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
0J42510EC E-SHAPE CORE Magnetics, a division of Spang & Co.	2,403	-	RFQ	Datasheet	-	Bulk	Active	E	-	J	-	3.7 µH	-	Ungapped	-	5000	-	49.0	39.5	37.0	1930.0	Uncoated	0.380" (9.65mm)	1.000" (25.40mm)	0.250" (6.35mm)
0W41407TC TOROID UNCOATED Magnetics, a division of Spang & Co.	1,590	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.500" (12.70mm)	5.43 µH	±30%	Ungapped	-	10000	-	29.5	12.9	-	381.0	Uncoated	0.188" (4.78mm)	-	-
0F43007EC E-SHAPE CORE Magnetics, a division of Spang & Co.	3,740	-	RFQ	Datasheet	-	Bulk	Active	E	-	F	-	2.7 µH	±25%	Ungapped	-	3000	-	67.0	60.0	49.0	4000.0	Uncoated	0.591" (15.00mm)	1.213" (30.80mm)	0.287" (7.30mm)
E20/10/5-3C92 FERRITE CORE E 3C92 Ferroxcube	4,929	-	RFQ	Datasheet	-	Bulk	Active	E	E 20 x 10 x 5	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.815" (20.70mm)	0.209" (5.30mm)
B64290P0723X046 FERRITE CORE TOROID 3.89UH T46 EPCOS - TDK Electronics	4,428	-	RFQ	Datasheet	TC3.94/2.24/2.3	Box	Obsolete	Toroid	-	T46	0.156" (3.96mm)	3.89 µH	±30%	Ungapped	-	15000	4.85	9.21	1.9	-	17.5	Parylene	0.091" (2.30mm)	-	-
E20/10/6-3F36 FERRITE CORE E 3F36 Ferroxcube	2,351	-	RFQ	Datasheet	-	Bulk	Active	E	E 20 x 10 x 6	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.402" (10.20mm)	0.787" (20.00mm)	0.232" (5.90mm)
B64290P0767X038 FERRITE CORE TOROID T38 EPCOS - TDK Electronics	1,472	-	RFQ	Datasheet	TC6.3/3.8/3.18	Box	Active	Toroid	-	T38	-	-	-	Gapped	-	10000	-	-	-	-	-	Parylene	-	-	-
0F42515EC E-SHAPE CORE Magnetics, a division of Spang & Co.	3,306	-	RFQ	Datasheet	-	Bulk	Active	E	-	F	-	1.5 µH	±25%	Ungapped	-	3000	-	73.5	40.1	39.7	2950.0	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.250" (6.35mm)
B66305F0000X146 FERRITE CORE E T46 1PC EPCOS - TDK Electronics	3,117	-	RFQ	Datasheet	E13/7/4	Box	Obsolete	E	E 13 x 7 x 4	T46	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
B64290A0037X830 FERRITE CORE TOROID 1.09UH N30 EPCOS - TDK Electronics	4,669	-	RFQ	Datasheet	T6.3/3.8/2.5	Box	Active	Toroid	R 6.3 x 3.8 x 2.5	N30	0.248" (6.30mm)	1.09 µH	±25%	Ungapped	-	4300	4.97	15.21	3.06	-	46.5	Uncoated	0.098" (2.50mm)	-	-
E19/8/9-3C94-G100 FERRITE CORE E 3C94 Ferroxcube	4,991	-	RFQ	Datasheet	-	Bulk	Active	E	E 19 x 8 x 9	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.317" (8.05mm)	0.750" (19.05mm)	0.343" (8.70mm)
E19/8/9-3C94-G200 FERRITE CORE E 3C94 Ferroxcube	1,950	-	RFQ	Datasheet	-	Bulk	Active	E	E 19 x 8 x 9	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.317" (8.05mm)	0.750" (19.05mm)	0.343" (8.70mm)
E20/10/5-3C96 FERRITE CORE E 3C96 Ferroxcube	1,778	-	RFQ	Datasheet	-	Bulk	Active	E	E 20 x 10 x 5	3C96	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.815" (20.70mm)	0.209" (5.30mm)
E20/10/5-3C11 Ferrite Misc Ferroxcube	2,041	-	RFQ	Datasheet	-	Bulk	Active	E	E 20 x 10 x 5	3C11	-	2.6 µH	±25%	Ungapped	-	-	1.37	-	31.2	25.2	1340.0	Uncoated	0.394" (10.00mm)	0.815" (20.70mm)	0.209" (5.30mm)
B64290A0036X001 FERRITE CORE TOROID K1 EPCOS - TDK Electronics	3,873	-	RFQ	Datasheet	T4/2.4/1.6	Box	Active	Toroid	R 4 x 2.4 x 1.6	K1	0.157" (4.00mm)	-	±25%	Ungapped	-	-	-	-	-	-	-	Uncoated	0.063" (1.60mm)	-	-
E25/10/6-3C92 FERRITE CORE E 3C92 Ferroxcube	4,240	-	RFQ	Datasheet	-	Bulk	Active	E	E 25 x 10 x 6	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.380" (9.65mm)	1.000" (25.40mm)	0.250" (6.35mm)
B66219G0000X141 FERRITE CORE E 1.05UH N41 EPCOS - TDK Electronics	4,583	-	RFQ	Datasheet	E14/8/4	Box	Active	E	-	N41	-	1.05 µH	-20%, +30%	Ungapped	1830.0	2800	2.19	33.9	15.5	13.1	525.0	Uncoated	0.307" (7.80mm)	0.563" (14.30mm)	-
YM41003TC TOROID PARYLENE COATED Magnetics, a division of Spang & Co.	1,195	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.393" (9.99mm)	6.644 µH	±30%	Ungapped	-	15000	-	20.7	7.3	-	151.0	Parylene	0.138" (3.50mm)	-	-
33T0500-100 FERRITE CORE TOROID 1.619UH 33 Laird-Signal Integrity Products	3,228	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	33	0.500" (12.70mm)	1.619 µH	±20%	Ungapped	-	2700	2.1	31.22	14.9	-	-	Uncoated	0.250" (6.35mm)	-	-
0P42523EC EFD CORE Magnetics, a division of Spang & Co.	3,554	-	RFQ	Datasheet	-	Bulk	Active	EFD	-	P	-	2.28 µH	-	Ungapped	-	2500	-	57.0	58.0	55.0	3300.0	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)

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.