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
0078616A7 FERRITE CORE TOROID 126NH XFLUX Magnetics, a division of Spang & Co.	2,697	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.484" (63.09mm)	126 nH	±8%	Ungapped	-	40	-	144.0	360.0	-	51800.0	Coated	1.020" (25.91mm)	-	-
0070431A7 KOOL MU ULTRA 040 PERM BLACK Magnetics, a division of Spang & Co.	1,573	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	Kool Mµ	1.840" (46.74mm)	93 nH	±8%	Ungapped	-	40	-	107.0	198.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0070440A7 KOOL MU ULTRA 026 PERM BLACK Magnetics, a division of Spang & Co.	2,164	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	Kool Mµ	1.840" (46.74mm)	60 nH	±8%	Ungapped	-	26	-	107.0	198.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0074072A7 X FLUX ULTRA 060 PERM BROWN 070 Magnetics, a division of Spang & Co.	3,267	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	X FLUX ULTRA	2.677" (68.00mm)	150 nH	±8%	Ungapped	-	60	-	158.0	314.0	-	49700.0	Uncoated	0.787" (20.00mm)	-	-
0079908A7 FERRITE CORE TOROID 37NH KOOL MU Magnetics, a division of Spang & Co.	2,744	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	3.108" (78.94mm)	37 nH	±8%	Ungapped	-	26	-	196.0	221.0	-	43400.0	Coated	0.670" (17.02mm)	-	-
MACC0010 FERRITE CORE U AMORPHOUS Magnetics, a division of Spang & Co.	2,129	-	RFQ	Datasheet	-	Bulk	Active	U	-	Amorphous	-	-	-	Ungapped	-	-	-	154.0	180.0	-	-	Uncoated	1.240" (31.50mm)	1.398" (35.50mm)	0.787" (20.00mm)
0078777A7 FERRITE CORE TOROID 205NH XFLUX Magnetics, a division of Spang & Co.	1,613	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.108" (78.94mm)	205 nH	±8%	Ungapped	-	60	-	177.2	492.0	-	81500.0	Coated	1.057" (26.85mm)	-	-
0R49925IC I CORE Magnetics, a division of Spang & Co.	3,861	-	RFQ	Datasheet	-	Bulk	Active	I	-	R	-	5.707 µH	-	Ungapped	-	2300	-	245.0	645.0	645.0	158000.0	Uncoated	1.000" (25.40mm)	4.000" (101.60mm)	1.000" (25.40mm)
0070191A7 KOOL MU ULTRA 026 PERM BLACK Magnetics, a division of Spang & Co.	1,790	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	Kool Mµ	2.250" (57.15mm)	60 nH	±8%	Ungapped	-	26	-	125.0	229.0	-	28600.0	Uncoated	0.600" (15.24mm)	-	-
0070192A7 KOOL MU ULTRA 060 PERM BLACK Magnetics, a division of Spang & Co.	2,868	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	Kool Mµ	2.250" (57.15mm)	138 nH	±8%	Ungapped	-	60	-	125.0	229.0	-	28600.0	Uncoated	0.600" (15.24mm)	-	-

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.