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
B65815E1000J041 FERRITE CORE RM 1UH N41 2PCS EPCOS - TDK Electronics	2	7.69000	Active	RM	RM 12	N41	-	1 µH	±5%	Gapped	311	2800	0.39	57	146	125	8320	Uncoated	0.484" (12.30mm)	1.480" (37.60mm)	0.634" (16.10mm)	Details
4077266011 77 ROD Fair-Rite Products Corp.	8,261	0.99000	Active	ROD	-	77	0.250" (6.35mm)	-	-	Ungapped	-	2000	-	-	-	-	-	Uncoated	-	1.500" (38.10mm)	-	Details
PC95ELT18X7.3-Z FERRITE CORE ELT 4.76UH 1SET TDK Corporation	6,083	1.98000	Active	ELH, PLT	ELT 18 x 7.3	PC95	-	4.76 µH	±25%	Ungapped	-	-	0.54	44.3	23.8	43	1050	Uncoated	0.222" (5.65mm)	0.709" (18.00mm)	0.567" (14.40mm)	Details
B64290L0038X027 FERRITE CORE EPCOS - TDK Electronics	1,855	0.31000	Active	Toroid	-	N27	-	-	-	Gapped	-	2000	-	-	-	-	-	Epoxy	-	-	-	Details
5943015901 43 TOROID Fair-Rite Products Corp.	244	36.32000	Active	Toroid	-	43	-	-	±25%	Ungapped	-	800	-	230	277	-	63700	Uncoated	0.500" (12.70mm)	-	-	Details
B65815E0400J041 FERRITE CORE RM 400NH N41 2PCS EPCOS - TDK Electronics	202	7.69000	Active	RM	RM 12	N41	-	400 nH	±5%	Gapped	124	2800	0.39	57	146	125	8320	Uncoated	0.484" (12.30mm)	1.480" (37.60mm)	0.634" (16.10mm)	Details
B65807J0000R041 FERRITE CORE RM 3.1UH N41 2PCS EPCOS - TDK Electronics	573	2.77000	Active	RM	RM 6	N41	-	3.1 µH	-20%, +30%	Ungapped	1930	2800	0.78	28.6	36.6	31	1050	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)	Details
B64290P0683X038 FERRITE CORE TOROID 2.2UH T38 EPCOS - TDK Electronics	7,613	0.20080	Active	Toroid	-	T38	0.121" (3.07mm)	2.2 µH	±30%	Ungapped	-	9900	5.65	5.99	1.06	-	6.4	Parylene	0.051" (1.29mm)	-	-	Details
B66305G0130X187 FERRITE CORE EPCOS - TDK Electronics	2,098	0.60000	Active	E	E 13 x 7 x 4	N87	-	112 nH	-	Gapped	215	2200	2.39	29.6	12.4	12.2	367	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)	Details
B66501G0000X187 FERRITE CORE ER N87 1PC EPCOS - TDK Electronics	10,603	3.39000	Active	ER	ER 32 x 5 x 21	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.201" (5.10mm)	1.260" (32.00mm)	0.827" (21.00mm)	Details
B65495B0000Y030 FERRITE CORE P 800NH N30 2PCS EPCOS - TDK Electronics	1,560	3.98000	Active	P (Pot Core)	P 4.6 x 4.1	N30	0.183" (4.65mm)	800 nH	-30%, +40%	Ungapped	1730	4300	2.7	7.6	2.8	-	21.3	Uncoated	0.079" (2.00mm)	-	-	Details
8995101021 98 EFD CORE SET Fair-Rite Products Corp.	6,923	0.50000	Active	EFD	-	95	-	-	±25%	Ungapped	-	3000	327	23.6	7.2	6.6	171	Uncoated	0.205" (5.20mm)	-	-	Details
B66389G0000X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	57	2.21000	Active	E	E 36 x 18 x 11	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.709" (18.00mm)	1.417" (36.00mm)	0.453" (11.50mm)	Details
B65701D0000R048 FERRITE CORE P 6.2UH N48 2PCS EPCOS - TDK Electronics	392	9.82000	Active	P (Pot Core)	P 30 x 19	N48	1.200" (30.50mm)	6.2 µH	-20%, +30%	Ungapped	1630	-	0.33	45	136	-	6120	Uncoated	0.374" (9.50mm)	-	-	Details
B66319G0000X130 FERRITE CORE E N30 1PC EPCOS - TDK Electronics	300	1.50000	Active	E	E 30 x 15 x 7	N30	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.598" (15.20mm)	1.181" (30.00mm)	0.287" (7.30mm)	Details
8995252521 95 EFD CORE SET Fair-Rite Products Corp.	9,607	1.56000	Active	EFD	-	95	-	-	±25%	Ungapped	-	3000	104	58.8	58	55	3320	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	-	Details
B66314G0000X130 FERRITE CORE E N30 1PC EPCOS - TDK Electronics	8,361	0.42160	Active	E	E 21 x 9 x 5	N30	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.343" (8.70mm)	0.831" (21.10mm)	0.197" (5.00mm)	Details
3078990821 78 ROD Fair-Rite Products Corp.	20,611	0.21000	Active	ROD	-	78	0.030" (0.76mm)	-	-	Ungapped	48	2300	-	-	0.442	-	-	Uncoated	-	0.295" (7.50mm)	-	Details
5967001201 67 TOROID Fair-Rite Products Corp.	341	4.87000	Active	Toroid	-	67	1.142" (29.00mm)	-	-	Ungapped	-	40	-	73	68	-	5000	Uncoated	0.545" (13.84mm)	-	-	Details
B66358G0000X187 FERRITE CORE ETD N87 1PC EPCOS - TDK Electronics	2,176	1.71000	Active	ETD	ETD 29 x 16 x 10	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.630" (16.00mm)	1.205" (30.60mm)	0.386" (9.80mm)	Details
B66329G1500X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	2,076	3.69000	Active	E	E 42 x 21 x 20	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.835" (21.20mm)	1.654" (42.00mm)	0.787" (20.00mm)	Details
B64290L0038X035 FERRITE CORE TOROID 2.46UH T35 EPCOS - TDK Electronics	13,619	0.57000	Active	Toroid	-	T35	0.425" (10.80mm)	2.46 µH	±25%	Ungapped	-	6000	3.07	24.07	7.83	-	188	Epoxy	0.187" (4.75mm)	-	-	Details
B65517D0000R030 FERRITE CORE P 2.5UH N30 2PCS EPCOS - TDK Electronics	1,361	1.08400	Active	P (Pot Core)	P 9 x 5	N30	0.366" (9.30mm)	2.5 µH	-20%, +30%	Ungapped	2490	4300	1.25	12.5	10	-	125	Uncoated	0.106" (2.70mm)	-	-	Details
5977001401 77 TOROID Fair-Rite Products Corp.	4,219	1.47000	Active	Toroid	-	77	1.000" (25.40mm)	-	±25%	Ungapped	-	2000	-	62	41	-	2520	Uncoated	0.320" (8.13mm)	-	-	Details

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