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
TUB12/4.5/12-4B1 Ferrite Misc Ferroxcube	3,532	-	RFQ	Datasheet	-	Bulk	Active	Tube	TUB 12 x 4.5 x 12	4B1	0.472" (12.00mm)	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	0.472" (12.00mm)	-
E36/21/12-3C90 Ferrite Misc Ferroxcube	3,200	-	RFQ	Datasheet	-	Bulk	Active	E	E 36 x 21 x 12	3C90	-	2.65 µH	±25%	Ungapped	1610.0	-	-	96.0	-	121.0	-	Uncoated	0.856" (21.75mm)	1.417" (36.00mm)	0.472" (12.00mm)
E36/21/12-3C94 FERRITE CORE E 3C94 Ferroxcube	4,405	-	RFQ	Datasheet	-	Bulk	Active	E	E 36 x 21 x 12	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.856" (21.75mm)	1.417" (36.00mm)	0.472" (12.00mm)
RM6S/I-3C95-A100 FERRITE CORE RM 100NH 3C95 2PC Ferroxcube	3,424	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3C95	-	100 nH	±3%	Gapped	63.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.488" (12.40mm)	0.701" (17.90mm)	0.323" (8.20mm)
RM6S/I-3C95-A160 FERRITE CORE RM 160NH 3C95 2PC Ferroxcube	2,905	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3C95	-	160 nH	±3%	Gapped	100.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.488" (12.40mm)	0.701" (17.90mm)	0.323" (8.20mm)
RM6S/I-3C95-A830 Ferrite Misc Ferroxcube	3,253	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3C95	-	830 nH	-	Gapped	-	-	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-3C95-A250 Ferrite Misc Ferroxcube	2,550	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3C95	-	250 nH	-	Gapped	-	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.323" (8.20mm)
B66281G0000X192 FERRITE CORE ELP N92 1PC EPCOS - TDK Electronics	1,992	-	RFQ	Datasheet	ELP14/3.5/5	Box	Active	ELP	ELP 14 x 3.5 x 5	N92	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.138" (3.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
9478112002 FERRITE CORE E 78 SET Fair-Rite Products Corp.	1,311	-	RFQ	Datasheet	-	Bulk	Active	E	-	78	-	-	±25%	Ungapped	-	2300	81.0	69.7	86.0	79.0	5990.0	Uncoated	0.565" (14.35mm)	-	0.374" (9.50mm)
B66283U0160J187 FERRITE CORE EPCOS - TDK Electronics	3,579	-	RFQ	Datasheet	ELP18/4/10	Box	Active	-	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-	-
B66283U0315K187 FERRITE CORE EPCOS - TDK Electronics	4,961	-	RFQ	Datasheet	ELP18/4/10	Box	Active	-	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-	-
B66283W0315D187 FERRITE CORE EPCOS - TDK Electronics	1,070	-	RFQ	Datasheet	ELP18/4/10	Box	Active	-	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-	-
ER14.5/3/7-3E6-S Ferrite Misc Ferroxcube	1,469	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 14.5 x 3 x 7	3E6	-	7.9 µH	-30%, +40%	Ungapped	6800.0	-	1.08	19.0	17.6	17.3	333.0	Uncoated	0.116" (2.95mm)	0.571" (14.50mm)	0.268" (6.80mm)
PTS14/8-3F3-A100 Ferrite Misc Ferroxcube	3,135	-	RFQ	Datasheet	-	Bulk	Active	P	PTS 14 x 8	3F3	0.553" (14.05mm)	100 nH	±3%	Gapped	81.0	-	1.02	22.5	22.0	19.9	495.0	Uncoated	0.163" (4.15mm)	-	-
B65525J0140A087 FERRITE CORE ER N87 EPCOS - TDK Electronics	2,269	-	RFQ	Datasheet	ER11/2.5/6	Box	Active	ER	ER 11 x 5	N87	-	-	-	Gapped	-	2200	1.1	14.1	12.4	10.3	174.0	Uncoated	0.098" (2.50mm)	0.433" (11.00mm)	0.236" (6.00mm)
0J41811UG POT CORE Magnetics, a division of Spang & Co.	4,940	-	RFQ	Datasheet	-	Bulk	Active	P	-	J	0.709" (18.00mm)	7.5 µH	-	Ungapped	-	5000	-	25.8	43.3	36.0	1120.0	Uncoated	0.209" (5.30mm)	-	-
SP42318UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	4,893	-	RFQ	Datasheet	-	Bulk	Active	PS	-	P	0.902" (22.90mm)	3.333 µH	-	Ungapped	-	2500	-	41.6	62.2	53.6	2590.0	Uncoated	0.354" (9.00mm)	-	-
0R41811UG POT CORE Magnetics, a division of Spang & Co.	4,648	-	RFQ	Datasheet	-	Bulk	Active	P	-	R	0.709" (18.00mm)	3.067 µH	-	Ungapped	-	2300	-	25.8	43.3	36.0	1120.0	Uncoated	0.209" (5.30mm)	-	-
ZM42206TC TOROID EPOXY COATED Magnetics, a division of Spang & Co.	3,559	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.908" (23.07mm)	8.494 µH	±30%	Ungapped	-	15000	-	54.1	25.7	-	1393.0	Epoxy	0.276" (7.00mm)	-	-
YP41206TC TOROID PARYLENE COATED Magnetics, a division of Spang & Co.	2,853	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.518" (13.16mm)	2.82 µH	±25%	Ungapped	-	2500	-	25.0	22.0	-	550.0	Parylene	0.264" (6.71mm)	-	-

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.