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
TN16/9.6/6.3-3F3 Ferrite Misc Ferroxcube	3,947	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TN 16 x 9.6 x 6.3	3F3	0.657" (16.70mm)	1.16 µH	±25%	Ungapped	-	1800	1.95	38.5	19.7	-	760.0	Nylon	0.268" (6.80mm)	-	-
0078120A7 X FLUX 125 PERM BROWN 120 SIZE Magnetics, a division of Spang & Co.	3,901	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.653" (16.59mm)	72 nH	±8%	Ungapped	-	125	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
0078113A7 X FLUX 040 PERM BROWN 120 SIZE Magnetics, a division of Spang & Co.	2,664	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.653" (16.59mm)	24 nH	±8%	Ungapped	-	40	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
0078121A7 X FLUX 060 PERM BROWN 120 SIZE Magnetics, a division of Spang & Co.	4,618	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.653" (16.59mm)	35 nH	±8%	Ungapped	-	60	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
0077874A7 KOOL MU 090 PERM BLACK 270 SIZE Magnetics, a division of Spang & Co.	2,099	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.260" (6.60mm)	74 nH	±12%	Ungapped	-	90	-	13.6	9.2	-	125.0	Uncoated	0.188" (4.78mm)	-	-
0077271A7 KOOL MU 060 PERM BLACK 270 SIZE Magnetics, a division of Spang & Co.	3,641	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.260" (6.60mm)	50 nH	±12%	Ungapped	-	60	-	13.6	9.2	-	125.0	Uncoated	0.188" (4.78mm)	-	-
0077875A7 KOOL MU 075 PERM BLACK 270 SIZE Magnetics, a division of Spang & Co.	2,908	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.260" (6.60mm)	62 nH	±12%	Ungapped	-	75	-	13.6	9.2	-	125.0	Uncoated	0.188" (4.78mm)	-	-
0077270A7 KOOL MU 125 PERM BLACK 270 SIZE Magnetics, a division of Spang & Co.	2,619	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.260" (6.60mm)	103 nH	±12%	Ungapped	-	125	-	13.6	9.2	-	125.0	Uncoated	0.188" (4.78mm)	-	-
0078122A7 X FLUX 026 PERM BROWN 120 SIZE Magnetics, a division of Spang & Co.	3,372	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.653" (16.59mm)	15 nH	±8%	Ungapped	-	26	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
0078224A7 X FLUX 090 PERM BROWN 120 SIZE Magnetics, a division of Spang & Co.	4,002	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.653" (16.59mm)	52 nH	±8%	Ungapped	-	90	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
0078225A7 X FLUX 075 PERM BROWN 120 SIZE Magnetics, a division of Spang & Co.	4,894	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.653" (16.59mm)	43 nH	±8%	Ungapped	-	75	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
0078226A7 X FLUX 019 PERM BROWN 120 SIZE Magnetics, a division of Spang & Co.	3,467	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.653" (16.59mm)	11 nH	±8%	Ungapped	-	19	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
ZF41306TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,651	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.525" (13.34mm)	1.782 µH	±20%	Ungapped	-	3000	-	31.7	14.2	-	451.2	Epoxy	0.272" (6.91mm)	-	-
EQ13-3F36 FERRITE CORE EQ 3F36 Ferroxcube	4,857	-	RFQ	Datasheet	-	Bulk	Active	EQ	EQ 13	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.112" (2.85mm)	0.504" (12.80mm)	0.343" (8.70mm)
EQ13-3F46 FERRITE CORE EQ 3F46 Ferroxcube	2,330	-	RFQ	Datasheet	-	Bulk	Active	EQ	EQ 13	3F46	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.112" (2.85mm)	0.504" (12.80mm)	0.343" (8.70mm)
WBC3/RT-3S4-Z Ferrite Misc Ferroxcube	4,079	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
5985001901 FERRITE CORE TOROID Fair-Rite Products Corp.	4,407	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	0.500" (12.70mm)	-	-	Ungapped	-	600	104.0	31.2	29.9	-	933.0	Uncoated	0.500" (12.70mm)	-	-
0R42212TC TOROID UNCOATED Magnetics, a division of Spang & Co.	4,798	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	0.870" (22.10mm)	2.77 µH	±25%	Ungapped	-	2300	-	54.1	52.3	-	2834.0	Uncoated	0.500" (12.70mm)	-	-
B66314G0070X130 E21/9/5 N30 GAP 0.07 EPCOS - TDK Electronics	1,769	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0J44008EC E-CORE Magnetics, a division of Spang & Co.	1,453	-	RFQ	Datasheet	-	Bulk	Active	Planar E/I	-	J	-	7.13 µH	-	Ungapped	-	5000	-	51.9	101.0	95.1	5220.0	Uncoated	0.335" (8.50mm)	1.600" (40.64mm)	0.421" (10.70mm)

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.