	ROUND CABLE FERRITE CORE	0.200	0.300	0.069	NiZn	N	0.069	93 @ 100 MHz	10 MHz - 1 GHz
28B0350-0	ROUND CABLE FERRITE CORE	0.625	0.343	0.170	NiZn	N	0.170	102 @ 100 MHz	10 MHz - 1 GHz
28B0355-0	ROUND CABLE FERRITE CORE	0.354	0.787	0.187	NiZn	N	0.187	138 @ 100 MHz	10 MHz - 1 GHz
28B0375-3	ROUND CABLE FERRITE CORE	0.750	0.375	0.192	NiZn	N	0.192	140 @ 100 MHz	10 MHz - 1 GHz
28B0385-2	ROUND CABLE FERRITE CORE	0.650	0.385	0.038	NiZn	N	0.038	452 @ 100 MHz	10 MHz - 1 GHz
28B0562-2	ROUND CABLE FERRITE CORE	1.125	0.562	0.250	NiZn	N	0.250	257 @ 100 MHz	10 MHz - 1 GHz
28B0563-0	ROUND CABLE FERRITE CORE	0.600	0.562	0.286	NiZn	N	0.286	124 @ 100 MHz	10 MHz - 1 GHz
28B0625-0	ROUND CABLE FERRITE CORE	0.562	0.625	0.310	NiZn	N	0.310	120 @ 100 MHz	10 MHz - 1 GHz
28B0625-1	ROUND CABLE FERRITE CORE	1.125	0.625	0.310	NiZn	N	0.310	225 @ 100 MHz	10 MHz - 1 GHz
28B0626-0	ROUND CABLE FERRITE CORE	0.625	0.626	0.133	NiZn	N	0.133	300 @ 100 MHz	10 MHz - 1 GHz
28B0672-0	ROUND CABLE FERRITE CORE	0.672	1.000	0.345	NiZn	N	0.345	182 @ 100 MHz	10 MHz - 1 GHz
28B0672-1	ROUND CABLE FERRITE CORE	1.000	0.672	0.345	NiZn	N	0.345	182 @ 100 MHz	10 MHz - 1 GHz
28B0686-2	ROUND CABLE FERRITE CORE	1.125	0.686	0.375	NiZn	N	0.375	196 @ 100 MHz	10 MHz - 1 GHz
28B0735-0	ROUND CABLE FERRITE CORE	1.125	0.735	0.400	NiZn	N	0.400	188 @ 100 MHz	10 MHz - 1 GHz
28B0736-0	ROUND CABLE FERRITE CORE	1.125	0.736	0.430	NiZn	N	0.430	176 @ 100 MHz	10 MHz - 1 GHz
28B0870-0	ROUND CABLE FERRITE CORE	0.250	0.870	0.540	NiZn	N	0.540	25 @ 100 MHz	10 MHz - 1 GHz
28B0999-0	ROUND CABLE FERRITE CORE	0.500	1.000	0.610	NiZn	N	0.610	83 @ 100 MHz	10 MHz - 1 GHz
28B1020-1	ROUND CABLE FERRITE CORE	1.125	1.020	0.505	NiZn	N	0.505	225 @ 100 MHz	10 MHz - 1 GHz
28B1102-1	ROUND CABLE FERRITE CORE	1.000	1.102	0.620	NiZn	N	0.620	147 @ 100 MHz	10 MHz - 1 GHz
28B1225-0	ROUND CABLE FERRITE CORE	0.612	1.225	0.750	NiZn	N	0.750	97 @ 100 MHz	10 MHz - 1 GHz
28B1250-2	ROUND CABLE FERRITE CORE	1.000	1.250	0.750	NiZn	N	0.750	151 @ 100 MHz	10 MHz - 1 GHz
28B1387-1	ROUND CABLE FERRITE CORE	1.000	1.387	0.882	NiZn	N	0.882	142 @ 100 MHz	10 MHz - 1 GHz
28B1417-2	ROUND CABLE FERRITE CORE	0.500	1.417	0.905	NiZn	N	0.905	89 @ 100 MHz	10 MHz - 1 GHz
28B2000-3	ROUND CABLE FERRITE CORE	2.000	2.000	1.000	NiZn	N	1.000	381 @ 100 MHz	10 MHz - 1 GHz
