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
B66358G0100X127 FERRITE CORE ETD N27 1PC EPCOS - TDK Electronics	4,593	-	RFQ	Datasheet	ETD29/16/10	Box	Active	ETD	ETD 29 x 16 x 10	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.630" (16.00mm)	1.205" (30.60mm)	0.386" (9.80mm)
B66358G1000X127 FERRITE CORE ETD N27 1PC EPCOS - TDK Electronics	2,591	-	RFQ	Datasheet	ETD29/16/10	Box	Active	ETD	ETD 29 x 16 x 10	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.630" (16.00mm)	1.205" (30.60mm)	0.386" (9.80mm)
ETD39/20/13-3C95-G1000 FERRITE CORE ETD 3C95 Ferroxcube	2,175	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 39 x 20 x 13	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.780" (19.80mm)	1.575" (40.00mm)	0.504" (12.80mm)
ETD39/20/13-3C95-G500 FERRITE CORE ETD 3C95 Ferroxcube	2,104	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 39 x 20 x 13	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.780" (19.80mm)	1.575" (40.00mm)	0.504" (12.80mm)
EQ25-3C96-A250 Ferrite Misc Ferroxcube	2,995	-	RFQ	Datasheet	-	Bulk	Active	EQ	EQ 25	3C96	-	250 nH	±3%	Gapped	82.0	-	0.414	41.4	100.0	95.0	4145.0	Uncoated	0.315" (8.00mm)	0.984" (25.00mm)	0.709" (18.00mm)
EQ25-3C96-G150 Ferrite Misc Ferroxcube	3,664	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
EFD15/8/5-3C95-A475-S Ferrite Misc Ferroxcube	4,336	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RM7/I-3C94 Ferrite Misc Ferroxcube	1,686	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 7	3C94	-	-	-	Ungapped	-	-	0.68	30.0	44.1	39.6	1325.0	Uncoated	0.264" (6.71mm)	0.799" (20.30mm)	-
B65841A0250E038 FERRITE CORE EP 250NH T38 2PCS EPCOS - TDK Electronics	2,422	-	RFQ	Datasheet	EP10	Box	Active	EP	EP 10	T38	-	250 nH	±7%	Gapped	338.0	2300	1.7	19.2	11.3	8.5	217.0	Uncoated	0.205" (5.20mm)	0.465" (11.80mm)	0.309" (7.85mm)
B65841A0063A038 FERRITE CORE EP 63NH T38 2PCS EPCOS - TDK Electronics	2,055	-	RFQ	Datasheet	EP10	Box	Active	EP	EP 10	T38	-	63 nH	±3%	Gapped	85.0	2300	1.7	19.2	11.3	8.5	217.0	Uncoated	0.205" (5.20mm)	0.465" (11.80mm)	0.309" (7.85mm)
PLT30/20/3-3F36 FERRITE CORE PLT 3F36 Ferroxcube	2,008	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 30 x 20 x 3	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	-	-	-
PLT30/20/3-3F46 FERRITE CORE PLT 3F46 Ferroxcube	2,878	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 30 x 20 x 3	3F46	-	-	-	-	-	-	-	-	-	-	-	Uncoated	-	-	-
EFD12/6/3.5-3C90-A100-S FERRITE CORE EFD 3C90 2PC SET Ferroxcube	3,364	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 12 x 6 x 3.5	3C90	-	-	±10%	Gapped	200.0	-	2.5	28.5	11.4	10.7	325.0	Uncoated	0.244" (6.20mm)	0.492" (12.50mm)	0.138" (3.50mm)
EFD12/6/3.5-3C90-A40-S FERRITE CORE EFD 3C90 2PC SET Ferroxcube	3,188	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 12 x 6 x 3.5	3C90	-	-	±5%	Gapped	80.0	-	2.5	28.5	11.4	10.7	325.0	Uncoated	0.244" (6.20mm)	0.492" (12.50mm)	0.138" (3.50mm)
EFD12/6/3.5-3C90-A63-S FERRITE CORE EFD 3C90 2PC SET Ferroxcube	4,849	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 12 x 6 x 3.5	3C90	-	-	±8%	Gapped	290.0	-	2.5	28.5	11.4	10.7	325.0	Uncoated	0.244" (6.20mm)	0.492" (12.50mm)	0.138" (3.50mm)
EP5-3F36 FERRITE CORE EP 3F36 2PC SET Ferroxcube	1,683	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 5	3F36	-	-	±25%	Ungapped	-	-	3.2	9.7	3.0	2.27	28.7	Uncoated	0.220" (5.60mm)	0.236" (6.00mm)	0.150" (3.81mm)
B64290L0632X037 FERRITE CORE TOROID 6.28UH T37 EPCOS - TDK Electronics	4,866	-	RFQ	Datasheet	TX20/10/7	Box	Active	Toroid	-	T37	0.835" (21.20mm)	6.28 µH	±25%	Ungapped	-	6500	1.3	43.55	33.63	-	1465.0	Epoxy	0.319" (8.10mm)	-	-
EFD12/6/3.5-3C94-A40-S Ferrite Misc Ferroxcube	2,282	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 12 x 6 x 3.5	3C94	-	40 nH	±5%	Gapped	80.0	-	2.5	28.5	11.4	10.7	325.0	Uncoated	0.244" (6.20mm)	0.492" (12.50mm)	0.138" (3.50mm)
EFD12/6/3.5-3C94-A125-S Ferrite Misc Ferroxcube	3,814	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ER14.5/3/7-3C96-A100-S FERRITE CORE ER 100NH 3C96 2PC Ferroxcube	3,224	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 14.5 x 3 x 7	3C96	-	100 nH	±3%	Gapped	86.0	-	1.08	19.0	17.6	17.3	333.0	Uncoated	0.268" (6.80mm)	0.571" (14.50mm)	0.116" (2.95mm)

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.