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
ETD44/22/15-3F36-G1000 FERRITE CORE ETD 3F36 Ferroxcube	2,472	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
ETD44/22/15-3F36-G500 FERRITE CORE ETD 3F36 Ferroxcube	4,052	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
B66481P0000X192 FERRITE CORE I N92 1PC EPCOS - TDK Electronics	3,845	-	RFQ	Datasheet	I25/2/18	Box	Active	I	I 25 x 2	N92	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.091" (2.30mm)	0.984" (25.00mm)	0.709" (18.00mm)
B64290A0631X087 FERRITE CORE TOROID EPCOS - TDK Electronics	2,068	-	RFQ	Datasheet	T20/10/10	Box	Active	Toroid	-	-	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
B65803J0160A087 FERRITE CORE RM N87 EPCOS - TDK Electronics	1,808	-	RFQ	Datasheet	-	Box	Not For New Designs	RM	RM 4	N87	-	-	-	-	-	2200	1.7	22.0	13.0	11.3	286.0	Uncoated	0.413" (10.50mm)	0.433" (11.00mm)	0.181" (4.60mm)
B65803J0040A087 FERRITE CORE RM N87 EPCOS - TDK Electronics	1,838	-	RFQ	Datasheet	-	Box	Not For New Designs	RM	RM 4	N87	-	-	-	-	-	2200	1.7	22.0	13.0	11.3	286.0	Uncoated	0.413" (10.50mm)	0.433" (11.00mm)	0.181" (4.60mm)
B65807J0160A041 FERRITE CORE RM N41 EPCOS - TDK Electronics	2,763	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	N41	-	-	-	Gapped	-	2800	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0315J041 FERRITE CORE RM N41 EPCOS - TDK Electronics	3,302	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	N41	-	-	-	Gapped	-	2800	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0630J041 FERRITE CORE RM N41 EPCOS - TDK Electronics	3,222	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	N41	-	-	-	Gapped	-	2800	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
E42/21/20-3C91 FERRITE CORE E 3C91 Ferroxcube	1,203	-	RFQ	Datasheet	-	Bulk	Active	E	E 42 x 21 x 20	3C91	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.787" (20.00mm)
PLT38/25/2.7-3F36 FERRITE CORE PLT 3F36 Ferroxcube	3,350	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 38 x 25 x 2.7	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	-	-	-
E42/21/20-3C90 Ferrite Misc Ferroxcube	4,143	-	RFQ	Datasheet	-	Bulk	Active	E	E 42 x 21 x 20	3C90	-	5 µH	±25%	Ungapped	1660.0	-	-	97.0	233.0	233.0	22700.0	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.787" (20.00mm)
P11/7-3C90 FERRITE CORE P 1.7UH 3C90 2PC Ferroxcube	1,664	-	RFQ	Datasheet	-	Bulk	Active	P	P 11 x 7	3C90	0.437" (11.10mm)	1.7 µH	±25%	Ungapped	1300.0	-	0.956	15.5	16.2	13.2	251.0	Uncoated	0.256" (6.50mm)	-	-
RM7/I-3F36-A160 FERRITE CORE RM 160NH 3F36 2PC Ferroxcube	2,894	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 7	3F36	-	160 nH	±3%	Gapped	87.0	-	0.68	30.0	44.1	39.6	1325.0	Uncoated	0.528" (13.40mm)	0.799" (20.30mm)	0.677" (17.20mm)
RM7/I-3F36-A250 FERRITE CORE RM 250NH 3F36 2PC Ferroxcube	4,476	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 7	3F36	-	250 nH	±3%	Gapped	135.0	-	0.68	30.0	44.1	39.6	1325.0	Uncoated	0.528" (13.40mm)	0.799" (20.30mm)	0.677" (17.20mm)
RM7/I-3F46-A160 FERRITE CORE RM 160NH 3F46 2PC Ferroxcube	4,697	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 7	3F46	-	160 nH	±3%	Gapped	87.0	-	0.68	30.0	44.1	39.6	1325.0	Uncoated	0.528" (13.40mm)	0.799" (20.30mm)	0.677" (17.20mm)
RM7/I-3F46-A250 FERRITE CORE RM 250NH 3F46 2PC Ferroxcube	1,061	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 7	3F46	-	250 nH	±3%	Gapped	135.0	-	0.68	30.0	44.1	39.6	1325.0	Uncoated	0.528" (13.40mm)	0.799" (20.30mm)	0.677" (17.20mm)
9598394002 FERRITE CORE ETD SET Fair-Rite Products Corp.	2,213	-	RFQ	Datasheet	-	Bulk	Active	ETD	-	-	-	-	±25%	Ungapped	-	2400	72.0	92.4	128.0	126.7	11850.0	Uncoated	-	-	0.500" (12.70mm)
B65517W0000R045 FERRITE CORE N45 EPCOS - TDK Electronics	2,882	-	RFQ	Datasheet	P9/5	Box	Active	-	P 9 x 5	N45	0.366" (9.30mm)	-	-	-	-	3800	1.13	13.4	11.9	9.3	159.0	Uncoated	0.106" (2.70mm)	-	-
B65541D0250A048 FERRITE CORE P 250NH N48 2PCS EPCOS - TDK Electronics	2,771	-	RFQ	Datasheet	P14/8	Box	Active	P (Pot Core)	P 14 x 8	N48	0.563" (14.30mm)	250 nH	±3%	Gapped	159.0	-	0.8	20.0	25.0	20.0	500.0	Uncoated	0.167" (4.25mm)	-	-

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.