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
0055111A2 MPP 026 PERM GREY 109 SIZE Magnetics, a division of Spang & Co.	1,714	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.250" (57.15mm)	33 nH	±8%	Ungapped	-	26	-	143.0	144.0	-	20700.0	Uncoated	0.550" (13.97mm)	-	-
C055120A2 FERRITE CORE TOROID 72NH MPP Magnetics, a division of Spang & Co.	1,864	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.653" (16.59mm)	72 nH	±8%	Ungapped	-	125	-	41.2	19.2	-	791.0	Coated	0.250" (6.35mm)	-	-
CMC040032015H NANOCRYSTAL CORE TOROID 47.2UH Magnetics, a division of Spang & Co.	2,420	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Nanocrystalline	1.575" (40.00mm)	47.2 µH	±30%	Ungapped	-	80000	-	113.0	50.0	-	-	Polyester	0.591" (15.00mm)	-	-
0079737A7 FERRITE CORE TOROID 204NH KOOLMU Magnetics, a division of Spang & Co.	3,444	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.961" (75.21mm)	204 nH	±8%	Ungapped	-	60	-	184.0	497.0	-	91400.0	Coated	1.414" (35.92mm)	-	-
0078337A7 FERRITE CORE TOROID 68NH XFLUX Magnetics, a division of Spang & Co.	2,614	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	5.219" (132.56mm)	68 nH	±8%	Ungapped	-	26	-	324.0	678.0	-	220000.0	Coated	1.000" (25.40mm)	-	-
0058740A2 FERRITE CORE TOROID 425NH HI FLX Magnetics, a division of Spang & Co.	2,963	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	2.961" (75.21mm)	425 nH	±8%	Ungapped	-	125	-	184.0	497.0	-	91400.0	Coated	1.414" (35.92mm)	-	-
FR46410EC E-CORE WITH FLAT BACK Magnetics, a division of Spang & Co.	1,751	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	R	-	14.618 µH	-	Ungapped	-	2300	-	80.2	516.0	516.0	41400.0	Uncoated	0.402" (10.20mm)	2.520" (64.00mm)	2.000" (50.80mm)
0F40200TC TOROID Magnetics, a division of Spang & Co.	1,366	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.100" (2.54mm)	525 nH	±20%	Ungapped	-	3000	-	5.5	0.77	-	4.3	Uncoated	0.050" (1.27mm)	-	-
0P40601TC UNCOATED TOROID Magnetics, a division of Spang & Co.	3,546	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.230" (5.84mm)	488 nH	±25%	Ungapped	-	2500	-	13.0	2.0	-	26.7	Uncoated	0.060" (1.52mm)	-	-
0W40502TC TOROID UNCOATED Magnetics, a division of Spang & Co.	3,863	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.155" (3.94mm)	1.47 µH	±30%	Ungapped	-	10000	-	9.2	1.05	-	9.7	Uncoated	0.050" (1.27mm)	-	-

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.