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
C058867A2 FERRITE CORE TOROID 68NH HIGH FL Magnetics, a division of Spang & Co.	1,759	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	3.063" (77.80mm)	68 nH	±8%	Ungapped	-	60	-	196.0	176.0	-	34500.0	Coated	0.500" (12.70mm)	-	-
0070615A7 KOOL MU ULTRA 026 PERM BLACK Magnetics, a division of Spang & Co.	3,655	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	Kool Mµ	2.440" (61.98mm)	82 nH	±8%	Ungapped	-	26	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
0058112A2 FERRITE CORE TOROID 18NH HIGH FL Magnetics, a division of Spang & Co.	3,141	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	2.285" (58.04mm)	18 nH	±8%	Ungapped	-	14	-	143.0	144.0	-	20650.0	Coated	0.585" (14.86mm)	-	-
C055716A2 FERRITE CORE TOROID 73NH MPP Magnetics, a division of Spang & Co.	4,816	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.000" (50.80mm)	73 nH	±8%	Ungapped	-	60	-	127.0	125.0	-	15900.0	Coated	0.530" (13.46mm)	-	-
0077337A7 FERRITE CORE TOROID 68NH KOOL MU Magnetics, a division of Spang & Co.	2,288	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	5.219" (132.56mm)	68 nH	±8%	Ungapped	-	26	-	324.0	678.0	-	220000.0	Coated	1.000" (25.40mm)	-	-
0077339A7 FERRITE CORE TOROID 158NH KOOLMU Magnetics, a division of Spang & Co.	3,097	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	5.274" (133.96mm)	158 nH	±8%	Ungapped	-	60	-	324.0	678.0	-	220000.0	Coated	1.055" (26.80mm)	-	-
0077336A7 FERRITE CORE TOROID 37NH KOOL MU Magnetics, a division of Spang & Co.	3,362	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	5.274" (133.96mm)	37 nH	±8%	Ungapped	-	14	-	324.0	678.0	-	220000.0	Coated	1.055" (26.80mm)	-	-
0058440A2 FERRITE CORE TOROID 59NH Magnetics, a division of Spang & Co.	4,301	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	1.839" (46.70mm)	59 nH	±8%	Ungapped	-	26	-	107.0	199.0	427.0	21300.0	Coated	0.709" (18.00mm)	-	-
C055109A2 FERRITE CORE TOROID 156NH MPP Magnetics, a division of Spang & Co.	3,913	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.285" (58.04mm)	156 nH	±8%	Ungapped	-	125	-	143.0	144.0	-	20700.0	Coated	0.585" (14.86mm)	-	-
C058195A2 FERRITE CORE TOROID 287NH HI FLX Magnetics, a division of Spang & Co.	4,942	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	2.252" (57.20mm)	287 nH	±8%	Ungapped	-	125	-	125.0	229.0	-	28600.0	Coated	0.598" (15.20mm)	-	-

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.