Ferrite Cores

Compare the current Ferrite Cores Magnetics - Transformer, Inductor Components selection by manufacturer, stock status, datasheet and technical parameters. Use these details to narrow the list to parts that match your design, maintenance or purchasing requirements.

For a specific MPN, package, electrical rating or quantity requirement, send the details to EGOO. We can help confirm availability, quotation and alternative sourcing options.

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	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⁻¹	Effective Length (le) mm	Effective Area (Ae) mm²	Minimum Core Cross Section (Amin) mm²	Effective Magnetic Volume (Ve) mm³	Finish	Height	Length	Width
B65651W0000R030 FERRITE CORE P 5.9UH N30 2PCS EPCOS - TDK Electronics	489	-	RFQ	Datasheet	P18/11	Box	Active	P (Pot Core)	P 18 x 11	N30	0.724" (18.40mm)	5.9 µH	-20%, +30%	Ungapped	2680.0	4300	0.57	26.6	46.7	33.9	1242.0	Uncoated	0.209" (5.30mm)	-	-
B65811J0000R608 FERRITE CORE RM PCS200 EPCOS - TDK Electronics	365	-	RFQ	Datasheet	RM8	Bulk	Active	RM	RM 8	PC200	-	-	-20%, +30%	Ungapped	600.0	800	0.59	38.0	64.0	55.0	2430.0	Uncoated	0.650" (16.50mm)	0.913" (23.20mm)	0.433" (11.00mm)
B66287K0000X149 FERRITE CORE I N49 EPCOS - TDK Electronics	1,991	-	RFQ	Datasheet	I32/3/20	Tray	Active	I	I 32 x 3 x 20	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.124" (3.15mm)	1.250" (31.75mm)	0.801" (20.35mm)
B65807N0100A033 FERRITE CORE RM 100NH M33 2PCS EPCOS - TDK Electronics	1,791	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	M33	-	100 nH	±3%	Gapped	68.5	750	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807N0063A033 FERRITE CORE RM 63NH M33 2PCS EPCOS - TDK Electronics	2,446	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	M33	-	63 nH	±3%	Gapped	43.2	750	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B66289G0000X187 FERRITE CORE ELP N87 1PC EPCOS - TDK Electronics	888	-	RFQ	Datasheet	ELP38/8/25	Box	Active	ELP	ELP 38 x 8 x 25	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.324" (8.25mm)	1.500" (38.10mm)	1.000" (25.40mm)
B66291G0000X187 FERRITE CORE ELP N87 1PC EPCOS - TDK Electronics	872	-	RFQ	Datasheet	ELP43/10/28	Box	Active	ELP	ELP 43 x 10 x 28	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)
B65813J0250A041 FERRITE CORE RM 250NH N41 2PCS EPCOS - TDK Electronics	506	-	RFQ	Datasheet	RM10	Box	Active	RM	RM 10	N41	-	250 nH	±3%	Gapped	89.0	2800	0.45	44.0	98.0	90.0	4310.0	Uncoated	0.368" (9.35mm)	1.122" (28.50mm)	0.531" (13.50mm)
B65531D0040A001 FERRITE CORE P 40NH K1 2PCS EPCOS - TDK Electronics	1,570	-	RFQ	Datasheet	P11/7	Box	Active	P (Pot Core)	P 11 x 7	K1	0.445" (11.30mm)	40 nH	±3%	Gapped	32.0	80	1.0	15.9	15.9	-	253.0	Uncoated	0.130" (3.30mm)	-	-
B64290L0616X038 FERRITE CORE TOROID 21.3UH T38 EPCOS - TDK Electronics	631	-	RFQ	Datasheet	TX25.3/14.8/20	Box	Active	Toroid	-	T38	1.047" (26.60mm)	21.3 µH	±30%	Ungapped	-	10000	0.59	60.07	102.5	-	6157.0	Epoxy	0.839" (21.30mm)	-	-

Ferrite Cores FAQ

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