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
B66305U0100K165 FERRITE CORE E T65 EPCOS - TDK Electronics	1,192	-	RFQ	Datasheet	E13/7/4	Box	Active	E	E 13 x 7 x 4	T65	-	-	-	Gapped	-	5200	2.39	29.6	12.4	12.2	367.0	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
B66305G0300X187 FERRITE CORE E 64NH N87 EPCOS - TDK Electronics	1,840	-	RFQ	Datasheet	-	Box	Not For New Designs	E	E 13 x 7 x 4	N87	-	64 nH	-	Gapped	122.0	2200	2.39	29.6	12.4	12.2	367.0	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
B64290P0732X038 FERRITE CORE TOROID 2.83UH T38 EPCOS - TDK Electronics	4,625	-	RFQ	Datasheet	TC3.94/1.78/1.78	Box	Active	Toroid	-	T38	0.156" (3.96mm)	2.83 µH	±30%	Ungapped	-	10000	4.44	8.1	1.82	-	14.8	Parylene	0.071" (1.80mm)	-	-
B64290L0644X065 FERRITE CORE TOROID 2.3UH T65 EPCOS - TDK Electronics	4,604	-	RFQ	Datasheet	TX13.3/8.3/5	Box	Active	Toroid	-	T65	0.567" (14.40mm)	2.3 µH	±30%	Ungapped	-	4900	2.67	32.7	12.27	-	401.0	Epoxy	0.234" (5.95mm)	-	-
0W41506TC TOROID Magnetics, a division of Spang & Co.	4,145	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.520" (13.20mm)	4.59 µH	±30%	Ungapped	-	10000	-	30.6	11.2	-	343.0	Uncoated	0.156" (3.96mm)	-	-
35T0500-00H FERRITE CORE TOROID 1.5UH 35 Laird-Signal Integrity Products	1,916	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	35	0.506" (12.85mm)	1.5 µH	±20%	Ungapped	-	5000	3.75	31.06	8.28	-	-	Epoxy	0.131" (3.33mm)	-	-
CL41434EC PE CS CORE Magnetics, a division of Spang & Co.	4,144	-	RFQ	Datasheet	-	Bulk	Active	Planar E/I	-	L	-	600 nH	±25%	Ungapped	-	900	-	20.1	12.8	11.4	304.0	Uncoated	0.138" (3.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
TC9.5/4.8/3.2-3E6 Ferrite Misc Ferroxcube	1,972	-	RFQ	Datasheet	-	Bulk	Active	Toroid	Toroid 9.5 x 4.8 x 3.2	3E6	0.375" (9.53mm)	-	±20%	Ungapped	-	-	2.98	20.7	6.95	-	144.0	Parylene	0.132" (3.35mm)	-	-
E16/8/5-3F3-G60 Ferrite Misc Ferroxcube	4,429	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E16/8/5-3F3-G100 Ferrite Misc Ferroxcube	3,231	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E20/10/6-3C92 FERRITE CORE E 3C92 Ferroxcube	1,869	-	RFQ	Datasheet	-	Bulk	Active	E	E 20 x 10 x 6	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.402" (10.20mm)	0.787" (20.00mm)	0.232" (5.90mm)
ZW41407TC TOROID GREY COATED Magnetics, a division of Spang & Co.	2,651	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.530" (13.45mm)	5.43 µH	±30%	Ungapped	-	10000	-	29.5	12.9	-	381.0	Epoxy	0.213" (5.40mm)	-	-
0F42515UC U-SHAPE CORE Magnetics, a division of Spang & Co.	2,649	-	RFQ	Datasheet	-	Bulk	Active	U	-	F	-	1.6 µH	±25%	Ungapped	-	3000	-	83.4	40.4	40.4	3370.0	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.250" (6.35mm)
0R42515EC E CORE Magnetics, a division of Spang & Co.	4,293	-	RFQ	Datasheet	-	Bulk	Active	E	-	R	-	1.153 µH	-	Ungapped	-	2300	-	73.5	40.1	39.7	2950.0	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.250" (6.35mm)
U15/11/6-3C94 FERRITE CORE U 3C94 Ferroxcube	4,519	-	RFQ	Datasheet	-	Bulk	Active	U	U 15 x 11 x 6	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.450" (11.45mm)	0.606" (15.40mm)	0.246" (6.25mm)
U15/11/6-3C90 Ferrite Misc Ferroxcube	4,715	-	RFQ	Datasheet	-	Bulk	Active	U	U 15 x 11 x 6	3C90	-	1.4 µH	±25%	Ungapped	1900.0	-	1.6	52.0	32.3	-	1680.0	Uncoated	0.450" (11.45mm)	0.606" (15.40mm)	0.246" (6.25mm)
FP41805IC I-CORE - FLAT BACK Magnetics, a division of Spang & Co.	1,017	-	RFQ	Datasheet	-	Bulk	Active	Planar E/I	-	P	-	3.837 µH	-	Ungapped	-	2500	-	20.3	40.1	39.9	813.0	Uncoated	0.094" (2.40mm)	0.709" (18.00mm)	0.394" (10.00mm)
FP41805EC E-CORE FLAT BACK Magnetics, a division of Spang & Co.	1,943	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	P	-	3.43 µH	-	Ungapped	-	2500	-	24.2	40.1	39.9	972.0	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
CP41805EC E-CORE WITH CLIP SLOTS Magnetics, a division of Spang & Co.	1,663	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	P	-	3.43 µH	-	Ungapped	-	2500	-	24.2	40.1	39.9	972.0	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
0W41605TC TOROID UNCOATED Magnetics, a division of Spang & Co.	1,485	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.626" (15.90mm)	5.52 µH	±30%	Ungapped	-	10000	-	37.2	15.6	-	580.0	Uncoated	0.185" (4.70mm)	-	-

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.