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
9077025002 FERRITE CORE U 77 Fair-Rite Products Corp.	1,559	-	RFQ	Datasheet	-	Bulk	Active	U	-	77	-	-	-	Ungapped	-	2000	207.0	84.0	40.0	-	3360.0	Uncoated	-	1.000" (25.40mm)	0.250" (6.35mm)
ZL41605TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,803	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	L	0.655" (16.64mm)	396 nH	±25%	Ungapped	-	750	-	37.2	15.6	-	582.0	Epoxy	0.205" (5.20mm)	-	-
B65843A0250J087 FERRITE CORE EP 250NH N87 2PCS EPCOS - TDK Electronics	935	-	RFQ	Datasheet	EP13	Box	Active	EP	EP 13	N87	-	250 nH	±5%	Gapped	247.0	2200	1.24	24.2	19.5	14.9	472.0	Uncoated	0.256" (6.50mm)	0.504" (12.80mm)	0.354" (9.00mm)
B64290L0632X027 FERRITE CORE TOROID 1.94UH N27 EPCOS - TDK Electronics	500	-	RFQ	Datasheet	TX20/10/7	Box	Active	Toroid	-	N27	0.835" (21.20mm)	1.94 µH	±25%	Ungapped	-	2000	1.3	43.55	33.63	33.63	1465.0	Epoxy	0.319" (8.10mm)	-	-
EFD20/10/7-3F36 FERRITE CORE EFD 3F36 Ferroxcube	4,004	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 20 x 10 x 7	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.262" (6.65mm)
B66453G0000X608 FERRITE CORE ELP PCS200 EPCOS - TDK Electronics	1,091	-	RFQ	Datasheet	ELP18/4/10	Bulk	Active	ELP	-	PC200	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
B65839A0000R087 FERRITE CORE EP 1.1UH N87 2PCS EPCOS - TDK Electronics	892	-	RFQ	Datasheet	EP7	Box	Active	EP	EP 7	N87	-	1.1 µH	-20%, +30%	Ungapped	1330.0	2200	1.52	15.7	10.3	8.5	162.0	Uncoated	0.148" (3.75mm)	0.370" (9.40mm)	0.256" (6.50mm)
B64290L0638X087 FERRITE CORE TOROID 1.34UH N87 EPCOS - TDK Electronics	408	-	RFQ	Datasheet	TX22/14/6.4	Bulk	Active	Toroid	-	N87	0.917" (23.30mm)	1.34 µH	±25%	Ungapped	-	2200	2.07	54.15	26.17	-	1417.0	Epoxy	0.291" (7.40mm)	-	-
2631800202 31 SHIELD BEAD Fair-Rite Products Corp.	3,921	-	RFQ	Datasheet	-	Bag	Active	Toroid	-	31	0.366" (9.30mm)	-	-	Ungapped	-	-	-	20.7	7.25	-	150.0	Uncoated	0.120" (3.05mm)	-	-
ETD29/16/10-3C94 FERRITE CORE ETD 3C94 Ferroxcube	2,633	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 29 x 16 x 10	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.622" (15.80mm)	1.205" (30.60mm)	0.386" (9.80mm)
5968000301 FERRITE CORE TOROID 68 Fair-Rite Products Corp.	5,944	-	RFQ	Datasheet	-	Box	Active	Toroid	-	68	0.500" (12.70mm)	-	-	Ungapped	-	16	-	29.5	12.9	-	380.0	Uncoated	0.188" (4.78mm)	-	-
ZW41005TC FERRITE CORE TOROID 6.616UH W Magnetics, a division of Spang & Co.	1,894	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.405" (10.29mm)	6.616 µH	±30%	Ungapped	-	10000	-	20.7	10.9	-	227.0	Epoxy	0.213" (5.40mm)	-	-
3067990881 FERRITE CORE ROD 67 Fair-Rite Products Corp.	4,978	-	RFQ	Datasheet	-	Bulk	Active	ROD	-	67	-	-	-	Ungapped	18.0	40	-	-	12.6	-	-	Uncoated	-	1.181" (30.00mm)	-
4077312911 FERRITE CORE ROD 77 Fair-Rite Products Corp.	3,384	-	RFQ	Datasheet	-	Bulk	Active	ROD	-	77	0.315" (8.00mm)	-	-	Ungapped	29.0	2000	-	25.0	7.07	-	-	Uncoated	-	1.500" (38.10mm)	-
4052235211 FERRITE CORE ROD 52 Fair-Rite Products Corp.	705	-	RFQ	Datasheet	-	Box	Active	ROD	-	52	0.236" (6.00mm)	-	-	Ungapped	29.0	250	-	25.0	7.07	-	-	Uncoated	-	1.181" (30.00mm)	-
E14/3.5/5/R-3F36 FERRITE CORE E 3F36 Ferroxcube	9,912	-	RFQ	Datasheet	-	Bulk	Active	E	E 14 x 3.5 x 5	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.138" (3.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
B64290P0037X001 FERRITE CORE TOROID 20NH K1 EPCOS - TDK Electronics	8,925	-	RFQ	Datasheet	TC6.3/3.8/2.5	Box	Active	Toroid	-	K1	0.249" (6.32mm)	20 nH	±25%	Ungapped	-	80	4.97	15.21	3.06	-	46.5	Parylene	0.099" (2.52mm)	-	-
ZJ41306TC FERRITE CORE TOROID 2.968UH Magnetics, a division of Spang & Co.	3,212	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	0.525" (13.34mm)	2.968 µH	±20%	Ungapped	-	5000	-	31.7	14.2	-	451.2	Epoxy	0.272" (6.91mm)	-	-
B64290L0638X830 FERRITE CORE TOROID 2.61UH N30 EPCOS - TDK Electronics	2,410	-	RFQ	Datasheet	TX22/14/6.4	Box	Active	Toroid	-	N30	0.917" (23.30mm)	2.61 µH	±25%	Ungapped	-	4300	2.07	54.15	26.17	-	1417.0	Epoxy	0.291" (7.40mm)	-	-
B66421G0000X197 FERRITE CORE EFD N97 1PC EPCOS - TDK Electronics	2,335	-	RFQ	Datasheet	EFD25/13/9	Box	Active	EFD	EFD 25 x 13 x 9	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)

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.