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
0075586A7 75 SERIES 060 PERM BLACK 585 SIZ Magnetics, a division of Spang & Co.	4,208	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.350" (34.29mm)	38 nH	±8%	Ungapped	-	60	-	89.5	46.4	-	4150.0	Uncoated	0.350" (8.90mm)	-	-
0075587A7 75 SERIES 026 PERM BLACK 585 SIZ Magnetics, a division of Spang & Co.	3,730	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.350" (34.29mm)	16 nH	±8%	Ungapped	-	26	-	89.5	46.4	-	4150.0	Uncoated	0.350" (8.90mm)	-	-
0075591A7 75 SERIES 040 PERM BLACK 585 SIZ Magnetics, a division of Spang & Co.	1,026	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.350" (34.29mm)	25 nH	±8%	Ungapped	-	40	-	89.5	46.4	-	4150.0	Uncoated	0.350" (8.90mm)	-	-
EC52/24/14-3C91-G200 Ferrite Misc Ferroxcube	4,939	-	RFQ	Datasheet	-	Bulk	Active	EC	EC 52 x 24 x 14	3C91	-	5.3 µH	±25%	Gapped	450.0	-	-	105.0	180.0	141.0	18800.0	Uncoated	0.953" (24.20mm)	2.055" (52.20mm)	0.528" (13.40mm)
B66455W0315K197 FERRITE CORE EPCOS - TDK Electronics	4,620	-	RFQ	Datasheet	ELP22/6/16	Box	Active	-	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-	-
B66455W0400K197 FERRITE CORE EPCOS - TDK Electronics	3,280	-	RFQ	Datasheet	ELP22/6/16	Box	Active	-	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-	-
ER23/3.6/13-3C97-A250-S FERRITE CORE ER 250NH 3C97 Ferroxcube	1,544	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 23 x 3.6 x 13	3C97	-	250 nH	±5%	Gapped	105.0	-	0.53	26.6	50.2	50.0	1340.0	Uncoated	0.142" (3.60mm)	0.913" (23.20mm)	0.492" (12.50mm)
ER23/3.6/13-3C97-A400-S FERRITE CORE ER 400NH 3C97 Ferroxcube	4,880	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 23 x 3.6 x 13	3C97	-	400 nH	±7%	Gapped	170.0	-	0.53	26.6	50.2	50.0	1340.0	Uncoated	0.142" (3.60mm)	0.913" (23.20mm)	0.492" (12.50mm)
ER23/3.6/13-3F36-A315-S FERRITE CORE ER 2.5UH 3F36 Ferroxcube	2,770	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 23 x 3.6 x 13	3F36	-	2.5 µH	±6%	Gapped	133.0	-	0.53	26.6	50.2	50.0	1340.0	Uncoated	0.142" (3.60mm)	0.913" (23.20mm)	0.492" (12.50mm)
ER23/3.6/13-3F36-A400-S FERRITE CORE ER 400NH 3F36 Ferroxcube	2,209	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 23 x 3.6 x 13	3F36	-	400 nH	±7%	Gapped	170.0	-	0.53	26.6	50.2	50.0	1340.0	Uncoated	0.142" (3.60mm)	0.913" (23.20mm)	0.492" (12.50mm)
ER23/3.6/13-3F46-A250-S FERRITE CORE ER 250NH 3F46 Ferroxcube	1,736	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 23 x 3.6 x 13	3F46	-	250 nH	±5%	Gapped	105.0	-	0.53	26.6	50.2	50.0	1340.0	Uncoated	0.142" (3.60mm)	0.913" (23.20mm)	0.492" (12.50mm)
ER23/3.6/13-3F36-A250-S Ferrite Misc Ferroxcube	1,051	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
TX29/19/15-3E26 Ferrite Misc Ferroxcube	3,049	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 29 x 19 x 15	3E26	1.152" (29.25mm)	-	-	Ungapped	-	-	0.98	73.2	73.9	-	5410.0	Epoxy	0.608" (15.45mm)	-	-
TX29/19/15-3E5 Ferrite Misc Ferroxcube	3,094	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 29 x 19 x 15	3E5	1.152" (29.25mm)	10.78 µH	±30%	Ungapped	-	-	0.98	73.2	73.9	-	5410.0	Epoxy	0.608" (15.45mm)	-	-
E42/21/15-3C95-G500 FERRITE CORE E 3C95 Ferroxcube	1,323	-	RFQ	Datasheet	-	Bulk	Active	E	E 42 x 21 x 15	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.598" (15.20mm)
ER48/18/18-3C94-G2800 Ferrite Misc Ferroxcube	4,333	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ER48/18/18-3C94-G2300 Ferrite Misc Ferroxcube	4,697	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ER48/18/18-3C94-G2000 Ferrite Misc Ferroxcube	1,487	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
TX36/23/10-3C91 Ferrite Misc Ferroxcube	4,344	-	RFQ	Datasheet	TX36/23/10	Bulk	Active	Toroid	TX 36 x 23 x 10	3C91	1.427" (36.25mm)	112 nH	±25%	Gapped	-	125	1.38	89.7	64.9	-	5820.0	Epoxy	0.410" (10.42mm)	-	-
ER32/6/25-3C95 FERRITE CORE ER 3C95 Ferroxcube	4,258	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 32 x 6 x 25	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.236" (6.00mm)	1.264" (32.10mm)	1.000" (25.40mm)

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.