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
0F45224EC EC CORE Magnetics, a division of Spang & Co.	3,763	-	RFQ	Datasheet	-	Bulk	Active	EC	-	F	-	5.04 µH	±25%	Ungapped	-	3000	-	105.0	180.0	141.0	18800.0	Uncoated	0.953" (24.20mm)	2.055" (52.20mm)	0.528" (13.40mm)
RM4/I-3E27 Ferrite Misc Ferroxcube	3,552	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3E27	-	-	-	Ungapped	-	-	1.69	23.3	13.8	11.5	322.0	Uncoated	0.205" (5.20mm)	0.433" (11.00mm)	0.181" (4.60mm)
B66381G0000X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	1,471	-	RFQ	Datasheet	E40/16/12	Box	Active	E	E 40 x 16 x 12	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.650" (16.50mm)	1.598" (40.60mm)	0.492" (12.50mm)
B65843A0000R097 FERRITE CORE EP N97 EPCOS - TDK Electronics	3,699	-	RFQ	Datasheet	EP13	Box	Active	EP	EP 13	N97	-	-	-	-	-	2300	1.24	24.2	19.5	14.9	472.0	Uncoated	0.256" (6.50mm)	0.504" (12.80mm)	0.354" (9.00mm)
RM8/ILP-3C96-A125 Ferrite Misc Ferroxcube	1,083	-	RFQ	Datasheet	RM8/ILP	Bulk	Active	RM	RM 8	3C96	-	125 nH	-	Gapped	1330.0	-	0.44	28.7	64.9	55.4	1860.0	Uncoated	0.228" (5.80mm)	0.913" (23.20mm)	0.433" (11.00mm)
RM8/ILP-3C96-A200 Ferrite Misc Ferroxcube	1,318	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 8	3C96	-	200 nH	-	Gapped	-	-	0.44	28.7	64.9	55.4	1860.0	Uncoated	0.228" (5.80mm)	0.913" (23.20mm)	0.433" (11.00mm)
RM8/ILP-3C96-A400 Ferrite Misc Ferroxcube	2,343	-	RFQ	Datasheet	RM8/ILP	Bulk	Active	RM	RM 8	3C96	-	400 nH	-	Gapped	-	-	0.44	28.7	64.9	55.4	1860.0	Uncoated	0.228" (5.80mm)	0.913" (23.20mm)	0.433" (11.00mm)
RM8/ILP-3C96-A315 Ferrite Misc Ferroxcube	2,759	-	RFQ	Datasheet	RM8/ILP	Bulk	Active	RM	RM 8	3C96	-	315 nH	-	Gapped	-	-	0.44	28.7	64.9	55.4	1860.0	Uncoated	0.228" (5.80mm)	0.913" (23.20mm)	0.433" (11.00mm)
RM5-3H3 Ferrite Misc Ferroxcube	1,769	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 5	3H3	-	1.65 µH	±25%	Ungapped	1310.0	-	1.01	21.4	21.2	14.8	450.0	Uncoated	0.205" (5.20mm)	0.587" (14.90mm)	0.268" (6.80mm)
E32/6/20-3C95 FERRITE CORE E 3C95 Ferroxcube	3,569	-	RFQ	Datasheet	-	Bulk	Active	E	E 32 x 6 x 20	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.800" (20.32mm)
RM5-3D3 Ferrite Misc Ferroxcube	3,540	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 5	3D3	-	800 nH	±25%	Ungapped	640.0	-	1.01	21.4	21.2	14.8	450.0	Uncoated	0.205" (5.20mm)	0.587" (14.90mm)	0.268" (6.80mm)
6295280121 FERRITE CORE RM 95 SET Fair-Rite Products Corp.	1,990	-	RFQ	Datasheet	-	Bulk	Active	RM	-	95	-	-	±25%	Ungapped	-	3000	53.0	47.9	89.8	88.4	4306.0	Uncoated	0.366" (9.30mm)	-	-
P14/8/I-3F3 Ferrite Misc Ferroxcube	2,331	-	RFQ	Datasheet	-	Bulk	Active	P	P 14 x 8	3F3	0.553" (14.05mm)	2.4 µH	±25%	Ungapped	1340.0	-	0.7	21.0	29.9	23.6	628.0	Uncoated	0.165" (4.20mm)	-	-
RM7/I-3E5 Ferrite Misc Ferroxcube	4,687	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 7	3E5	-	10 µH	-30%, +40%	Ungapped	5370.0	-	0.68	30.0	44.1	39.6	1325.0	Uncoated	0.264" (6.71mm)	0.799" (20.30mm)	-
TX29/19/7.5-3E12 Ferrite Misc Ferroxcube	3,441	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 29 x 19 x 7.5	3E12	1.152" (29.25mm)	-	-	Ungapped	-	-	1.98	73.2	36.9	-	2700.0	Epoxy	0.311" (7.90mm)	-	-
B64290A0618X035 FERRITE CORE TOROID 5.4UH T35 EPCOS - TDK Electronics	2,144	-	RFQ	Datasheet	T25.3/14.8/15	Box	Active	Toroid	R 25.3 x 14.8 x 10	T35	0.996" (25.30mm)	5.4 µH	±25%	Ungapped	-	5000	1.17	60.07	51.26	-	3079.0	Uncoated	0.394" (10.00mm)	-	-
B65843P0000R045 FERRITE CORE EP N45 EPCOS - TDK Electronics	3,399	-	RFQ	Datasheet	EP13/LP	Box	Active	EP	-	N45	-	-	-	-	-	3800	1.24	24.2	19.5	14.9	472.0	Uncoated	0.256" (6.50mm)	0.504" (12.80mm)	0.354" (9.00mm)
RM4/I-3C90-A40 FERRITE CORE RM 40NH 3C90 2PC Ferroxcube	1,563	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3C90	-	40 nH	±3%	Gapped	54.0	-	1.69	23.3	13.8	11.5	322.0	Uncoated	0.421" (10.40mm)	0.433" (11.00mm)	0.386" (9.80mm)
RM4/I-3C94-A100 FERRITE CORE RM 100NH 3C94 2PC Ferroxcube	4,618	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3C94	-	100 nH	±3%	Gapped	134.0	-	1.69	23.3	13.8	11.5	322.0	Uncoated	0.421" (10.40mm)	0.433" (11.00mm)	0.386" (9.80mm)
RM4/I-3C94-A63 FERRITE CORE RM 63NH 3C94 2PC Ferroxcube	1,402	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3C94	-	63 nH	±3%	Gapped	85.0	-	1.69	23.3	13.8	11.5	322.0	Uncoated	0.421" (10.40mm)	0.433" (11.00mm)	0.386" (9.80mm)

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.