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
B65843A0100A087 FERRITE CORE EPCOS - TDK Electronics	7,245	0.84330	Active	EP	EP 13	N87	-	-	±3%	Gapped	99	2200	1.24	24.2	19.5	14.9	472	Uncoated	0.256" (6.50mm)	0.504" (12.80mm)	0.354" (9.00mm)	Details
B66361G2500X187 FERRITE CORE EPCOS - TDK Electronics	2,246	0.97150	Active	ETD	ETD 34 x 17 x 11	N87	-	-	-	Gapped	-	2200	0.81	78.6	97.1	91.6	7630	Uncoated	0.689" (17.50mm)	1.339" (34.00mm)	0.437" (11.10mm)	Details
B65807N0040A001 FERRITE CORE RM 40NH K1 2PCS EPCOS - TDK Electronics	935	8.54000	Active	RM	RM 6	K1	-	40 nH	±3%	Gapped	27.4	80	0.86	26.9	31.3	-	840	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)	Details
B64290L0038X830 FERRITE CORE TOROID 1.76UH N30 EPCOS - TDK Electronics	21,419	0.37000	Active	Toroid	-	N30	0.425" (10.80mm)	1.76 µH	±25%	Ungapped	-	4300	3.07	24.07	7.83	-	188	Epoxy	0.187" (4.75mm)	-	-	Details
6695404121 95 PQ CORE SET Fair-Rite Products Corp.	6,172	6.15000	Active	PQ	-	95	-	-	±25%	Ungapped	-	3000	52.3	103.6	198	170	20500	Uncoated	-	-	-	Details
B64290L0742X037 FERRITE CORE TOROID 3.92UH T37 EPCOS - TDK Electronics	1,477	0.25800	Active	Toroid	-	T37	0.535" (13.60mm)	3.92 µH	±25%	Ungapped	-	6500	2.08	31.17	14.96	-	466	Epoxy	0.281" (7.15mm)	-	-	Details
9578261802 78 EER CORE SET Fair-Rite Products Corp.	1,230	1.03000	Active	EER	-	78	-	-	±25%	Ungapped	-	2300	111	48	43.4	42.5	2083	Uncoated	0.366" (9.30mm)	-	0.295" (7.50mm)	Details
7898400321 98 PLANAR EI CORE SET Fair-Rite Products Corp.	1,140	1.55000	Active	E	-	-	-	-	±25%	Ungapped	-	2400	33	26.1	79	79	2060	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	-	Details
B65517D0200A048 FERRITE CORE P 200NH N48 2PCS EPCOS - TDK Electronics	6,440	0.99620	Active	P (Pot Core)	P 9 x 5	N48	0.366" (9.30mm)	200 nH	±3%	Gapped	200	-	1.25	12.5	10	-	125	Uncoated	0.106" (2.70mm)	-	-	Details
3078990861 78 ROD Fair-Rite Products Corp.	5,394	0.35000	Active	ROD	-	78	-	-	-	Ungapped	34	2300	-	-	4.91	-	-	Uncoated	-	-	-	Details
3078990911 78 ROD Fair-Rite Products Corp.	2,141	1.87000	Active	ROD	-	78	0.315" (8.00mm)	-	-	Ungapped	20	2300	-	-	50.3	-	-	Uncoated	-	1.772" (45.00mm)	-	Details
5975004901 75 TOROID Fair-Rite Products Corp.	2,138	1.23000	Active	Toroid	-	75	0.630" (16.00mm)	-	±20%	Ungapped	-	5000	-	38.5	19.9	-	770	Uncoated	0.250" (6.35mm)	-	-	Details
B66291G0000X187 FERRITE CORE ELP N87 1PC EPCOS - TDK Electronics	546	4.38000	Active	ELP	ELP 43 x 10 x 28	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)	Details
B66311G0250X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	4,071	0.81000	Active	E	E 20 x 10 x 6	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.803" (20.40mm)	0.232" (5.90mm)	Details
B65887E0160A087 FERRITE CORE EPCOS - TDK Electronics	237	11.93000	Active	RM	RM 14	N87	-	-	-	Gapped	-	2200	0.35	70	200	170	14000	Uncoated	0.594" (15.10mm)	1.661" (42.20mm)	0.748" (19.00mm)	Details
B65855A0000R087 FERRITE CORE EP 430NH N87 2PCS EPCOS - TDK Electronics	7,252	0.49080	Active	EP	EP 5	N87	-	430 nH	-20%, +30%	Ungapped	1100	2200	3.14	9.73	3.09	2.3	30	Uncoated	0.112" (2.85mm)	0.242" (6.15mm)	0.154" (3.90mm)	Details
B64290L0045X035 FERRITE CORE TOROID 3.87UH T35 EPCOS - TDK Electronics	1,395	0.84000	Active	Toroid	-	T35	0.677" (17.20mm)	3.87 µH	±25%	Ungapped	-	6000	1.95	38.52	19.73	-	760	Epoxy	0.287" (7.30mm)	-	-	Details
B66317G0500X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	23	0.92000	Active	E	E 25 x 13 x 7	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.504" (12.80mm)	0.984" (25.00mm)	0.295" (7.50mm)	Details
5975005121 75 TOROID PLASTIC COATED Fair-Rite Products Corp.	128	1.23000	Active	Toroid	-	75	0.665" (16.90mm)	2.35 µH	-25%, +20%	Ungapped	-	5000	2.6	38.5	14.5	-	560	Plastic	0.207" (5.25mm)	-	-	Details
B66453K0000X608 I18/2/10-PC200 EPCOS - TDK Electronics	4,413	1.25000	Active	ELP	-	PC200	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.079" (2.00mm)	0.709" (18.00mm)	0.394" (10.00mm)	Details
B65733A0000R087 FERRITE CORE PM 16UH N87 2PCS EPCOS - TDK Electronics	1,611	367.33000	Active	PM	PM 114 x 93	N87	4.488" (114.00mm)	16 µH	-20%, +30%	Ungapped	1480	2200	0.116	200	1720	1380	344000	Uncoated	1.831" (46.50mm)	-	-	Details
B66344G0000X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	135	7.86000	Active	E	E 55 x 28 x 25	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	1.094" (27.80mm)	2.165" (55.00mm)	0.984" (25.00mm)	Details
B66423U0160K187 FERRITE CORE EFD N87 1PC EPCOS - TDK Electronics	4,404	1.52000	Active	EFD	EFD 30 x 15 x 9	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)	Details
B66358G0500X127 FERRITE CORE ETD N27 1PC EPCOS - TDK Electronics	804	1.74000	Active	ETD	ETD 29 x 16 x 10	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.630" (16.00mm)	1.205" (30.60mm)	0.386" (9.80mm)	Details

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