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
B65803N0040A033 FERRITE CORE RM 40NH M33 2PCS EPCOS - TDK Electronics	1,185	2.29690	Active	RM	RM 4	M33	-	40 nH	±3%	Gapped	60.4	750	1.9	21	11	-	231	Uncoated	0.207" (5.25mm)	0.433" (11.00mm)	0.181" (4.60mm)	Details
B66283K0000X197 FERRITE CORE I N97 EPCOS - TDK Electronics	339	1.98000	Active	I	I 18 x 2 x 10	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.079" (2.00mm)	0.709" (18.00mm)	0.394" (10.00mm)	Details
B64290P0036X038 FERRITE CORE TOROID 1.63UH T35 EPCOS - TDK Electronics	11,779	0.41000	Active	Toroid	-	T38	0.158" (4.02mm)	1.63 µH	±30%	Ungapped	-	10000	7.7	9.63	1.25	-	12	Parylene	0.064" (1.62mm)	-	-	Details
B66285G0000X187 FERRITE CORE ELP N87 1PC EPCOS - TDK Electronics	18,655	1.67000	Active	ELP	ELP 22 x 6 x 16	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)	Details
B66281G0000X195 FERRITE CORE ELP N95 1PC EPCOS - TDK Electronics	8,656	0.83920	Active	ELP	ELP 14 x 3.5 x 5	N95	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.138" (3.50mm)	0.551" (14.00mm)	0.197" (5.00mm)	Details
B66894G0000X187 FERRITE CORES EPCOS - TDK Electronics	2,282	37.33750	Active	E	E 100/60/28	N87	-	-	-20%, +30%	Ungapped	1930	-	0.373	274	735	690	201390	Uncoated	2.339" (59.40mm)	3.949" (100.30mm)	1.083" (27.50mm)	Details
B67345B0003X087 FERRITE CORE U N87 1PC EPCOS - TDK Electronics	6,236	44.28060	Active	U	U 93 x 76 x 16	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	2.992" (76.00mm)	3.661" (93.00mm)	0.630" (16.00mm)	Details
B64290L0022X065 FERRITE CORE TOROID 5.8UH T65 EPCOS - TDK Electronics	403	5.86000	Active	Toroid	-	T65	1.717" (43.60mm)	5.8 µH	±30%	Ungapped	-	5000	1.08	103	95.75	-	9862	Epoxy	0.535" (13.60mm)	-	-	Details
B65611W0000R087 FERRITE CORE EPCOS - TDK Electronics	3,075	6.54410	Active	-	P 36 x 22	N87	1.417" (36.00mm)	8 µH	-20%, +30%	Ungapped	1600	2200	0.25	53.5	213	173	11400	Uncoated	0.433" (11.00mm)	-	-	Details
5977000601 77 TOROID Fair-Rite Products Corp.	2,929	0.92000	Active	Toroid	-	77	0.825" (20.96mm)	-	±25%	Ungapped	-	2000	-	52	24.3	-	1260	Uncoated	0.250" (6.35mm)	-	-	Details
B65684A0315A027 FERRITE CORE PM 315NH N27 2PCS EPCOS - TDK Electronics	243	32.63000	Active	PM	PM 62 x 49	N27	2.441" (62.00mm)	315 nH	±3%	Gapped	48	2000	0.191	109	570	470	62000	Uncoated	0.965" (24.50mm)	-	-	Details
B66335G0000X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	924	6.10000	Active	E	E 55 x 28 x 21	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	1.094" (27.80mm)	2.165" (55.00mm)	0.827" (21.00mm)	Details
9578110502 78 ER CORE SET SET Fair-Rite Products Corp.	3,780	0.79000	Active	E	-	78	-	-	±25%	Ungapped	-	2300	112	14	12.6	10.3	177	Uncoated	-	-	-	Details
B65803A0063A048 FERRITE CORE RM 63NH N48 2PCS EPCOS - TDK Electronics	7,104	1.59200	Active	RM	RM 4	N48	-	63 nH	±3%	Gapped	96	-	1.9	21	11	-	231	Uncoated	0.207" (5.25mm)	0.433" (11.00mm)	0.181" (4.60mm)	Details
5695181221 95 POT CORE SET Fair-Rite Products Corp.	1,549	1.79000	Active	P (Pot Core)	-	95	0.030" (0.76mm)	-	±25%	Ungapped	-	3000	60	25.9	43	36	1120	Uncoated	0.211" (5.36mm)	-	-	Details
B66287K0000X195 FERRITE CORE I N95 EPCOS - TDK Electronics	444	4.62000	Active	I	I 32 x 3 x 20	N95	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.124" (3.15mm)	1.250" (31.75mm)	0.801" (20.35mm)	Details
5961001121 61 TOROID PLASTIC COATED Fair-Rite Products Corp.	4,945	0.84000	Active	Toroid	-	61	0.530" (13.45mm)	75 nH	±25%	Ungapped	-	125	2.08	31.2	15	-	470	Plastic	0.280" (7.11mm)	-	-	Details
B64290L0719X035 FERRITE CORE TOROID 4UH T35 EPCOS - TDK Electronics	1,227	0.99480	Active	Toroid	-	T35	0.917" (23.30mm)	4 µH	±25%	Ungapped	-	5300	1.66	54.2	32.6	-	1763	Epoxy	0.354" (9.00mm)	-	-	Details
B66461G0000X187 FERRITE CORE ELP N87 1PC EPCOS - TDK Electronics	301	6.11000	Active	ELP	ELP 43 x 10 x 28	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)	Details
B66311G0090X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	1,544	0.90000	Active	E	E 20 x 10 x 6	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.803" (20.40mm)	0.232" (5.90mm)	Details
B66506G0000X149 FERRITE CORE EQ N49 1PC EPCOS - TDK Electronics	1,026	4.22000	Active	EQ	EQ 30 x 8	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.315" (8.00mm)	1.181" (30.00mm)	0.787" (20.00mm)	Details
B65517T0025A001 FERRITE CORE P 25NH K1 2PCS EPCOS - TDK Electronics	3,620	2.37010	Active	P (Pot Core)	P 9 x 5	K1	0.366" (9.30mm)	25 nH	±3%	Gapped	25	80	1.25	12.5	10	-	125	Uncoated	0.106" (2.70mm)	-	-	Details
B66358G0200X187 FERRITE CORE ETD N87 1PC EPCOS - TDK Electronics	1,798	1.88000	Active	ETD	ETD 29 x 16 x 10	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.630" (16.00mm)	1.205" (30.60mm)	0.386" (9.80mm)	Details
B65881A0000R097 FERRITE CORE PQ 4.7UH N97 2PCS EPCOS - TDK Electronics	1,801	13.31000	Active	PQ	PQ 35 x 35	N97	-	4.7 µH	-20%, +30%	Ungapped	1750	2300	0.467	79.2	169.7	146.5	13440	Uncoated	0.685" (17.40mm)	1.382" (35.10mm)	1.024" (26.00mm)	Details

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