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
0078737A7 X FLUX 060 PERM BROWN 740 SIZE Magnetics, a division of Spang & Co.	4,369	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.917" (74.09mm)	204 nH	±8%	Ungapped	-	60	-	184.0	497.0	-	91400.0	Uncoated	1.378" (35.00mm)	-	-
0078735A7 X FLUX 026 PERM BROWN 740 SIZE Magnetics, a division of Spang & Co.	4,106	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.917" (74.09mm)	88 nH	±8%	Ungapped	-	26	-	184.0	497.0	-	91400.0	Uncoated	1.378" (35.00mm)	-	-
0078736A7 X FLUX 040 PERM BROWN 740 SIZE Magnetics, a division of Spang & Co.	2,422	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.917" (74.09mm)	136 nH	±8%	Ungapped	-	40	-	184.0	497.0	-	91400.0	Uncoated	1.378" (35.00mm)	-	-
0R49725TC TOROID Magnetics, a division of Spang & Co.	1,692	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	4.213" (107.00mm)	5.732 µH	±25%	Ungapped	-	2300	-	259.31	514.3	-	133351.0	Uncoated	0.984" (25.00mm)	-	-
0055326A2 MPP 026 PERM GREY 324 SIZE Magnetics, a division of Spang & Co.	1,792	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.410" (35.81mm)	24 nH	±8%	Ungapped	-	26	-	89.8	67.8	-	6090.0	Uncoated	0.412" (10.46mm)	-	-
0079616A7 KOOL MU MAX 040 PERM BLACK 620 S Magnetics, a division of Spang & Co.	2,590	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.440" (61.98mm)	126 nH	±8%	Ungapped	-	40	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
0079614A7 KOOL MU MAX 014 PERM BLACK 620 S Magnetics, a division of Spang & Co.	3,805	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.440" (61.98mm)	44 nH	±8%	Ungapped	-	14	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
0079612A7 KOOL MU MAX 019 PERM BLACK 620 S Magnetics, a division of Spang & Co.	2,253	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.440" (61.98mm)	60 nH	±8%	Ungapped	-	19	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
0076616A7 KOOL MU HF 040 PERM BLACK 620 SI Magnetics, a division of Spang & Co.	2,852	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	2.441" (62.00mm)	126 nH	±8%	Ungapped	-	40	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
0076615A7 KOOL MU HF 026 PERM BLACK 620 SI Magnetics, a division of Spang & Co.	2,502	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	2.441" (62.00mm)	82 nH	±8%	Ungapped	-	26	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-

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.