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
E13/7/4-3C94-G200 FERRITE CORE E 3C94 Ferroxcube	1,879	-	RFQ	Datasheet	-	Bulk	Active	E	E 13 x 7 x 4	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
0R41826EC ER CORE Magnetics, a division of Spang & Co.	1,284	-	RFQ	Datasheet	-	Bulk	Active	ER	-	R	-	2.623 µH	-	Ungapped	-	2300	-	22.1	30.2	30.1	667.0	Uncoated	0.124" (3.15mm)	0.709" (18.00mm)	0.382" (9.70mm)
E13/7/4-3C94-G40 Ferrite Misc Ferroxcube	3,784	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E13/7/4-3C90-G140 Ferrite Misc Ferroxcube	2,069	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ROD5/25-4B1-D FERRITE CORE ROD Ferroxcube	1,991	-	RFQ	Datasheet	-	Bulk	Active	ROD	ROD 5 x 25	-	0.197" (5.00mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	-	0.984" (25.00mm)	-
TC6.3/3.8/2.5-3F3 Ferrite Misc Ferroxcube	2,748	-	RFQ	Datasheet	-	Bulk	Active	Toroid	Toroid 6.3 x 3.8 x 2.5	3E6	0.248" (6.30mm)	500 nH	±25%	Ungapped	-	2000	4.97	15.2	3.06	-	46.5	Parylene	0.098" (2.50mm)	-	-
TC6.5/3.8/2.5-3F3 Ferrite Misc Ferroxcube	2,769	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0J41506TC TOROID UNCOATED Magnetics, a division of Spang & Co.	4,603	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.520" (13.20mm)	2.295 µH	±20%	Ungapped	-	5000	-	30.6	11.2	-	343.0	Uncoated	0.156" (3.96mm)	-	-
B64290P0035X830 FERRITE CORE TOROID 440NH N30 EPCOS - TDK Electronics	1,706	-	RFQ	Datasheet	TC2.5/1.5/1	Box	Active	Toroid	-	N30	0.099" (2.52mm)	440 nH	±25%	Ungapped	-	4300	12.3	6.02	0.49	-	3.0	Parylene	0.040" (1.02mm)	-	-
0J41303TC TOROID UNCOATED Magnetics, a division of Spang & Co.	1,721	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.500" (12.70mm)	1.488 µH	±20%	Ungapped	-	5000	-	31.7	7.1	-	226.0	Uncoated	0.125" (3.18mm)	-	-
0P41306TC TOROID UNCOATED Magnetics, a division of Spang & Co.	2,488	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.500" (12.70mm)	1.485 µH	±25%	Ungapped	-	2500	-	31.7	14.2	-	451.2	Uncoated	0.250" (6.35mm)	-	-
35T0301-00G FERRITE CORE TOROID 4.181UH 35 Laird-Signal Integrity Products	2,278	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	35	0.303" (7.70mm)	4.181 µH	±20%	Ungapped	-	5000	1.42	14.83	10.42	-	-	Epoxy	0.191" (4.85mm)	-	-
0J41305TC TOROID UNCOATED Magnetics, a division of Spang & Co.	2,928	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.500" (12.70mm)	2.38 µH	±20%	Ungapped	-	5000	-	31.7	11.4	-	361.0	Uncoated	0.200" (5.08mm)	-	-
E16/8/5-3C90 Ferrite Misc Ferroxcube	2,807	-	RFQ	Datasheet	-	Bulk	Active	E	E 16 x 8 x 5	3C90	-	1.1 µH	±25%	Ungapped	1640.0	-	1.87	37.6	20.1	19.3	750.0	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
B66307G0150X187 FERRITE CORE E N87 EPCOS - TDK Electronics	4,250	-	RFQ	Datasheet	-	Box	Not For New Designs	E	E 16 x 8 x 5	N87	-	-	-	-	-	2200	1.87	37.6	20.1	19.4	756.0	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
B66307G0350X187 FERRITE CORE E N87 EPCOS - TDK Electronics	3,828	-	RFQ	Datasheet	-	Box	Not For New Designs	E	E 16 x 8 x 5	N87	-	-	-	-	-	2200	1.87	37.6	20.1	19.4	756.0	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
B64290A0044X027 FERRITE CORE TOROID EPCOS - TDK Electronics	1,393	-	RFQ	Datasheet	T12.5/7.5/5	Box	Active	Toroid	-	-	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
28T0301-00P FERRITE CORE TOROID 711NH 28 Laird-Signal Integrity Products	2,483	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	28	0.301" (7.65mm)	711 nH	±20%	Ungapped	-	850	1.48	14.93	10.12	-	-	Parylene	0.189" (4.80mm)	-	-
E13/7/4-3C96 FERRITE CORE E 3C96 Ferroxcube	3,234	-	RFQ	Datasheet	-	Bulk	Active	E	E 13 x 7 x 4	3C96	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
E13/7/4-3E27 Ferrite Misc Ferroxcube	3,721	-	RFQ	Datasheet	-	Bulk	Active	E	E 13 x 7 x 4	3E27	-	1.5 µH	±25%	Ungapped	-	-	2.39	29.7	12.4	12.2	369.0	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)

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.