Ferrite Cores

Browse available Ferrite Cores components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.

If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.

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
B66307G0500X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	2,850	-	RFQ	Datasheet	E16/8/5	Box	Active	E	E 16 x 8 x 5	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
B66317G1000X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	3,048	-	RFQ	Datasheet	E25/13/7	Box	Active	E	E 25 x 13 x 7	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.504" (12.80mm)	0.984" (25.00mm)	0.295" (7.50mm)
B66317G0500X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	2,937	-	RFQ	Datasheet	E25/13/7	Box	Active	E	E 25 x 13 x 7	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.504" (12.80mm)	0.984" (25.00mm)	0.295" (7.50mm)
B66319G0000X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	2,479	-	RFQ	Datasheet	E30/15/7	Box	Active	E	E 30 x 15 x 7	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.598" (15.20mm)	1.181" (30.00mm)	0.287" (7.30mm)
B64290P0037X049 FERRITE CORE TOROID 330NH N49 EPCOS - TDK Electronics	9,745	-	RFQ	Datasheet	TC6.3/3.8/2.5	Box	Active	Toroid	R 6.3 x 3.8 x 2.5	N49	0.248" (6.30mm)	330 nH	±25%	Gapped	-	1500	4.97	15.21	3.06	-	46.5	Parylene	0.098" (2.50mm)	-	-
B66417U0100K187 FERRITE CORE EFD N87 1PC EPCOS - TDK Electronics	3,777	-	RFQ	Datasheet	EFD20/10/7	Box	Active	EFD	EFD 20 x 10 x 7	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.262" (6.65mm)
B66417U0160K187 FERRITE CORE EFD N87 1PC EPCOS - TDK Electronics	3,359	-	RFQ	Datasheet	EFD20/10/7	Box	Active	EFD	EFD 20 x 10 x 7	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.262" (6.65mm)
TX10/6/4-3C94 FERRITE CORE TOROID 3C94 Ferroxcube	2,220	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	3C94	-	-	-	Ungapped	-	-	3.07	24.1	7.8	-	3.07	Epoxy	0.167" (4.25mm)	-	-
0077040A7 FERRITE CORE TOROID 66NH KOOL MU Magnetics, a division of Spang & Co.	4,599	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.425" (10.80mm)	66 nH	±12%	Ungapped	-	125	-	23.0	9.57	-	220.0	Coated	0.181" (4.60mm)	-	-
B66311G0090X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	4,135	-	RFQ	Datasheet	E20/10/6	Box	Active	E	E 20 x 10 x 6	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.803" (20.40mm)	0.232" (5.90mm)
B66317G0160X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	2,382	-	RFQ	Datasheet	E25/13/7	Box	Active	E	E 25 x 13 x 7	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.504" (12.80mm)	0.984" (25.00mm)	0.295" (7.50mm)
0077130A7 FERRITE CORE TOROID 53NH KOOL MU Magnetics, a division of Spang & Co.	3,605	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.465" (11.81mm)	53 nH	±12%	Ungapped	-	125	-	26.9	9.06	-	244.0	Coated	0.181" (4.60mm)	-	-
B64290P0751X038 FERRITE CORE TOROID 5.5UH T38 EPCOS - TDK Electronics	7,416	-	RFQ	Datasheet	TC8/4/4	Box	Active	Toroid	-	T38	0.316" (8.02mm)	5.5 µH	±30%	Ungapped	-	10000	2.26	17.42	7.7	-	134.0	Parylene	0.158" (4.02mm)	-	-
5967000301 FERRITE CORE TOROID 67 Fair-Rite Products Corp.	19,652	-	RFQ	Datasheet	-	Box	Active	Toroid	-	67	0.500" (12.70mm)	-	-	Ungapped	-	40	-	29.5	12.9	-	380.0	Uncoated	0.188" (4.78mm)	-	-
B65523J0000R087 FERRITE CORE ER 800NH N87 2PCS EPCOS - TDK Electronics	15,843	-	RFQ	Datasheet	ER9.5	Box	Active	ER	ER 9.5 x 5	N87	-	800 nH	-20%, +30%	Ungapped	1000.0	2200	1.54	13.6	8.81	-	120.0	Uncoated	0.098" (2.50mm)	0.374" (9.50mm)	0.197" (5.00mm)
B64290L0719X087 FERRITE CORE TOROID 1.66UH N87 EPCOS - TDK Electronics	5,961	-	RFQ	Datasheet	TX22/14/7.9	Box	Active	Toroid	-	N87	0.917" (23.30mm)	1.66 µH	±25%	Ungapped	-	2200	1.66	54.2	32.6	-	1763.0	Epoxy	0.354" (9.00mm)	-	-
B66311G0500X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	3,766	-	RFQ	Datasheet	E20/10/6	Box	Active	E	E 20 x 10 x 6	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.803" (20.40mm)	0.232" (5.90mm)
4061287011 FERRITE CORE ROD 61 Fair-Rite Products Corp.	3,012	-	RFQ	Datasheet	-	Bulk	Active	ROD	-	61	0.250" (6.35mm)	-	-	Ungapped	29.0	125	-	25.0	7.07	-	-	Uncoated	-	0.870" (22.10mm)	-
TX10/6/4-3E27 FERRITE CORE TOROID 3E+27 Ferroxcube	2,622	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	3E27	-	-	-	Ungapped	-	-	3.07	24.1	7.8	-	3.07	Epoxy	0.167" (4.25mm)	-	-
PLT14/5/1.5/S-3C95 FERRITE CORE PLT 3C95 Ferroxcube	7,510	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 14 x 5 x 1.5	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.059" (1.50mm)	0.551" (14.00mm)	0.197" (5.00mm)

Ferrite Cores FAQ

What Ferrite Cores components can I source from EGOO?

You can browse available Ferrite Cores product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.

Can EGOO help with hard-to-source or obsolete Ferrite Cores parts?

Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.

Does EGOO support BOM and small-batch sourcing?

Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.

How do I request pricing and availability?

Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.