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
ROD6/25-3C90 FERRITE CORE ROD 3C90 Ferroxcube	2,384	-	RFQ	Datasheet	-	Bulk	Active	ROD	ROD 6 x 25	3C90	0.236" (6.00mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	-	0.984" (25.00mm)	-
B64290A0044X049 R12.5/7.5/5 N49 RINGKERN EPCOS - TDK Electronics	4,183	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
U10/8/3-3C94 FERRITE CORE U 3C94 Ferroxcube	4,765	-	RFQ	Datasheet	-	Bulk	Active	U	U 10 x 8 x 3	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.323" (8.20mm)	0.390" (9.90mm)	0.112" (2.85mm)
U10/8/3-3C90 Ferrite Misc Ferroxcube	2,278	-	RFQ	Datasheet	-	Bulk	Active	U	U 10 x 8 x 3	3C90	-	420 nH	±25%	Ungapped	1590.0	-	4.74	38.3	8.07	-	309.0	Uncoated	0.323" (8.20mm)	0.390" (9.90mm)	0.112" (2.85mm)
E19/8/5-3C90 Ferrite Misc Ferroxcube	4,092	-	RFQ	Datasheet	-	Bulk	Active	E	E 19 x 8 x 5	3C90	-	1.17 µH	±25%	Ungapped	1650.0	-	1.77	39.9	22.6	22.1	900.0	Uncoated	0.319" (8.10mm)	0.752" (19.10mm)	0.185" (4.70mm)
E19/8/5-3C91 Ferrite Misc Ferroxcube	4,630	-	RFQ	Datasheet	-	Bulk	Active	E	E 19 x 8 x 5	3C91	-	1.5 µH	±25%	Ungapped	-	-	1.77	39.9	22.6	22.1	900.0	Uncoated	0.319" (8.10mm)	0.752" (19.10mm)	0.185" (4.70mm)
0P41426EC ER CORE Magnetics, a division of Spang & Co.	1,872	-	RFQ	Datasheet	-	Bulk	Active	ER	-	P	-	1.7 µH	-	Ungapped	-	2500	-	19.0	17.6	17.3	333.0	Uncoated	0.116" (2.95mm)	0.579" (14.70mm)	0.268" (6.80mm)
0J41306TC TOROID UNCOATED Magnetics, a division of Spang & Co.	2,472	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.500" (12.70mm)	2.968 µH	±20%	Ungapped	-	5000	-	31.7	14.2	-	451.2	Uncoated	0.250" (6.35mm)	-	-
0M41005TC TOROID UNCOATED Magnetics, a division of Spang & Co.	1,743	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.375" (9.53mm)	9.988 µH	±30%	Ungapped	-	15000	-	20.7	10.9	-	227.0	Uncoated	0.188" (4.78mm)	-	-
0P41308EC ER CORE Magnetics, a division of Spang & Co.	4,302	-	RFQ	Datasheet	-	Bulk	Active	ER	-	P	-	1.8 µH	-	Ungapped	-	2500	-	17.5	19.9	19.2	348.0	Uncoated	0.112" (2.85mm)	0.504" (12.80mm)	0.343" (8.70mm)
COV-12 Cover Ferroxcube	3,281	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E16/8/5-3C92 FERRITE CORE E 3C92 Ferroxcube	2,497	-	RFQ	Datasheet	-	Bulk	Active	E	E 16 x 8 x 5	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
35N0372-00P FERRITE CORE 2 HOLE 10UH 35 Laird-Signal Integrity Products	1,643	-	RFQ	Datasheet	-	Bulk	Active	Multi-Hole (2)	-	35	-	10 µH	-	Ungapped	-	5000	-	-	-	-	-	Parylene	0.316" (8.03mm)	0.371" (9.43mm)	0.211" (5.37mm)
TN6/4/2-3F3 Ferrite Misc Ferroxcube	3,727	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0M40705TC TOROID UNCOATED Magnetics, a division of Spang & Co.	4,704	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.300" (7.62mm)	12.535 µH	±30%	Ungapped	-	15000	-	14.9	9.96	-	149.0	Uncoated	0.188" (4.78mm)	-	-
B64290P0739X046 FERRITE CORE TOROID 6.5UH T46 EPCOS - TDK Electronics	3,341	-	RFQ	Datasheet	TC3.05/1.27/2.5	Box	Obsolete	Toroid	-	T46	0.121" (3.07mm)	6.5 µH	±30%	Ungapped	-	15000	2.82	5.99	2.12	-	12.7	Parylene	0.101" (2.56mm)	-	-
MHB2-5/3/3-4B1 Ferrite Misc Ferroxcube	1,593	-	RFQ	Datasheet	-	Bulk	Active	Multi-Hole (2)	-	4B1	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.201" (5.10mm)	0.118" (3.00mm)	0.118" (3.00mm)
MHB2-5/3/3-4A11 Ferrite Misc Ferroxcube	4,943	-	RFQ	Datasheet	-	Bulk	Active	Multi-Hole (2)	-	4A11	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.201" (5.10mm)	0.118" (3.00mm)	0.118" (3.00mm)
E13/7/4-3C95-A315 Ferrite Misc Ferroxcube	2,937	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E16/8/5-3C90-G500 FERRITE CORE E 3C90 Ferroxcube	2,858	-	RFQ	Datasheet	-	Bulk	Active	E	E 16 x 8 x 5	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	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.