28B2275	ROUND CABLE FERRITE CORE	0.500	2.275	1.335	NiZn	N	1.335	N/A	10 MHz - 1 GHz
28B2400-0	ROUND CABLE FERRITE CORE	0.500	2.400	1.400	NiZn	N	1.400	88 @ 100 MHz	10 MHz - 1 GHz
28B2945	ROUND CABLE FERRITE CORE	0.500	2.945	1.775	NiZn	N	1.775	N/A	10 MHz - 1 GHz
28B3170	ROUND CABLE FERRITE CORE	0.500	3.170	1.645	NiZn	N	1.645	N/A	10 MHz - 1 GHz
28B4100	ROUND CABLE FERRITE CORE	0.500	4.100	2.650	NiZn	N	2.650	N/A	10 MHz - 1 GHz
28B5945	ROUND CABLE FERRITE CORE	0.500	5.885	4.275	NiZn	N	4.275	N/A	10 MHz - 1 GHz
28B5950	ROUND CABLE FERRITE CORE	0.500	5.885	3.675	NiZn	N	3.675	N/A	10 MHz - 1 GHz
28B9210	ROUND CABLE FERRITE CORE	1.000	9.210	6.665	NiZn	N	6.665	N/A	10 MHz - 1 GHz

Leader Tech Part Number	Type	A (mm)	B (mm)	C (mm)	Material	Adhesive	Maximum Cable Size (mm)	Impedance (Ohms)	Frequency Range
Leader Tech Part Number	Type	A (mm)	B (mm)	C (mm)	Material	Adhesive	Maximum Cable Size (mm)	Impedance (Ohms)	Frequency Range
20B0562-2	ROUND CABLE FERRITE CORE	28.57	14.27	6.35	NiZn	N	6.35	N/A	2.45 GHz Peak
20B0736-0	ROUND CABLE FERRITE CORE	28.57	18.69	10.92	NiZn	N	10.92	N/A	2.45 GHz Peak
28B0137-3	ROUND CABLE FERRITE CORE	12.70	3.51	1.30	NiZn	N	1.30	153 @ 100 MHz	10 MHz - 1 GHz
28B0138-7	ROUND CABLE FERRITE CORE	13.97	3.51	0.86	NiZn	N	0.86	234 @ 100 MHz	10 MHz - 1 GHz
28B0200-4	ROUND CABLE FERRITE CORE	22.86	5.08	1.57	NiZn	N	1.57	318 @ 100 MHz	10 MHz - 1 GHz
28B0250-1	ROUND CABLE FERRITE CORE	15.88	6.35	3.17	NiZn	N	3.18	133 @ 100 MHz	10 MHz - 1 GHz
28B0300-0	ROUND CABLE FERRITE CORE	5.08	7.62	1.75	NiZn	N	1.75	93 @ 100 MHz	10 MHz - 1 GHz
28B0350-0	ROUND CABLE FERRITE CORE	15.88	8.71	4.32	NiZn	N	4.32	102 @ 100 MHz	10 MHz - 1 GHz
28B0355-0	ROUND CABLE FERRITE CORE	8.99	19.99	4.75	NiZn	N	4.75	138 @ 100 MHz	10 MHz - 1 GHz
28B0375-3	ROUND CABLE FERRITE CORE	19.05	9.52	4.88	NiZn	N	4.88	140 @ 100 MHz	10 MHz - 1 GHz
28B0385-2	ROUND CABLE FERRITE CORE	16.51	9.78	0.97	NiZn	N	0.97	452 @ 100 MHz	10 MHz - 1 GHz
28B0562-2	ROUND CABLE FERRITE CORE	28.57	14.27	6.35	NiZn	N	6.35	257 @ 100 MHz	10 MHz - 1 GHz
28B0563-0	ROUND CABLE FERRITE CORE	15.24	14.27	7.26	NiZn	N	7.26	124 @ 100 MHz	10 MHz - 1 GHz
28B0625-0	ROUND CABLE FERRITE CORE	14.27	15.88	7.87	NiZn	N	7.87	120 @ 100 MHz	10 MHz - 1 GHz
