Ferrite Cores

Mfr Part #	Qty	Price	Product Status	Core Type	Supplier Device Package	Material	Diameter	Inductance Factor (Al)	Tolerance	Gap	Effective Permeability (µe)	Initial Permeability (µi)	Core Factor (ΣI/A) mm<sup>-1</sup>	Effective Length (le) mm	Effective Area (Ae) mm²	Minimum Core Cross Section (Amin) mm²	Effective Magnetic Volume (Ve) mm³	Finish	Height	Length	Width
B65981Q0250K095 PQ50/50-N95-DG250 EPCOS - TDK Electronics	73	27.60000	Active	PQ	PQ 50 x 50	N95	-	250 nH	±10%	Distributed Gapped	-	3000	0.342	113	332	314	37630	Uncoated	0.984" (25.00mm)	1.969" (50.00mm)	1.260" (32.00mm)	Details
B64290L0058X830 FERRITE CORE TOROID 4.36UH N30 EPCOS - TDK Electronics	2,426	3.77000	Active	Toroid	-	N30	1.397" (35.50mm)	4.36 µH	±25%	Ungapped	-	4300	1.24	82.06	66.08	-	5423	Epoxy	0.437" (11.10mm)	-	-	Details
B65887E1000J041 FERRITE CORE RM 1UH N41 2PCS EPCOS - TDK Electronics	181	13.61000	Active	RM	RM 14	N41	-	1 µH	±5%	Gapped	279	2800	0.35	70	200	170	14000	Uncoated	0.594" (15.10mm)	1.661" (42.20mm)	0.748" (19.00mm)	Details
3067990861 67 ROD Fair-Rite Products Corp.	5,425	0.62000	Active	ROD	-	67	0.098" (2.50mm)	-	-	Ungapped	19	40	-	-	4.91	-	-	Uncoated	-	0.787" (20.00mm)	-	Details
B65807J0160A048 FERRITE CORE RM 160NH N48 2PCS EPCOS - TDK Electronics	300	2.95000	Active	RM	RM 6	N48	-	160 nH	±3%	Gapped	109	-	0.78	28.6	36.6	31	1050	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)	Details
B66413U0100K197 FERRITE CORE EPCOS - TDK Electronics	6,751	0.43360	Active	EFD	EFD 15 x 8 x 5	N97	-	-	-	Gapped	-	2300	2.27	34	15	12.2	510	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)	Details
5943017501 43 TOROID Fair-Rite Products Corp.	196	74.73000	Active	Toroid	-	43	-	-	±25%	Ungapped	-	800	-	251	300	-	70500	Uncoated	-	-	3.976" (101.00mm)	Details
B66413G0000X149 FERRITE CORE EFD N49 1PC EPCOS - TDK Electronics	1,456	0.88000	Active	EFD	EFD 15 x 8 x 5	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)	Details
B66506K0000X197 I30/2.7/20 N97 UNGAPPED EPCOS - TDK Electronics	8,870	4.29980	Active	I	I 30 x 2.7 x 20	N97	-	5.75 µH	±25%	Ungapped	1330	-	0.29	31.5	108	95	3400	Uncoated	0.106" (2.70mm)	1.181" (30.00mm)	0.787" (20.00mm)	Details
B64290P0751X038 FERRITE CORE TOROID 5.5UH T38 EPCOS - TDK Electronics	2,265	0.87000	Active	Toroid	-	T38	0.316" (8.02mm)	5.5 µH	±30%	Ungapped	-	10000	2.26	17.42	7.7	-	134	Parylene	0.158" (4.02mm)	-	-	Details
B66483G0000X197 FERRITE CORE EQ N97 1PC EPCOS - TDK Electronics	1,790	2.67000	Active	EQ	EQ 20 x 6	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.248" (6.30mm)	0.787" (20.00mm)	0.551" (14.00mm)	Details
