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
0055515A2 MPP 026 PERM GREY 520 SIZE Magnetics, a division of Spang & Co.	2,089	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.051" (52.10mm)	65 nH	±8%	Ungapped	-	26	-	109.0	217.0	-	23500.0	Uncoated	0.598" (15.20mm)	-	-
0070099A7 KOOL MU ULTRA 060 PERM BLACK Magnetics, a division of Spang & Co.	3,167	-	RFQ	Datasheet	-	Tray	Discontinued at Digi-Key	Toroid	-	Kool Mµ	4.000" (101.60mm)	111 nH	±8%	Ungapped	-	60	-	243.0	358.0	-	87000.0	Uncoated	0.650" (16.51mm)	-	-
C055084A2 MPP 300 PERM GREY 089 SIZE Magnetics, a division of Spang & Co.	4,567	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.875" (47.63mm)	427 nH	±8%	Ungapped	-	300	-	116.0	134.0	-	15600.0	Coated	0.635" (16.13mm)	-	-
0059868A2 EDGE 026 PERM GREEN 866 SIZE Magnetics, a division of Spang & Co.	4,854	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	3.063" (77.80mm)	30 nH	±8%	Ungapped	-	26	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-
C055432A9 MPP 173 PERM GREY 438 SIZE Magnetics, a division of Spang & Co.	2,355	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.890" (48.00mm)	390 nH	±8%	Ungapped	-	173	-	107.0	199.0	-	21300.0	Coated	0.760" (19.30mm)	-	-
00K133RT026 KOOL MU 133 RACE TRACK CORE Magnetics, a division of Spang & Co.	1,015	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	-	46 nH	±8%	Ungapped	-	26	-	477.0	669.0	-	319000.0	Uncoated	1.000" (25.40mm)	8.220" (208.80mm)	5.217" (132.50mm)
0077337A7HT52 KOOL MU 026 PERM BLACK 337 SIZE Magnetics, a division of Spang & Co.	1,099	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	5.219" (132.56mm)	136 nH	±8%	Ungapped	-	26	-	324.0	1440.0	-	466560.0	Uncoated	2.000" (50.80mm)	-	-
MACC0160 AMORPHOUS CUT CORE Magnetics, a division of Spang & Co.	2,478	-	RFQ	Datasheet	-	Bulk	Active	U	-	Amorphous	-	-	-	Ungapped	-	-	-	273.0	660.0	-	-	Uncoated	2.402" (61.00mm)	2.480" (63.00mm)	1.575" (40.00mm)
0059907A2 EDGE 060 PERM GREEN 906 SIZE Magnetics, a division of Spang & Co.	3,978	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	3.063" (77.80mm)	85 nH	±8%	Ungapped	-	60	-	196.0	221.0	-	43400.0	Uncoated	0.625" (15.88mm)	-	-
0059909A2 EDGE 014 PERM GREEN 906 SIZE Magnetics, a division of Spang & Co.	3,456	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	3.063" (77.80mm)	20 nH	±8%	Ungapped	-	14	-	196.1	221.0	-	43400.0	Uncoated	0.625" (15.88mm)	-	-

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.