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
YF41005TC TOROID-PARYLENE COATED Magnetics, a division of Spang & Co.	4,337	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.388" (9.86mm)	1.98 µH	±20%	Ungapped	-	3000	-	20.7	10.9	-	227.0	Parylene	0.196" (4.98mm)	-	-
TC6/4/2-3F3 Ferrite Misc Ferroxcube	4,881	-	RFQ	Datasheet	-	Bulk	Active	Toroid	Toroid 6 x 4 x 2	3F3	0.236" (6.00mm)	325 nH	±25%	Ungapped	-	2000	7.75	15.3	1.97	-	30.2	Parylene	0.079" (2.00mm)	-	-
B64290P0035X092 FERRITE CORE TOROID N92 EPCOS - TDK Electronics	2,394	-	RFQ	Datasheet	TC2.5/1.5/1	Box	Active	Toroid	-	N92	-	-	-	Gapped	-	1500	-	-	-	-	-	Parylene	-	-	-
0F41106IC I-SHAPE CORE Magnetics, a division of Spang & Co.	4,327	-	RFQ	Datasheet	-	Bulk	Active	I	-	F	-	1.15 µH	±25%	Ungapped	-	-	-	24.6	11.5	11.5	283.0	Uncoated	0.072" (1.82mm)	0.425" (10.80mm)	0.248" (6.30mm)
E13/7/4-3C90 Ferrite Misc Ferroxcube	1,452	-	RFQ	Datasheet	-	Bulk	Active	E	E 13 x 7 x 4	3C90	-	100 nH	±8%	Gapped	190.0	2300	2.39	29.7	12.4	12.2	369.0	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
B64290P0739X057 FERRITE CORE TOROID 1.7UH T57 EPCOS - TDK Electronics	1,280	-	RFQ	Datasheet	TC3.05/1.27/2.5	Box	Active	Toroid	-	T57	0.121" (3.07mm)	1.7 µH	±25%	Ungapped	-	3800	2.82	5.99	2.12	-	12.7	Parylene	0.101" (2.56mm)	-	-
0J41808EC E-CORE Magnetics, a division of Spang & Co.	1,046	-	RFQ	Datasheet	-	Bulk	Active	E	-	J	-	2.5 µH	-	Ungapped	-	5000	-	39.9	22.6	22.1	900.0	Uncoated	0.319" (8.10mm)	0.752" (19.10mm)	0.187" (4.75mm)
0P41407TC TOROID UNCOATED Magnetics, a division of Spang & Co.	4,389	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.500" (12.70mm)	1.356 µH	±25%	Ungapped	-	2500	-	29.5	12.9	-	381.0	Uncoated	0.188" (4.78mm)	-	-
0F41407TC TOROID UNCOATED Magnetics, a division of Spang & Co.	1,807	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.500" (12.70mm)	1.63 µH	±20%	Ungapped	-	3000	-	29.5	12.9	-	381.0	Uncoated	0.188" (4.78mm)	-	-
0W41005TC TOROID UNCOATED Magnetics, a division of Spang & Co.	2,870	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.375" (9.53mm)	6.616 µH	±30%	Ungapped	-	10000	-	20.7	10.9	-	227.0	Uncoated	0.188" (4.78mm)	-	-
B66305U0250K127 FERRITE CORE E N27 EPCOS - TDK Electronics	3,931	-	RFQ	Datasheet	-	Box	Not For New Designs	E	E 13 x 7 x 4	N27	-	-	-	-	-	2000	2.39	29.6	12.4	12.2	367.0	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
B66379G0100X127 FERRITE CORE E N27 EPCOS - TDK Electronics	2,043	-	RFQ	Datasheet	-	Box	Not For New Designs	E	E 19 x 8 x 5	N27	-	-	-	-	-	2000	1.76	39.6	22.5	22.1	891.0	Uncoated	0.315" (8.00mm)	0.748" (19.00mm)	0.189" (4.80mm)
0J41407TC TOROID Magnetics, a division of Spang & Co.	1,424	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.500" (12.70mm)	2.715 µH	±20%	Ungapped	-	5000	-	30.0	12.8	-	378.0	Uncoated	0.188" (4.78mm)	-	-
0R41212EC EFD CORE Magnetics, a division of Spang & Co.	3,989	-	RFQ	Datasheet	-	Bulk	Active	EFD	-	R	-	760 nH	-	Ungapped	-	2300	-	28.5	11.4	10.7	325.0	Uncoated	0.244" (6.20mm)	0.492" (12.50mm)	0.138" (3.50mm)
E13/7/4-3C90-A100 FERRITE CORE E 3C90 Ferroxcube	2,675	-	RFQ	Datasheet	-	Bulk	Active	E	E 13 x 7 x 4	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
E13/7/4-3C90-A160 FERRITE CORE E 3C90 Ferroxcube	4,406	-	RFQ	Datasheet	-	Bulk	Active	E	E 13 x 7 x 4	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
E13/7/4-3C90-A200 FERRITE CORE E 3C90 Ferroxcube	1,009	-	RFQ	Datasheet	-	Bulk	Active	E	E 13 x 7 x 4	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
E13/7/4-3C90-A250 FERRITE CORE E 3C90 Ferroxcube	2,826	-	RFQ	Datasheet	-	Bulk	Active	E	E 13 x 7 x 4	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
E13/7/4-3C90-A315 FERRITE CORE E 3C90 Ferroxcube	2,103	-	RFQ	Datasheet	-	Bulk	Active	E	E 13 x 7 x 4	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
E13/7/4-3C94-G100 FERRITE CORE E 3C94 Ferroxcube	1,037	-	RFQ	Datasheet	-	Bulk	Active	E	E 13 x 7 x 4	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)

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.