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
0077214A7 KOOL MU 075 PERM BLACK 109 SIZE Magnetics, a division of Spang & Co.	4,680	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.250" (57.15mm)	94 nH	±8%	Ungapped	-	75	-	143.0	144.0	-	20700.0	Uncoated	0.550" (13.97mm)	-	-
0077212A7 KOOL MU 040 PERM BLACK 109 SIZE Magnetics, a division of Spang & Co.	1,967	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.250" (57.15mm)	50 nH	±8%	Ungapped	-	40	-	143.0	144.0	-	20700.0	Uncoated	0.550" (13.97mm)	-	-
C055304A2 MPP 173 PERM GREY 310 SIZE Magnetics, a division of Spang & Co.	2,068	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.930" (23.62mm)	124 nH	±8%	Ungapped	-	173	-	56.7	31.7	-	1800.0	Coated	0.330" (8.38mm)	-	-
0079257A7 KOOL MU MAX 014 PERM BLACK 254 S Magnetics, a division of Spang & Co.	3,490	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.570" (39.88mm)	19 nH	±8%	Ungapped	-	14	-	98.4	107.0	-	10500.0	Uncoated	0.570" (14.48mm)	-	-
0079260A7 KOOL MU MAX 040 PERM BLACK 254 S Magnetics, a division of Spang & Co.	2,444	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.570" (39.88mm)	54 nH	±8%	Ungapped	-	40	-	98.4	107.0	-	10600.0	Uncoated	0.570" (14.48mm)	-	-
0076390A7 KOOL MU HF 026 PERM BLACK 395 SI Magnetics, a division of Spang & Co.	4,749	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	1.580" (40.13mm)	53 nH	±8%	Ungapped	-	26	-	95.0	153.0	-	14600.0	Uncoated	0.669" (17.00mm)	-	-
C055348A2 MPP 160 PERM GREY 350 SIZE Magnetics, a division of Spang & Co.	3,413	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.958" (24.33mm)	135 nH	±8%	Ungapped	-	160	-	58.8	38.8	-	2280.0	Coated	0.380" (9.65mm)	-	-
C055349A2 MPP 147 PERM GREY 350 SIZE Magnetics, a division of Spang & Co.	1,821	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.958" (24.33mm)	124 nH	±8%	Ungapped	-	147	-	58.8	38.8	-	2280.0	Coated	0.380" (9.65mm)	-	-
0076391A7 KOOL MU HF 040 PERM BLACK 395 SI Magnetics, a division of Spang & Co.	1,865	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	1.580" (40.13mm)	81 nH	±8%	Ungapped	-	40	-	94.9	153.0	-	14600.0	Uncoated	0.669" (17.00mm)	-	-
0076260A7 KOOL MU HF 040 PERM BLACK 254 SI Magnetics, a division of Spang & Co.	2,864	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu HF	1.570" (39.88mm)	54 nH	±8%	Ungapped	-	40	-	98.4	107.0	-	10600.0	Uncoated	0.570" (14.48mm)	-	-

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.