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
0R49938FB FERRITE BLOCK Magnetics, a division of Spang & Co.	3,957	-	RFQ	Datasheet	-	Bulk	Active	Planar E/I	-	R	-	-	-	Ungapped	-	2300	-	-	-	-	-	Uncoated	1.496" (38.00mm)	4.724" (120.00mm)	4.724" (120.00mm)
0055779A2 MPP 147 PERM GREY 778 SIZE Magnetics, a division of Spang & Co.	3,151	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	3.063" (77.80mm)	500 nH	±8%	Ungapped	-	147	-	177.2	492.0	-	87100.0	Uncoated	1.018" (25.86mm)	-	-
0055099A2 MPP 060 PERM GREY 102 SIZE Magnetics, a division of Spang & Co.	2,741	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	4.000" (101.60mm)	111 nH	±8%	Ungapped	-	60	-	243.0	358.0	-	86900.0	Uncoated	0.650" (16.51mm)	-	-
0055102A2 MPP 026 PERM GREY 102 SIZE Magnetics, a division of Spang & Co.	3,253	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	4.000" (101.60mm)	48 nH	±8%	Ungapped	-	26	-	243.0	358.0	-	86900.0	Uncoated	0.650" (16.51mm)	-	-
0055098A2 MPP 125 PERM GREY 102 SIZE Magnetics, a division of Spang & Co.	3,041	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	4.000" (101.60mm)	232 nH	±8%	Ungapped	-	125	-	243.0	358.0	-	86900.0	Uncoated	0.650" (16.51mm)	-	-
0058101A2 HIGH FLUX 014 PERM KHAKI 102 SIZ Magnetics, a division of Spang & Co.	2,210	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	4.000" (101.60mm)	26 nH	±8%	Ungapped	-	14	-	243.0	358.0	-	86900.0	Uncoated	0.650" (16.51mm)	-	-
0055101A2 MPP 014 PERM GREY 102 SIZE Magnetics, a division of Spang & Co.	2,726	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	4.000" (101.60mm)	26 nH	±8%	Ungapped	-	14	-	243.0	358.0	-	86900.0	Uncoated	0.650" (16.50mm)	-	-
0055734A2 MPP 014 PERM GREY 740 SIZE Magnetics, a division of Spang & Co.	4,218	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.917" (74.09mm)	48 nH	±8%	Ungapped	-	14	-	184.0	497.0	-	91400.0	Uncoated	1.378" (35.00mm)	-	-
0055735A2 MPP 026 PERM GREY 740 SIZE Magnetics, a division of Spang & Co.	1,227	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.917" (74.09mm)	88 nH	±8%	Ungapped	-	26	-	184.0	497.0	-	91400.0	Uncoated	1.378" (35.00mm)	-	-
0055737A2 MPP 060 PERM GREY 740 SIZE Magnetics, a division of Spang & Co.	4,479	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.917" (74.09mm)	204 nH	±8%	Ungapped	-	60	-	184.0	497.0	-	91400.0	Uncoated	1.378" (35.00mm)	-	-

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.