Ferrite Cores

Compare the current Ferrite Cores Magnetics - Transformer, Inductor Components selection by manufacturer, stock status, datasheet and technical parameters. Use these details to narrow the list to parts that match your design, maintenance or purchasing requirements.

For a specific MPN, package, electrical rating or quantity requirement, send the details to EGOO. We can help confirm availability, quotation and alternative sourcing options.

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
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)	-	-

Ferrite Cores FAQ

How can I narrow the current Ferrite Cores selection?

Use the available manufacturer and technical filters to compare matching parts by specifications, stock status, pricing and datasheet information.

Can EGOO help source hard-to-find or obsolete Ferrite Cores parts?

Yes. Send the manufacturer part number and required quantity to our sourcing team for availability, lead-time and alternative sourcing support.

Can I request a quotation for a BOM or small-batch requirement?

Yes. EGOO supports BOM sourcing, prototype quantities and small-batch purchasing. Provide your part list and quantities for a quotation review.

What information should I provide when requesting a quote?

Please provide the target part number, manufacturer, quantity and any required date code, package or delivery requirements so our team can respond more accurately.