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
0077540A7 KOOL MU 125 PERM BLACK 540 SIZE Magnetics, a division of Spang & Co.	2,824	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	2.126" (54.00mm)	217 nH	±8%	Ungapped	-	125	-	126.0	174.0	-	22000.0	Uncoated	0.567" (14.40mm)	-	-
0078715A7 X FLUX 125 PERM BROWN 715 SIZE Magnetics, a division of Spang & Co.	3,770	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.000" (50.80mm)	152 nH	±8%	Ungapped	-	125	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0078716A7 X FLUX 060 PERM BROWN 715 SIZE Magnetics, a division of Spang & Co.	1,379	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.000" (50.80mm)	73 nH	±8%	Ungapped	-	60	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0077537A7 KOOL MU 060 PERM BLACK 540 SIZE Magnetics, a division of Spang & Co.	2,584	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	2.126" (54.00mm)	104 nH	±8%	Ungapped	-	60	-	126.0	174.0	-	22000.0	Uncoated	0.567" (14.40mm)	-	-
0078708A7 X FLUX 019 PERM BROWN 715 SIZE Magnetics, a division of Spang & Co.	3,786	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.000" (50.80mm)	23 nH	±8%	Ungapped	-	19	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0078717A7 X FLUX 026 PERM BROWN 715 SIZE Magnetics, a division of Spang & Co.	2,176	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.000" (50.80mm)	32 nH	±8%	Ungapped	-	26	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0078719A7 X FLUX 090 PERM BROWN 715 SIZE Magnetics, a division of Spang & Co.	2,521	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.000" (50.80mm)	109 nH	±8%	Ungapped	-	90	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0077535A7 KOOL MU 026 PERM BLACK 540 SIZE Magnetics, a division of Spang & Co.	1,080	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	2.126" (54.00mm)	45 nH	±8%	Ungapped	-	26	-	126.0	174.0	-	22000.0	Uncoated	0.567" (14.40mm)	-	-
0078721A7 X FLUX 040 PERM BROWN 715 SIZE Magnetics, a division of Spang & Co.	4,839	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.000" (50.80mm)	49 nH	±8%	Ungapped	-	40	-	127.3	123.0	-	15600.0	Uncoated	0.530" (13.46mm)	-	-
0078720A7 X FLUX 075 PERM BROWN 715 SIZE Magnetics, a division of Spang & Co.	3,954	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.000" (50.80mm)	91 nH	±8%	Ungapped	-	75	-	127.0	125.0	-	15900.0	Uncoated	0.512" (13.00mm)	-	-

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.