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
0077618A7 KOOL MU 075 PERM BLACK 620 SIZE Magnetics, a division of Spang & Co.	1,010	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.440" (61.98mm)	237 nH	±8%	Ungapped	-	75	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
0077620A7 KOOL MU 125 PERM BLACK 620 SIZE Magnetics, a division of Spang & Co.	1,189	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.440" (61.98mm)	394 nH	±8%	Ungapped	-	125	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
00K8020E026HT40 KOOL MU 8020 E CORE Magnetics, a division of Spang & Co.	1,014	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	190 nH	±8%	Ungapped	-	26	-	185.0	778.0	-	145000.0	Uncoated	1.500" (38.10mm)	3.150" (80.00mm)	1.559" (39.60mm)
00K9541B014 KOOL MU DBL LENGTH 4741 BLOCK Magnetics, a division of Spang & Co.	2,324	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	14	-	-	-	-	107200.0	Uncoated	1.614" (41.00mm)	3.740" (95.00mm)	1.083" (27.50mm)
00K9541B060 KOOL MU DBL LENGTH 4741 BLOCK Magnetics, a division of Spang & Co.	3,576	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	60	-	-	-	-	107200.0	Uncoated	1.614" (41.00mm)	3.740" (95.00mm)	1.083" (27.50mm)
C055582A2 MPP 200 PERM GREY 585 SIZE Magnetics, a division of Spang & Co.	1,812	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.385" (35.18mm)	126 nH	±8%	Ungapped	-	200	-	89.5	46.4	-	4150.0	Coated	0.384" (9.78mm)	-	-
C055579A2 MPP 173 PERM GREY 585 SIZE Magnetics, a division of Spang & Co.	2,338	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.385" (35.18mm)	109 nH	±8%	Ungapped	-	173	-	89.5	46.4	-	4150.0	Coated	0.384" (9.78mm)	-	-
0058326A2 HIGH FLUX 026 PERM KHAKI 324 SIZ Magnetics, a division of Spang & Co.	1,254	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	1.410" (35.81mm)	24 nH	±8%	Ungapped	-	26	-	89.8	67.8	-	6090.0	Uncoated	0.412" (10.46mm)	-	-
0P44229A160 GAPPED POT CORE Magnetics, a division of Spang & Co.	2,514	-	RFQ	Datasheet	-	Bulk	Active	P	-	P	1.669" (42.40mm)	160 nH	-	Ungapped	-	2500	-	68.6	265.0	-	18200.0	Uncoated	1.157" (29.40mm)	-	-
C055547A2 MPP 147 PERM GREY 548 SIZE Magnetics, a division of Spang & Co.	3,484	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.325" (33.66mm)	150 nH	±8%	Ungapped	-	147	-	81.4	65.6	-	5340.0	Coated	0.450" (11.45mm)	-	-

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.