28B0625-1	ROUND CABLE FERRITE CORE	28.57	15.88	7.87	NiZn	N	7.87	225 @ 100 MHz	10 MHz - 1 GHz
28B0626-0	ROUND CABLE FERRITE CORE	15.88	15.90	3.38	NiZn	N	3.38	300 @ 100 MHz	10 MHz - 1 GHz
28B0672-0	ROUND CABLE FERRITE CORE	17.07	25.40	8.76	NiZn	N	8.76	182 @ 100 MHz	10 MHz - 1 GHz
28B0672-1	ROUND CABLE FERRITE CORE	25.40	17.07	8.76	NiZn	N	8.76	182 @ 100 MHz	10 MHz - 1 GHz
28B0686-2	ROUND CABLE FERRITE CORE	28.57	17.42	9.52	NiZn	N	9.53	196 @ 100 MHz	10 MHz - 1 GHz
28B0735-0	ROUND CABLE FERRITE CORE	28.57	18.67	10.16	NiZn	N	10.16	188 @ 100 MHz	10 MHz - 1 GHz
28B0736-0	ROUND CABLE FERRITE CORE	28.57	18.69	10.92	NiZn	N	10.92	176 @ 100 MHz	10 MHz - 1 GHz
28B0870-0	ROUND CABLE FERRITE CORE	6.35	22.10	13.72	NiZn	N	13.72	25 @ 100 MHz	10 MHz - 1 GHz
28B0999-0	ROUND CABLE FERRITE CORE	12.70	25.40	15.49	NiZn	N	15.49	83 @ 100 MHz	10 MHz - 1 GHz
28B1020-1	ROUND CABLE FERRITE CORE	28.57	25.91	12.83	NiZn	N	12.83	225 @ 100 MHz	10 MHz - 1 GHz
28B1102-1	ROUND CABLE FERRITE CORE	25.40	27.99	15.75	NiZn	N	15.75	147 @ 100 MHz	10 MHz - 1 GHz
28B1225-0	ROUND CABLE FERRITE CORE	15.54	31.12	19.05	NiZn	N	19.05	97 @ 100 MHz	10 MHz - 1 GHz
28B1250-2	ROUND CABLE FERRITE CORE	25.40	31.75	19.05	NiZn	N	19.05	151 @ 100 MHz	10 MHz - 1 GHz
28B1387-1	ROUND CABLE FERRITE CORE	25.40	35.23	22.40	NiZn	N	22.40	142 @ 100 MHz	10 MHz - 1 GHz
28B1417-2	ROUND CABLE FERRITE CORE	12.70	35.99	22.99	NiZn	N	22.99	89 @ 100 MHz	10 MHz - 1 GHz
28B2000-3	ROUND CABLE FERRITE CORE	50.80	50.80	25.40	NiZn	N	25.40	381 @ 100 MHz	10 MHz - 1 GHz
28B2275	ROUND CABLE FERRITE CORE	12.70	57.78	33.91	NiZn	N	33.91	N/A	10 MHz - 1 GHz
28B2400-0	ROUND CABLE FERRITE CORE	12.70	60.96	35.56	NiZn	N	35.56	88 @ 100 MHz	10 MHz - 1 GHz
28B2945	ROUND CABLE FERRITE CORE	12.70	74.80	45.08	NiZn	N	45.09	N/A	10 MHz - 1 GHz
28B3170	ROUND CABLE FERRITE CORE	12.70	80.52	41.78	NiZn	N	41.78	N/A	10 MHz - 1 GHz
28B4100	ROUND CABLE FERRITE CORE	12.70	104.14	67.31	NiZn	N	67.31	N/A	10 MHz - 1 GHz
28B5945	ROUND CABLE FERRITE CORE	12.70	149.48	108.59	NiZn	N	108.59	N/A	10 MHz - 1 GHz
28B5950	ROUND CABLE FERRITE CORE	12.70	149.48	93.34	NiZn	N	93.35	N/A	10 MHz - 1 GHz
28B9210	ROUND CABLE FERRITE CORE	25.40	233.93	169.29	NiZn	N	169.29	N/A	10 MHz - 1 GHz

Ferrite Cable Shielding

Toroids

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