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
0078868A7 X FLUX 026 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	2,841	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	30 nH	±8%	Ungapped	-	26	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-
0078871A7 X FLUX 075 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	4,610	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	85 nH	±8%	Ungapped	-	75	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-
0078872A7 X FLUX 040 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	1,524	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	45 nH	±8%	Ungapped	-	40	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-
0078873A7 X FLUX 019 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	4,792	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	22 nH	±8%	Ungapped	-	19	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-
0055115AY MPP 300 PERM AY 120 SIZE Magnetics, a division of Spang & Co.	2,663	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.653" (16.59mm)	173 nH	±8%	Ungapped	-	300	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
00K9541B026HT20 KOOL MU DBL LENGTH 4741 BLOCK Magnetics, a division of Spang & Co.	2,619	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0058932A9 HIGH FLUX 026 PERM KHAKI 930 SIZ Magnetics, a division of Spang & Co.	1,596	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	1.059" (26.90mm)	32 nH	±8%	Ungapped	-	26	-	63.5	65.4	-	4150.0	Uncoated	0.441" (11.20mm)	-	-
00X4741B026 X FLUX 4741 BLOCK Magnetics, a division of Spang & Co.	4,556	-	RFQ	Datasheet	-	Bulk	Active	I	-	XFlux	-	-	-	Ungapped	-	26	-	-	-	-	53600.0	Uncoated	1.614" (41.00mm)	1.870" (47.50mm)	1.083" (27.50mm)
00X4741B060 X FLUX 4741 BLOCK Magnetics, a division of Spang & Co.	3,081	-	RFQ	Datasheet	-	Bulk	Active	I	-	XFlux	-	-	-	Ungapped	-	60	-	-	-	-	53600.0	Uncoated	1.614" (41.00mm)	1.870" (47.50mm)	1.083" (27.50mm)
00X4741B040 X FLUX 4741 BLOCK Magnetics, a division of Spang & Co.	4,735	-	RFQ	Datasheet	-	Bulk	Active	I	-	XFlux	-	-	-	Ungapped	-	40	-	-	-	-	53600.0	Uncoated	1.614" (41.00mm)	1.870" (47.50mm)	1.083" (27.50mm)

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.