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
0079441A7 KOOL MU MAX 014 PERM BLACK 438 S Magnetics, a division of Spang & Co.	3,277	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.840" (46.74mm)	32 nH	±8%	Ungapped	-	14	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0T48020EC E-CORE Magnetics, a division of Spang & Co.	1,905	-	RFQ	Datasheet	-	Bulk	Active	E	-	T	-	6.73 µH	±25%	Ungapped	-	3000	-	184.0	392.0	392.0	72300.0	Uncoated	1.500" (38.10mm)	3.150" (80.00mm)	0.780" (19.80mm)
0079431A7 KOOL MU MAX 040 PERM BLACK 438 S Magnetics, a division of Spang & Co.	2,693	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.840" (46.74mm)	90 nH	±8%	Ungapped	-	40	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0079430A7 KOOL MU MAX 019 PERM BLACK 438 S Magnetics, a division of Spang & Co.	2,751	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.840" (46.74mm)	43 nH	±8%	Ungapped	-	19	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0076431A7 KOOL MU HF 040 PERM BLACK 438 SI Magnetics, a division of Spang & Co.	4,675	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	1.840" (46.74mm)	90 nH	±8%	Ungapped	-	40	-	107.4	198.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0076440A7 KOOL MU HF 026 PERM BLACK 438 SI Magnetics, a division of Spang & Co.	2,125	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	1.840" (46.74mm)	59 µH	±8%	Ungapped	-	26	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0076439A7 KOOL MU HF 060 PERM BLACK 438 SI Magnetics, a division of Spang & Co.	3,597	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	1.840" (46.74mm)	135 nH	±8%	Ungapped	-	60	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
00K6030B026HT25 KOOL MU 6030 BLOCK Magnetics, a division of Spang & Co.	2,613	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	26	-	-	-	-	45000.0	Uncoated	1.181" (30.00mm)	2.362" (60.00mm)	0.984" (25.00mm)
0078867A7 X FLUX 060 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	1,274	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	68 nH	±8%	Ungapped	-	60	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-
0078870A7 X FLUX 090 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	1,533	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	102 nH	±8%	Ungapped	-	90	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-

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.