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
0P42507TC TOROID UNCOATED Magnetics, a division of Spang & Co.	3,887	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.998" (25.34mm)	1.958 µH	±25%	Ungapped	-	2500	-	61.5	39.0	-	2360.0	Uncoated	0.312" (7.92mm)	-	-
0W42510EC E-SHAPE CORE Magnetics, a division of Spang & Co.	3,350	-	RFQ	Datasheet	-	Bulk	Active	E	-	W	-	7.66 µH	-	Ungapped	-	10000	-	49.0	39.5	37.0	1930.0	Uncoated	0.380" (9.65mm)	1.000" (25.40mm)	0.250" (6.35mm)
0F42207TC TOROID UNCOATED Magnetics, a division of Spang & Co.	4,090	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.870" (22.10mm)	2.25 µH	±20%	Ungapped	-	3000	-	54.2	32.5	-	1763.0	Uncoated	0.311" (7.90mm)	-	-
ZP41303TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,399	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.525" (13.34mm)	745 nH	±25%	Ungapped	-	2500	-	31.7	7.1	-	226.0	Epoxy	0.145" (3.69mm)	-	-
E18/4/10-3C95 FERRITE CORE E 3C95 Ferroxcube	1,729	-	RFQ	Datasheet	-	Bulk	Active	E	E 18 x 4 x 10	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
TX16/9.6/6.3-3E10-M FERRITE CORE TOROID Ferroxcube	3,445	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 16 x 9.6 x 6.3	-	0.640" (16.25mm)	-	±30%	Ungapped	-	-	1.95	38.5	19.7	-	760.0	Epoxy	0.258" (6.55mm)	-	-
E14/3.5/5/R-3C97 FERRITE CORE E 3C97 Ferroxcube	3,041	-	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)
PLT18/10/2/S-3C97 FERRITE CORE PLT 3C97 Ferroxcube	3,870	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 18 x 10 x 2	3C97	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.094" (2.40mm)	0.709" (18.00mm)	0.394" (10.00mm)
0077030AY KOOL MU 125 PERM AY 030 SIZE Magnetics, a division of Spang & Co.	1,226	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.310" (7.87mm)	52 nH	±12%	Ungapped	-	125	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
0077040AY KOOL MU 125 PERM AY 040 SIZE Magnetics, a division of Spang & Co.	1,522	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.400" (10.15mm)	66 nH	±12%	Ungapped	-	125	-	23.0	9.57	-	220.0	Uncoated	0.156" (3.96mm)	-	-
PF41313UG EP CORE Magnetics, a division of Spang & Co.	2,934	-	RFQ	Datasheet	-	Bulk	Active	EP	-	F	-	2 µH	±25%	Ungapped	-	3000	-	24.2	19.5	14.9	472.0	Uncoated	0.508" (12.90mm)	0.504" (12.80mm)	0.354" (9.00mm)
ZM41306TC TOROID EPOXY COATED Magnetics, a division of Spang & Co.	1,101	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.530" (13.45mm)	8.476 µH	±30%	Ungapped	-	15000	-	31.7	14.2	-	451.0	Epoxy	0.276" (7.00mm)	-	-
B66413U0100K197 FERRITE CORE EFD N97 EPCOS - TDK Electronics	3,706	-	RFQ	Datasheet	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N97	-	-	-	Gapped	-	2300	2.27	34.0	15.0	12.2	510.0	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
B66413U0160L197 FERRITE CORE EFD N97 EPCOS - TDK Electronics	2,228	-	RFQ	Datasheet	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N97	-	-	-	Gapped	-	2300	2.27	34.0	15.0	12.2	510.0	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
8978202021 FERRITE CORE EFD 78 SET Fair-Rite Products Corp.	3,022	-	RFQ	Datasheet	-	Bulk	Active	EFD	-	78	-	-	±25%	Ungapped	-	2300	156.0	47.4	31.0	29.0	1440.0	Uncoated	-	-	-
9598261802 FERRITE CORE EER SET Fair-Rite Products Corp.	3,427	-	RFQ	Datasheet	-	Bulk	Active	EER	-	-	-	-	±25%	Ungapped	-	2400	111.0	48.0	43.4	42.5	2083.0	Uncoated	0.366" (9.30mm)	-	0.295" (7.50mm)
E18/4/10-3C92-A160-E FERRITE CORE E 3C92 Ferroxcube	3,069	-	RFQ	Datasheet	-	Bulk	Active	E	E 18 x 4 x 10	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
E18/4/10-3C92-A160-P FERRITE CORE E 3C92 Ferroxcube	4,065	-	RFQ	Datasheet	-	Bulk	Active	E	E 18 x 4 x 10	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
E18/4/10-3C92-A250-E FERRITE CORE E 3C92 Ferroxcube	2,120	-	RFQ	Datasheet	-	Bulk	Active	E	E 18 x 4 x 10	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
E18/4/10-3C92-A250-P FERRITE CORE E 3C92 Ferroxcube	1,405	-	RFQ	Datasheet	-	Bulk	Active	E	E 18 x 4 x 10	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)

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.