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
0077342A7 KOOL MU 019 PERM BLACK 337 SIZE Magnetics, a division of Spang & Co.	1,166	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	5.219" (132.56mm)	50 nH	±8%	Ungapped	-	19	-	324.3	677.0	-	219000.0	Uncoated	1.000" (25.40mm)	-	-
ZP49740TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,871	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	5.650" (143.50mm)	3.477 µH	±25%	Ungapped	-	2500	-	381.5	422.3	-	161086.0	Epoxy	1.039" (26.40mm)	-	-
ZR49740TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,939	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	5.650" (143.50mm)	3.2 µH	±25%	Ungapped	-	2300	-	381.5	422.3	-	161086.0	Epoxy	1.039" (26.40mm)	-	-
C055713A2 MPP 160 PERM GREY 715 SIZE Magnetics, a division of Spang & Co.	4,820	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.035" (51.69mm)	195 nH	±8%	Ungapped	-	160	-	127.0	125.0	-	15900.0	Coated	0.565" (14.35mm)	-	-
C055714A2 MPP 147 PERM GREY 715 SIZE Magnetics, a division of Spang & Co.	3,717	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.035" (51.69mm)	179 nH	±8%	Ungapped	-	147	-	127.0	125.0	-	15900.0	Coated	0.565" (14.35mm)	-	-
C055715A2 MPP 125 PERM GREY 715 SIZE Magnetics, a division of Spang & Co.	3,126	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.035" (51.69mm)	152 nH	±8%	Ungapped	-	125	-	127.0	125.0	-	15900.0	Coated	0.565" (14.35mm)	-	-
C055082A2 MPP 173 PERM GREY 089 SIZE Magnetics, a division of Spang & Co.	3,479	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.875" (47.63mm)	246 nH	±8%	Ungapped	-	173	-	116.0	134.0	-	15600.0	Coated	0.635" (16.13mm)	-	-
C055089A2 MPP 125 PERM GREY 089 SIZE Magnetics, a division of Spang & Co.	3,016	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.875" (47.63mm)	178 nH	±8%	Ungapped	-	125	-	116.0	134.0	-	15600.0	Coated	0.635" (16.13mm)	-	-
C055087A2 MPP 160 PERM GREY 089 SIZE Magnetics, a division of Spang & Co.	3,644	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.875" (47.63mm)	228 nH	±8%	Ungapped	-	160	-	116.0	134.0	-	15600.0	Coated	0.635" (16.13mm)	-	-
C055709A2 MPP 173 PERM GREY 715 SIZE Magnetics, a division of Spang & Co.	4,173	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.035" (51.69mm)	210 nH	±8%	Ungapped	-	173	-	127.0	125.0	-	15900.0	Coated	0.565" (14.35mm)	-	-

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.