5961003821 61 TOROID PLASTIC COATED Fair-Rite Products Corp.	6,729	16.40000	Active	Toroid	-	61	2.472" (62.80mm)	170 nH	±25%	Ungapped	-	125	0.91627	145	158	-	22800	Plastic	0.539" (13.70mm)	-	-	Details
B64290L0082X038 FERRITE CORE TOROID 17.4UH T38 EPCOS - TDK Electronics	324	22.41000	Active	Toroid	-	T38	2.040" (51.80mm)	17.4 µH	±30%	Ungapped	-	8500	0.62	120.4	195.7	-	23560	Epoxy	0.839" (21.30mm)	-	-	Details
B64290P0037X830 FERRITE CORE TOROID 1.09UH N30 EPCOS - TDK Electronics	20,811	0.60000	Active	Toroid	-	N30	0.249" (6.32mm)	1.09 µH	±25%	Ungapped	-	4300	4.97	15.21	3.06	-	46.5	Parylene	0.099" (2.52mm)	-	-	Details
6278420121 78 RM CORE SET Fair-Rite Products Corp.	1,050	4.83000	Active	RM	-	78	-	-	±25%	Ungapped	-	2300	38	73.8	195	170.9	14370	Uncoated	-	-	-	Details
B64290P0687X830 FERRITE CORE TOROID 1.68UH N30 EPCOS - TDK Electronics	4,400	0.28990	Active	Toroid	-	N30	0.231" (5.87mm)	1.68 µH	±25%	Ungapped	-	4300	3.22	13.03	4.04	-	52.6	Parylene	0.119" (3.02mm)	-	-	Details
B65819P0000R087 FERRITE CORE RM 3.3UH N87 2PCS EPCOS - TDK Electronics	4,966	1.24670	Active	RM	RM 7 LP	N87	-	3.3 µH	-20%, +30%	Ungapped	1360	2200	0.52	23.5	45.3	39.6	1060	Uncoated	0.193" (4.90mm)	0.799" (20.30mm)	-	Details
B65855A0000R049 FERRITE CORE EPCOS - TDK Electronics	2,599	0.38490	Not For New Designs	EP	EP 5	N49	-	350 nH	-20%, +30%	Ungapped	880	1500	3.149	9.73	3.09	2.3	30	Uncoated	0.112" (2.85mm)	0.242" (6.15mm)	0.154" (3.90mm)	Details
B64290L0040X830 FERRITE CORE TOROID 5.4UH N30 EPCOS - TDK Electronics	348	14.69000	Active	Toroid	-	N30	2.366" (60.10mm)	5.4 µH	±25%	Ungapped	-	4300	1	152.4	152.4	-	23230	Epoxy	0.740" (18.80mm)	-	-	Details
PC47EER40-Z FERRITE CORE EER 3.62UH 2PC SET TDK Corporation	2,956	5.81000	Active	E	EER 40	PC47	-	3.62 µH	±25%	Ungapped	-	-	0.66	98	149	-	14600	Uncoated	0.882" (22.40mm)	1.575" (40.00mm)	0.524" (13.30mm)	Details
B64290A0711X010 R202/153/25 EPCOS - TDK Electronics	6,178	510.80250	Active	Toroid	R 202 x 153 x 25	K10	7.953" (202.00mm)	970 nH	±25%	Ungapped	-	700	0.9	550.5	608.6	-	335030	Uncoated	0.984" (25.00mm)	-	-	Details
B65813D0630A048 FERRITE CORE RM 630NH N48 2PCS EPCOS - TDK Electronics	108	6.53000	Active	RM	RM 10	N48	-	630 nH	±3%	Gapped	254	-	0.5	42	83	-	3490	Uncoated	0.368" (9.35mm)	1.122" (28.50mm)	0.531" (13.50mm)	Details
B64290L0668X065 FERRITE CORE TOROID 8.8UH T65 EPCOS - TDK Electronics	2,678	4.43350	Active	Toroid	-	T65	1.551" (39.40mm)	8.8 µH	±30%	Ungapped	-	5000	0.71	82.97	116.2	-	9644	Epoxy	0.543" (13.80mm)	-	-	Details
B64290L0084X830 FERRITE CORE TOROID 5.5UH N30 EPCOS - TDK Electronics	6,023	57.68000	Active	Toroid	-	N30	4.126" (104.80mm)	5.5 µH	±25%	Ungapped	-	4200	0.96	255.3	267.2	-	68220	Epoxy	0.650" (16.50mm)	-	-	Details

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