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
0078051A7 X FLUX 060 PERM BROWN 050 SIZE Magnetics, a division of Spang & Co.	1,824	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.500" (12.70mm)	27 nH	±8%	Ungapped	-	60	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0078054A7 X FLUX 090 PERM BROWN 050 SIZE Magnetics, a division of Spang & Co.	2,976	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.500" (12.70mm)	40 nH	±8%	Ungapped	-	90	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0078055A7 X FLUX 075 PERM BROWN 050 SIZE Magnetics, a division of Spang & Co.	4,406	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.500" (12.70mm)	34 nH	±8%	Ungapped	-	75	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0078057A7 X FLUX 019 PERM BROWN 050 SIZE Magnetics, a division of Spang & Co.	4,103	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.500" (12.70mm)	9 nH	±8%	Ungapped	-	19	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
ER28/17/11-3C94-G200 FERRITE CORE ER 3C94 Ferroxcube	2,297	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 28 x 17 x 11	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.665" (16.90mm)	1.124" (28.55mm)	0.449" (11.40mm)
U25/16/6-3E27 Ferrite Misc Ferroxcube	2,178	-	RFQ	Datasheet	-	Bulk	Active	U	U 25 x 16 x 6	3E27	-	2.5 µH	±25%	Ungapped	-	-	2.07	83.6	40.3	-	3380.0	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.252" (6.40mm)
B62110A1001X001 FERRITE CORE EPCOS - TDK Electronics	2,999	-	RFQ	Datasheet	TUB1.81/0.8/2.7	Box	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65839A0125B057 FERRITE CORE EP T57 EPCOS - TDK Electronics	3,462	-	RFQ	Datasheet	-	Box	Not For New Designs	EP	EP 7	T57	-	-	-	-	-	4000	1.52	15.7	10.3	8.5	162.0	Uncoated	0.148" (3.75mm)	0.370" (9.40mm)	0.256" (6.50mm)
PLT18/10/2-3C95 FERRITE CORE PLT 3C95 Ferroxcube	3,312	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 18 x 10 x 2	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.079" (2.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
ZP41003TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,175	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.400" (10.15mm)	1.095 µH	±25%	Ungapped	-	2500	-	20.7	7.3	-	151.0	Epoxy	0.147" (3.73mm)	-	-
TX16/9.1/4.7-3C91 Ferrite Misc Ferroxcube	2,939	-	RFQ	Datasheet	TX16/9.1/4.7	Bulk	Active	Toroid	TX 16 x 9.1 x 4.7	3C91	0.655" (16.64mm)	-	±25%	Ungapped	-	-	2.53	37.2	14.7	-	548.0	Epoxy	0.207" (5.25mm)	-	-
B66307F0000X146 FERRITE CORE E T46 1PC EPCOS - TDK Electronics	2,171	-	RFQ	Datasheet	E16/8/5	Bulk	Obsolete	E	E 16 x 8 x 5	T46	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
B66315G0600X127 FERRITE CORE E N27 EPCOS - TDK Electronics	1,038	-	RFQ	Datasheet	E25.4/10/7	Box	Active	E	E 25.4 x 10 x 7	N27	-	-	-	Gapped	-	2000	1.27	49.2	38.8	38.4	1910.0	Uncoated	0.384" (9.78mm)	1.000" (25.40mm)	0.256" (6.50mm)
B66315G1000X127 FERRITE CORE E N27 EPCOS - TDK Electronics	1,677	-	RFQ	Datasheet	E25.4/10/7	Box	Active	E	E 25.4 x 10 x 7	N27	-	-	-	Gapped	-	2000	1.27	49.2	38.8	38.4	1910.0	Uncoated	0.384" (9.78mm)	1.000" (25.40mm)	0.256" (6.50mm)
TN14/9/9-3F3 Ferrite Misc Ferroxcube	4,274	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TN 14 x 9 x 9	3F3	0.583" (14.80mm)	1.43 µH	±25%	Ungapped	-	1800	1.58	35.0	22.1	-	774.0	Nylon	0.374" (9.50mm)	-	-
0W42206TC TOROID UNCOATED Magnetics, a division of Spang & Co.	3,337	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.870" (22.10mm)	6.04 µH	±30%	Ungapped	-	10000	-	54.1	26.2	-	1417.0	Uncoated	0.250" (6.35mm)	-	-
0P41809TC TOROID UNCOATED Magnetics, a division of Spang & Co.	2,863	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.724" (18.40mm)	3.05 µH	±25%	Ungapped	-	2500	-	41.4	43.1	-	1782.6	Uncoated	0.406" (10.30mm)	-	-
YF41303TC TOROID PARYLENE COATED Magnetics, a division of Spang & Co.	3,307	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.500" (12.70mm)	894 nH	-	Ungapped	-	3000	-	31.7	7.1	-	226.0	Parylene	0.125" (3.18mm)	-	-
B67366A0001X027 U11/9/6 N27 800 +30% EPCOS - TDK Electronics	2,945	-	RFQ	Datasheet	B67366	Tray	Active	U	U 11 x 9 x 6	N27	-	800 nH	-20%, +30%	Ungapped	1340.0	2000	2.11	41.5	19.7	19.7	820.0	Uncoated	0.366" (9.30mm)	0.409" (10.40mm)	0.244" (6.20mm)
E14/3.5/5-3C97 FERRITE CORE E 3C97 Ferroxcube	3,806	-	RFQ	Datasheet	-	Bulk	Active	E	E 14 x 3.5 x 5	3C97	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.138" (3.50mm)	0.551" (14.00mm)	0.197" (5.00mm)

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.