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
EC52/24/14-3C91 FERRITE CORE EC 3C91 Ferroxcube	4,093	-	RFQ	Datasheet	-	Bulk	Active	EC	EC 52 x 24 x 14	3C91	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.953" (24.20mm)	2.055" (52.20mm)	0.528" (13.40mm)
EC52/24/14-3C90 Ferrite Misc Ferroxcube	2,493	-	RFQ	Datasheet	-	Bulk	Active	EC	EC 52 x 24 x 14	3C90	-	4 µH	±25%	Ungapped	1860.0	-	-	105.0	108.0	141.0	18800.0	Uncoated	0.953" (24.20mm)	2.055" (52.20mm)	0.528" (13.40mm)
EQ38/8/25-3F36-A250 Ferrite Misc Ferroxcube	3,188	-	RFQ	Datasheet	EQ38/8/25	Bulk	Active	EQ	EQ 38 x 8 x 25	3F36	-	250 nH	±3%	Gapped	68.0	-	0.341	51.9	152.0	119.0	7900.0	Uncoated	0.315" (8.00mm)	1.500" (38.10mm)	1.000" (25.40mm)
E47/20/16-3C91 FERRITE CORE E 3C91 Ferroxcube	3,461	-	RFQ	Datasheet	-	Bulk	Active	E	E 47 x 20 x 16	3C91	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.772" (19.60mm)	1.846" (46.90mm)	0.614" (15.60mm)
ER18/3.2/10-3C95-A100-S FERRITE CORE ER 100NH 3C95 2PC Ferroxcube	2,743	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 18 x 3.2 x 10	3C95	-	100 nH	±3%	Gapped	58.0	-	0.73	22.1	30.2	30.1	667.0	Uncoated	0.382" (9.70mm)	0.709" (18.00mm)	0.124" (3.15mm)
ER18/3.2/10-3C94-A160-S Ferrite Misc Ferroxcube	2,330	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E47/20/16-3C90 Ferrite Misc Ferroxcube	2,423	-	RFQ	Datasheet	-	Bulk	Active	E	E 47 x 20 x 16	3C90	-	5.5 µH	±25%	Ungapped	1660.0	-	0.38	88.9	234.0	226.0	20800.0	Uncoated	0.772" (19.60mm)	1.846" (46.90mm)	0.614" (15.60mm)
B65803J0000R045 FERRITE CORE RM 1.7UH N45 2PCS EPCOS - TDK Electronics	4,123	-	RFQ	Datasheet	RM4	Box	Active	RM	RM 4	N45	-	1.7 µH	-20%, +30%	Ungapped	2290.0	3800	1.7	22.0	13.0	11.3	286.0	Uncoated	0.207" (5.25mm)	0.433" (11.00mm)	0.181" (4.60mm)
0R41408A160 GAPPED POT CORE Magnetics, a division of Spang & Co.	4,349	-	RFQ	Datasheet	-	Bulk	Active	P	-	R	0.563" (14.30mm)	160 nH	-	Ungapped	-	2300	-	19.8	25.1	-	495.0	Uncoated	0.331" (8.40mm)	-	-
0076352A7HT15 KOOL MU HF 026 PERM BLACK 350 SI Magnetics, a division of Spang & Co.	4,377	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0076351A7HT15 KOOL MU HF 060 PERM BLACK 350 SI Magnetics, a division of Spang & Co.	3,838	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	0.928" (23.57mm)	80 nH	±8%	Ungapped	-	60	-	58.5	62.2	-	3640.0	Uncoated	0.551" (14.00mm)	-	-
YW41303TC TOROID PARYLENE COATED Magnetics, a division of Spang & Co.	1,059	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.500" (12.70mm)	2.976 µH	±30%	Ungapped	-	10000	-	31.2	7.5	-	233.0	Parylene	0.139" (3.54mm)	-	-
0077548A7HT15 KOOL MU 125 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	4,780	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	167 nH	±8%	Ungapped	-	125	-	81.4	86.3	-	7020.0	Uncoated	0.551" (14.00mm)	-	-
0077071A7HT15 KOOL MU 060 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	3,723	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	80 nH	±8%	Ungapped	-	60	-	81.4	86.0	-	7000.0	Uncoated	0.551" (14.00mm)	-	-
0077550A7HT15 KOOL MU 026 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	3,275	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	36 nH	±8%	Ungapped	-	26	-	81.4	83.3	-	6780.0	Uncoated	0.551" (14.00mm)	-	-
0077552A7HT15 KOOL MU 090 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	4,210	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0077553A7HT15 KOOL MU 075 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	2,223	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	99 nH	±8%	Ungapped	-	75	-	81.4	83.3	-	6960.0	Uncoated	0.547" (13.90mm)	-	-
E42/21/20-3C95-G500 FERRITE CORE E 3C95 Ferroxcube	1,484	-	RFQ	Datasheet	-	Bulk	Active	E	E 42 x 21 x 20	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.787" (20.00mm)
B65541D0100A041 FERRITE CORE N41 EPCOS - TDK Electronics	3,755	-	RFQ	Datasheet	P14/8	Box	Active	-	P 14 x 8	N41	0.563" (14.30mm)	-	-	Gapped	-	2800	0.8	20.0	25.0	20.0	500.0	Uncoated	0.167" (4.25mm)	-	-
E38/8/25-3C95-A630-E FERRITE CORE E 3C95 Ferroxcube	1,321	-	RFQ	Datasheet	-	Bulk	Active	E	E 38 x 8 x 25	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.325" (8.26mm)	1.500" (38.10mm)	1.000" (25.40mm)

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.