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
0079055A7 KOOL MU MAX 075 PERM BLACK 050 S Magnetics, a division of Spang & Co.	3,269	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	0.500" (12.70mm)	34 nH	±8%	Ungapped	-	75	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0079052A7 KOOL MU MAX 026 PERM BLACK 050 S Magnetics, a division of Spang & Co.	3,805	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	0.500" (12.70mm)	12 nH	±8%	Ungapped	-	26	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0079051A7 KOOL MU MAX 060 PERM BLACK 050 S Magnetics, a division of Spang & Co.	4,217	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	0.500" (12.70mm)	27 nH	±8%	Ungapped	-	60	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
NL41510UG RM NH CORE Magnetics, a division of Spang & Co.	3,084	-	RFQ	Datasheet	-	Bulk	Active	RM	-	L	-	770 nH	±25%	Ungapped	-	900	-	23.2	24.8	18.1	574.0	Uncoated	0.205" (5.20mm)	0.575" (14.60mm)	0.268" (6.80mm)
ZR42508TC TOROID GREY COATED Magnetics, a division of Spang & Co.	4,933	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	1.035" (26.29mm)	2.22 µH	±25%	Ungapped	-	2300	-	61.5	47.5	-	2921.0	Epoxy	0.419" (10.65mm)	-	-
EQK3222I060 KOOL MU 060 PERM EQ 3222 SIZE I Magnetics, a division of Spang & Co.	1,104	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
EQK2619E026L070 KOOL MU 026 PERM EQ 2619 SIZE Magnetics, a division of Spang & Co.	3,010	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mu	-	111 nH	-	Ungapped	-	26	-	42.3	120.0	-	5070.0	Uncoated	0.276" (7.00mm)	1.043" (26.50mm)	0.748" (19.00mm)
EQK2619E040L070 KOOL MU 040 PERM EQ 2619 SIZE Magnetics, a division of Spang & Co.	2,739	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mu	-	142 nH	-	Ungapped	-	40	-	42.3	-	-	5070.0	Uncoated	0.748" (19.00mm)	1.043" (26.50mm)	-
EQK2619E060L070 KOOL MU 060 PERM EQ 2619 SIZE Magnetics, a division of Spang & Co.	3,663	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mu	-	213 nH	-	Ungapped	-	60	-	42.3	-	-	5070.0	Uncoated	0.748" (19.00mm)	1.043" (26.50mm)	-
0P41107UG POT CORE Magnetics, a division of Spang & Co.	4,721	-	RFQ	Datasheet	-	Bulk	Active	P	-	P	0.437" (11.10mm)	1.667 µH	-	Ungapped	-	2500	-	15.5	16.2	13.2	251.0	Uncoated	0.128" (3.25mm)	-	-

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.