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
0P44119EC EC CORE Magnetics, a division of Spang & Co.	1,795	-	RFQ	Datasheet	-	Bulk	Active	EC	-	P	-	3.2 µH	-	Ungapped	-	2500	-	89.3	121.0	106.0	10800.0	Uncoated	0.768" (19.50mm)	1.598" (40.60mm)	0.457" (11.60mm)
EFD30/15/9-3C94 Ferrite Misc Ferroxcube	1,244	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 30 x 15 x 9	3C94	-	2.1 µH	±25%	Ungapped	1720.0	-	0.98	68.0	69.0	66.0	4700.0	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)
B66311F0000X146 E20/10/6 T46 7500 +30% EPCOS - TDK Electronics	3,837	-	RFQ	Datasheet	B66311	Tray	Obsolete	E	E 20 x 10 x 6	T46	-	7.5 µH	±30%	Ungapped	8610.0	15000	1.44	46.3	32.1	31.9	1490.0	Uncoated	0.398" (10.10mm)	0.803" (20.40mm)	0.232" (5.90mm)
TX20/10/7-3C92 Ferrite Misc Ferroxcube	2,452	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 20 x 10 x 7	3C92	0.821" (20.85mm)	-	-	Ungapped	-	-	1.3	43.6	33.6	-	1465.0	Epoxy	0.309" (7.85mm)	-	-
B65926A0000X022 FERRITE CORE EPCOS - TDK Electronics	3,749	-	RFQ	Datasheet	PS14/5	Box	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E14/3.5/5-4F1 FERRITE CORE E Ferroxcube	2,391	-	RFQ	Datasheet	-	Bulk	Active	E	E 14 x 3.5 x 5	-	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.138" (3.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
EP10-3E5 Ferrite Misc Ferroxcube	3,706	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 10	3E5	-	4.8 µH	-30%, +40%	Ungapped	6500.0	-	1.7	19.3	11.3	8.55	215.0	Uncoated	0.201" (5.10mm)	0.453" (11.50mm)	0.300" (7.60mm)
EP10-3E6 Ferrite Misc Ferroxcube	2,358	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 10	3E6	-	6.9 µH	-30%, +40%	Ungapped	9340.0	-	1.7	19.3	11.3	8.55	215.0	Uncoated	0.201" (5.10mm)	0.453" (11.50mm)	0.300" (7.60mm)
B65523J0100J087 FERRITE CORE ER 100NH N87 EPCOS - TDK Electronics	3,671	-	RFQ	Datasheet	ER9.5	Box	Active	ER	ER 9.5 x 5	N87	-	100 nH	±5%	Gapped	-	2200	1.54	13.6	8.81	7.6	120.0	Uncoated	0.098" (2.50mm)	0.374" (9.50mm)	0.197" (5.00mm)
B65523J0125J087 FERRITE CORE ER N87 EPCOS - TDK Electronics	2,285	-	RFQ	Datasheet	ER9.5	Box	Active	ER	ER 9.5 x 5	N87	-	-	-	Gapped	-	2200	1.54	13.6	8.81	7.6	120.0	Uncoated	0.098" (2.50mm)	0.374" (9.50mm)	0.197" (5.00mm)
B65523J0160J087 FERRITE CORE ER N87 EPCOS - TDK Electronics	3,411	-	RFQ	Datasheet	ER9.5	Box	Active	ER	ER 9.5 x 5	N87	-	-	-	Gapped	-	2200	1.54	13.6	8.81	7.6	120.0	Uncoated	0.098" (2.50mm)	0.374" (9.50mm)	0.197" (5.00mm)
E18/4/10/R-3F3-A160-P Ferrite Misc Ferroxcube	1,201	-	RFQ	Datasheet	-	Bulk	Active	E	E 18 x 4 x 10	3F3	-	160 nH	±3%	Gapped	65.0	-	0.498	20.3	39.5	35.9	830.0	Uncoated	0.157" (4.00mm)	0.157" (4.00mm)	0.394" (10.00mm)
E18/4/10/R-3F3-A250-P Ferrite Misc Ferroxcube	2,772	-	RFQ	Datasheet	-	Bulk	Active	E	E 18 x 4 x 10	3F3	-	250 nH	±5%	Gapped	102.0	-	0.498	20.3	39.5	35.9	830.0	Uncoated	0.157" (4.00mm)	0.157" (4.00mm)	0.394" (10.00mm)
E18/4/10/R-3F3-A315-P Ferrite Misc Ferroxcube	1,258	-	RFQ	Datasheet	-	Bulk	Active	E	E 18 x 4 x 10	3F3	-	315 nH	±8%	Gapped	129.0	-	0.498	20.3	39.5	35.9	830.0	Uncoated	0.157" (4.00mm)	0.157" (4.00mm)	0.394" (10.00mm)
WBS2.5-5/10-3S4-Z Ferrite Misc Ferroxcube	4,972	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RM6S/I-3C90 Ferrite Misc Ferroxcube	4,090	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3C90	-	2.6 µH	±25%	Ungapped	1630.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.323" (8.20mm)
RM6S/I-3C91 Ferrite Misc Ferroxcube	4,531	-	RFQ	Datasheet	RM6S/I	Bulk	Active	RM	RM 6	3C91	-	3 µH	±25%	Ungapped	1880.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.323" (8.20mm)
RM6S/I-3C94 FERRITE CORE RM 3C94 2PC SET Ferroxcube	1,387	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3C94	-	-	±25%	Ungapped	1360.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.488" (12.40mm)	0.701" (17.90mm)	0.323" (8.20mm)
ER11/2.5/6-3C96-S FERRITE CORE ER 3C96 2PC SET Ferroxcube	4,344	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 11 x 2.5 x 6	3C96	-	-	±25%	Ungapped	-	-	1.23	14.7	11.9	10.3	174.0	Uncoated	0.236" (6.00mm)	0.433" (11.00mm)	0.096" (2.45mm)
ER11/2.5/6-3F4-S Ferrite Misc Ferroxcube	4,561	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 11 x 2.5 x 6	3F4	-	725 nH	±25%	Ungapped	710.0	-	1.23	14.7	11.9	10.3	174.0	Uncoated	0.096" (2.45mm)	0.433" (11.00mm)	0.236" (6.00mm)

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.