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
0077740A7 KOOL MU 125 PERM BLACK 740 SIZE Magnetics, a division of Spang & Co.	2,771	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.917" (74.09mm)	425 nH	±8%	Ungapped	-	125	-	184.0	497.0	-	91400.0	Uncoated	1.378" (35.00mm)	-	-
0058390A2 HIGH FLUX 026 PERM KHAKI 395 SIZ Magnetics, a division of Spang & Co.	2,614	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	1.580" (40.13mm)	53 nH	±8%	Ungapped	-	26	-	95.0	153.0	-	14600.0	Uncoated	0.669" (17.00mm)	-	-
0059451A2S01 EDGE HDCB 060 PERM GREEN 454 SIZ Magnetics, a division of Spang & Co.	1,379	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High DCB Edge	1.689" (42.90mm)	108 nH	±8%	Ungapped	-	60	-	102.6	146.0	-	15000.0	Uncoated	0.640" (16.26mm)	-	-
0059453A2 EDGE 090 PERM GREEN 454 SIZE Magnetics, a division of Spang & Co.	2,604	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	1.689" (42.90mm)	161 nH	±8%	Ungapped	-	90	-	103.0	148.0	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
0059454A2 EDGE 125 PERM GREEN 454 SIZE Magnetics, a division of Spang & Co.	3,882	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	1.689" (42.90mm)	226 nH	±8%	Ungapped	-	125	-	103.0	148.0	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
0059451A2 EDGE 060 PERM GREEN 454 SIZE Magnetics, a division of Spang & Co.	2,601	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	1.689" (42.90mm)	108 nH	±8%	Ungapped	-	60	-	102.0	147.5	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
0077101A7 KOOL MU 014 PERM BLACK 102 SIZE Magnetics, a division of Spang & Co.	4,357	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	4.000" (101.60mm)	26 nH	±8%	Ungapped	-	14	-	242.7	358.0	-	87000.0	Uncoated	0.650" (16.51mm)	-	-
0077100A7 KOOL MU 040 PERM BLACK 102 SIZE Magnetics, a division of Spang & Co.	4,983	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	4.000" (101.60mm)	74 nH	±8%	Ungapped	-	40	-	243.0	358.0	-	86900.0	Uncoated	0.650" (16.51mm)	-	-
0077099A7 KOOL MU 060 PERM BLACK 102 SIZE Magnetics, a division of Spang & Co.	2,843	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	4.000" (101.60mm)	111 nH	±8%	Ungapped	-	60	-	243.0	358.0	-	86900.0	Uncoated	0.650" (16.51mm)	-	-
0077098A7 KOOL MU 125 PERM BLACK 102 SIZE Magnetics, a division of Spang & Co.	2,270	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	4.000" (101.60mm)	232 nH	±8%	Ungapped	-	125	-	243.0	358.0	-	86900.0	Uncoated	0.650" (16.51mm)	-	-

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.