Ferrite Cores

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	Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Core Type	Supplier Device Package	Material	Diameter	Inductance Factor (Al)	Tolerance	Gap	Initial Permeability (µi)	Core Factor (ΣI/A) mm⁻¹	Effective Length (le) mm	Effective Area (Ae) mm²	Effective Magnetic Volume (Ve) mm³	Finish	Height	Length	Width
	ZL41605TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,648 In Stock	1 : $2.49000 Bulk	-	Bulk	Active	Toroid	-	L	0.655" (16.64mm)	396 nH	±25%	Ungapped	750	-	37.2	15.6	582.0	Epoxy	0.205" (5.20mm)	-	-
	5980001801 FERRITE CORE TOROID 355NH Fair-Rite Products Corp.	900 In Stock	1 : $3.34000 Bulk	HF	Bulk	Active	Toroid	-	-	0.870" (22.10mm)	355 nH	±25%	Ungapped	550	207.0	54.2	26.1	1420.0	Uncoated	0.250" (6.35mm)	-	-

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Ferrite cores are a magnetic device used in the windings of transformers or other wound components. The chemical makeup of these devices help to prevent eddy currents. These are created in different form factors such as: E, toroid, ER, multi-hole, etc. and come in many different sizes. Key parameters are going to be the size, form factor or core type, and inductance factor.