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	Effective Permeability (µe)	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

B64290A0618X830 FERRITE CORE TOROID 4.62UH N30 EPCOS - TDK Electronics	830 In Stock	1 : $1.98000 Bulk	T25.3/14.8/15	Bulk	Active	Toroid	R 25.3 x 14.8 x 10	N30	0.996" (25.30mm)	4.62 µH	±25%	Ungapped	-	4300	1.17	60.07	51.26	3079.0	Uncoated	0.394" (10.00mm)	-	-
TX25/15/10-3C90 FERRITE CORE TOROID 3C90 Ferroxcube	1,400 In Stock	1 : $3.11000 Bulk	-	Bulk	Active	Toroid	TX 25 x 15 x 10	3C90	1.007" (25.95mm)	-	-	-	-	-	-	-	-	-	Epoxy	0.429" (10.90mm)	-	-
TX25/15/10-3E27 FERRITE CORE TOROID 3E+27 Ferroxcube	625 In Stock	1 : $3.37000 Bulk	-	Bulk	Active	Toroid	TX 25 x 15 x 10	3E27	1.007" (25.95mm)	-	±25%	Ungapped	5500.0	-	1.23	60.2	48.9	2944.0	Epoxy	0.429" (10.90mm)	-	-
B64290L0048X830 FERRITE CORE TOROID 5.46UH N30 EPCOS - TDK Electronics	1,410 In Stock	1 : $5.46000 Tray	TX34/20.5/12.5	Tray	Active	Toroid	-	N30	1.397" (35.50mm)	5.46 µH	±25%	Ungapped	-	4300	0.99	82.06	82.6	6778.0	Epoxy	0.535" (13.60mm)	-	-

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Ferrite Cores

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.