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
0R42929EC ETD CORE Magnetics, a division of Spang & Co.	2,241	-	RFQ	Datasheet	-	Bulk	Active	ETD	-	R	-	2.25 µH	-	Ungapped	-	2300	-	72.0	76.0	710.0	5470.0	Uncoated	0.622" (15.80mm)	1.205" (30.60mm)	0.386" (9.80mm)
E14/3.5/5-3C92 FERRITE CORE E 3C92 Ferroxcube	1,286	-	RFQ	Datasheet	-	Bulk	Active	E	E 14 x 3.5 x 5	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.138" (3.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
U25/16/6-3C91 FERRITE CORE U 3C91 Ferroxcube	2,711	-	RFQ	Datasheet	-	Bulk	Active	U	U 25 x 16 x 6	3C91	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.252" (6.40mm)
U25/16/6-3C94 FERRITE CORE U 3C94 Ferroxcube	4,695	-	RFQ	Datasheet	-	Bulk	Active	U	U 25 x 16 x 6	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.252" (6.40mm)
E14/3.5/5-3C94-A63-E Ferrite Misc Ferroxcube	2,342	-	RFQ	Datasheet	-	Bulk	Active	E	E 14 x 3.5 x 5	3C94	-	63 nH	±3%	Gapped	72.0	-	1.43	20.7	14.3	14.3	300.0	Uncoated	0.138" (3.50mm)	0.815" (20.70mm)	0.197" (5.00mm)
E14/3.5/5-3C94-A63-P Ferrite Misc Ferroxcube	4,627	-	RFQ	Datasheet	-	Bulk	Active	E	E 14 x 3.5 x 5	3C94	-	63 nH	±3%	Gapped	58.0	-	1.43	20.7	14.3	14.3	300.0	Uncoated	0.138" (3.50mm)	0.815" (20.70mm)	0.197" (5.00mm)
E14/3.5/5-3C94-A100-E Ferrite Misc Ferroxcube	3,108	-	RFQ	Datasheet	-	Bulk	Active	E	E 14 x 3.5 x 5	3C94	-	100 nH	±5%	Gapped	114.0	-	1.43	20.7	14.3	14.3	300.0	Uncoated	0.138" (3.50mm)	0.815" (20.70mm)	0.197" (5.00mm)
E14/3.5/5-3C94-A160-E Ferrite Misc Ferroxcube	4,658	-	RFQ	Datasheet	-	Bulk	Active	E	E 14 x 3.5 x 5	3C94	-	160 nH	±8%	Gapped	182.0	-	1.43	20.7	14.3	14.3	300.0	Uncoated	0.138" (3.50mm)	0.815" (20.70mm)	0.197" (5.00mm)
E14/3.5/5-3C94-A160-P Ferrite Misc Ferroxcube	4,969	-	RFQ	Datasheet	-	Bulk	Active	E	E 14 x 3.5 x 5	3C94	-	160 nH	±8%	Gapped	148.0	-	1.43	20.7	14.3	14.3	300.0	Uncoated	0.138" (3.50mm)	0.815" (20.70mm)	0.197" (5.00mm)
E14/3.5/5-3C94-A100-P Ferrite Misc Ferroxcube	1,873	-	RFQ	Datasheet	-	Bulk	Active	E	E 14 x 3.5 x 5	3C94	-	100 nH	±5%	Gapped	92.0	-	1.43	20.7	14.3	14.3	300.0	Uncoated	0.138" (3.50mm)	0.815" (20.70mm)	0.197" (5.00mm)
U25/16/6-3C90 Ferrite Misc Ferroxcube	1,457	-	RFQ	Datasheet	-	Bulk	Active	U	U 25 x 16 x 6	3C90	-	1.2 µH	±25%	Ungapped	-	-	2.07	83.6	40.3	-	3380.0	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.252" (6.40mm)
CSV-RM8/LP-1S-C Ferrite Misc Ferroxcube	4,665	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0P42206TC TOROID UNCOATED Magnetics, a division of Spang & Co.	1,957	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.870" (22.10mm)	1.51 µH	±25%	Ungapped	-	2500	-	54.1	26.2	54.1	1417.0	Uncoated	0.250" (6.35mm)	-	-
0F41106UC U-SHAPE CORE Magnetics, a division of Spang & Co.	2,788	-	RFQ	Datasheet	-	Bulk	Active	U	-	F	-	1.01 µH	±25%	Ungapped	-	3000	-	29.2	12.0	11.5	350.0	Uncoated	0.165" (4.20mm)	0.427" (10.85mm)	0.248" (6.30mm)
B64290P0687X046 FERRITE CORE TOROID 5.85UH T46 EPCOS - TDK Electronics	3,072	-	RFQ	Datasheet	TC5.8/3/3	Box	Obsolete	Toroid	-	T46	0.231" (5.87mm)	5.85 µH	±30%	Ungapped	-	15000	3.22	13.03	4.04	-	52.6	Parylene	0.119" (3.02mm)	-	-
B66322G0000X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	1,995	-	RFQ	Datasheet	E10/5.5/5	Box	Active	E	E 10 x 5.5 x 5	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.216" (5.50mm)	0.402" (10.20mm)	0.189" (4.80mm)
B64290P0751X065 FERRITE CORE TOROID 4.6UH T65 EPCOS - TDK Electronics	3,760	-	RFQ	Datasheet	TC8/4/4	Box	Active	Toroid	-	T65	0.316" (8.02mm)	4.6 µH	±30%	Ungapped	-	4600	2.26	17.42	7.7	-	134.0	Parylene	0.158" (4.02mm)	-	-
TX10/6/4-3E65 FERRITE CORE TOROID Ferroxcube	3,817	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	-	-	-	Ungapped	-	-	3.07	24.1	7.8	-	3.07	Epoxy	0.167" (4.25mm)	-	-
0J41809TC TOROID UNCOATED Magnetics, a division of Spang & Co.	2,804	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.724" (18.40mm)	6.115 µH	-	Ungapped	-	5000	-	41.4	43.1	-	1782.6	Uncoated	0.406" (10.30mm)	-	-
FP42216IC I-CORE - FLAT BACK Magnetics, a division of Spang & Co.	1,568	-	RFQ	Datasheet	-	Bulk	Active	I	-	P	-	6.568 µH	-	Ungapped	-	2500	-	25.8	80.6	80.6	2080.0	Uncoated	0.116" (2.95mm)	0.858" (21.80mm)	0.622" (15.80mm)

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.