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
0079734A7 KOOL MU MAX 014 PERM BLACK 740 S Magnetics, a division of Spang & Co.	2,271	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.917" (74.09mm)	48 nH	±8%	Ungapped	-	14	-	184.0	497.0	-	91400.0	Uncoated	1.378" (35.00mm)	-	-
0076735A7 KOOL MU HF 026 PERM BLACK 740 SI Magnetics, a division of Spang & Co.	3,302	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0076737A7 KOOL MU HF 060 PERM BLACK 740 SI Magnetics, a division of Spang & Co.	4,701	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0079736A7 KOOL MU MAX 040 PERM BLACK 740 S Magnetics, a division of Spang & Co.	4,596	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.917" (74.09mm)	136 nH	±8%	Ungapped	-	40	-	184.0	497.0	-	91400.0	Uncoated	1.378" (35.00mm)	-	-
0079744A7 KOOL MU MAX 019 PERM BLACK 740 S Magnetics, a division of Spang & Co.	3,879	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.917" (74.09mm)	64 nH	±8%	Ungapped	-	19	-	184.0	497.0	-	91400.0	Uncoated	1.378" (35.00mm)	-	-
ZW49715TC TOROID GREY COATED Magnetics, a division of Spang & Co.	4,607	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	4.114" (104.50mm)	11.178 µH	±30%	Ungapped	-	10000	-	255.3	267.2	-	68821.0	Epoxy	0.630" (16.00mm)	-	-
0059212A2 EDGE 040 PERM GREEN 109 SIZE Magnetics, a division of Spang & Co.	1,177	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	2.250" (57.15mm)	50 nH	±8%	Ungapped	-	40	-	143.0	144.0	-	20700.0	Uncoated	0.550" (13.97mm)	-	-
0059110A2 EDGE 060 PERM GREEN 109 SIZE Magnetics, a division of Spang & Co.	1,686	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	2.250" (57.15mm)	94 nH	±8%	Ungapped	-	75	-	143.0	142.0	-	20300.0	Uncoated	0.550" (13.97mm)	-	-
0059111A2 EDGE 026 PERM GREEN 109 SIZE Magnetics, a division of Spang & Co.	3,900	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	2.250" (57.15mm)	33 nH	±8%	Ungapped	-	26	-	143.0	144.0	-	20700.0	Uncoated	0.550" (13.97mm)	-	-
0058540A2 HIGH FLUX 125 PERM KHAKI 540 SIZ Magnetics, a division of Spang & Co.	3,742	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	2.126" (54.00mm)	217 nH	±8%	Ungapped	-	125	-	126.0	174.0	-	22000.0	Uncoated	0.567" (14.40mm)	-	-

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.