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
RM6S/I-3C92-A315 Ferrite Misc Ferroxcube	3,440	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3C92	-	315 nH	-	Gapped	-	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.323" (8.20mm)
E22/6/16-3F3 Ferrite Misc Ferroxcube	2,766	-	RFQ	Datasheet	-	Bulk	Active	E	E 22 x 6 x 16	3F3	-	4.3 µH	±25%	Ungapped	1420.0	-	0.414	32.5	78.3	-	2550.0	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
0079056A7 KOOL MU MAX 040 PERM BLACK 050 S Magnetics, a division of Spang & Co.	2,513	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	0.500" (12.70mm)	18 nH	±8%	Ungapped	-	40	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0079055A7 KOOL MU MAX 075 PERM BLACK 050 S Magnetics, a division of Spang & Co.	3,269	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	0.500" (12.70mm)	34 nH	±8%	Ungapped	-	75	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0079052A7 KOOL MU MAX 026 PERM BLACK 050 S Magnetics, a division of Spang & Co.	3,805	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	0.500" (12.70mm)	12 nH	±8%	Ungapped	-	26	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0079051A7 KOOL MU MAX 060 PERM BLACK 050 S Magnetics, a division of Spang & Co.	4,217	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	0.500" (12.70mm)	27 nH	±8%	Ungapped	-	60	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
ER35/21/11-3C94-G1000 FERRITE CORE ER 3C94 Ferroxcube	4,672	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 35 x 21 x 11	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.815" (20.70mm)	1.378" (35.00mm)	0.449" (11.40mm)
ER35/21/11-3C94-G500 FERRITE CORE ER 3C94 Ferroxcube	1,709	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 35 x 21 x 11	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.815" (20.70mm)	1.378" (35.00mm)	0.449" (11.40mm)
5977001301 FERRITE CORE TOROID 77 Fair-Rite Products Corp.	1,531	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	77	1.000" (25.40mm)	-	±25%	Ungapped	-	2000	-	62.0	30.8	-	1900.0	Uncoated	0.250" (6.35mm)	-	-
ETD34/17/11-3C96-G1000 FERRITE CORE ETD 3C96 Ferroxcube	1,528	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 34 x 17 x 11	3C96	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.681" (17.30mm)	1.378" (35.00mm)	0.437" (11.10mm)
ETD34/17/11-3C96-G500 FERRITE CORE ETD 3C96 Ferroxcube	2,048	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 34 x 17 x 11	3C96	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.681" (17.30mm)	1.378" (35.00mm)	0.437" (11.10mm)
ETD34/17/11-3F36 FERRITE CORE ETD 3F36 Ferroxcube	4,655	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 34 x 17 x 11	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.681" (17.30mm)	1.378" (35.00mm)	0.437" (11.10mm)
ETD34/17/11-3F46 FERRITE CORE ETD 3F46 Ferroxcube	4,132	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 34 x 17 x 11	3F46	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.681" (17.30mm)	1.378" (35.00mm)	0.437" (11.10mm)
6698212021 FERRITE CORE PQ SET Fair-Rite Products Corp.	1,696	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	-	-	-	±25%	Ungapped	-	2400	72.0	45.2	62.5	60.8	2526.0	Uncoated	-	0.807" (20.50mm)	0.551" (14.00mm)
NL41510UG RM NH CORE Magnetics, a division of Spang & Co.	3,084	-	RFQ	Datasheet	-	Bulk	Active	RM	-	L	-	770 nH	±25%	Ungapped	-	900	-	23.2	24.8	18.1	574.0	Uncoated	0.205" (5.20mm)	0.575" (14.60mm)	0.268" (6.80mm)
E22/6/16-3C95-A160-E FERRITE CORE E 3C95 Ferroxcube	1,333	-	RFQ	Datasheet	-	Bulk	Active	E	E 22 x 6 x 16	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
E22/6/16-3C95-A160-P FERRITE CORE E 3C95 Ferroxcube	4,411	-	RFQ	Datasheet	-	Bulk	Active	E	E 22 x 6 x 16	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
E34/14/9-3F36-G500 FERRITE CORE E 3F36 Ferroxcube	1,059	-	RFQ	Datasheet	-	Bulk	Active	E	E 34 x 14 x 9	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.555" (14.10mm)	1.350" (34.30mm)	0.366" (9.30mm)
E25/13/11-3F3 Ferrite Misc Ferroxcube	3,061	-	RFQ	Datasheet	-	Bulk	Active	E	E 25 x 13 x 11	3F3	-	2.7 µH	±25%	Ungapped	1580.0	-	-	57.5	78.4	78.4	4500.0	Uncoated	0.504" (12.80mm)	0.984" (25.00mm)	0.433" (11.00mm)
PLT25/18/2-3F36 FERRITE CORE PLT 3F36 Ferroxcube	3,129	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 25 x 18 x 2	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	-	-	-

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.