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

B64290A0618X830 FERRITE CORE TOROID 4.62UH N30 EPCOS - TDK Electronics	829 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)	-	-
B64290A0618X033 FERRITE CORE TOROID EPCOS - TDK Electronics	329 In Stock	1 : $2.81000 Box	T25.3/14.8/15	Box	Active	Toroid	-	-	-	-	-	Ungapped	-	-	-	-	-	Uncoated	-	-	-
B64290A0618X087 FERRITE CORE TOROID 2.36UH N87 EPCOS - TDK Electronics	0 In Stock Check Lead Time	2,000 : $1.06357 Box	T25.3/14.8/15	Box	Active	Toroid	R 25.3 x 14.8 x 10	N87	0.996" (25.30mm)	2.36 µH	±25%	Ungapped	2200	1.17	60.07	51.26	3079.0	Uncoated	0.394" (10.00mm)	-	-
B64290A0618X035 FERRITE CORE TOROID 5.4UH T35 EPCOS - TDK Electronics	0 In Stock Check Lead Time	1,200 : $1.41821 Box	T25.3/14.8/15	Box	Active	Toroid	R 25.3 x 14.8 x 10	T35	0.996" (25.30mm)	5.4 µH	±25%	Ungapped	5000	1.17	60.07	51.26	3079.0	Uncoated	0.394" (10.00mm)	-	-
B64290A0618X037 FERRITE CORE TOROID 6.97UH T37 EPCOS - TDK Electronics	0 In Stock Check Lead Time	1,200 : $1.52588 Box	T25.3/14.8/15	Box	Active	Toroid	R 25.3 x 14.8 x 10	T37	0.996" (25.30mm)	6.97 µH	±25%	Ungapped	6500	1.17	60.07	51.26	3079.0	Uncoated	0.394" (10.00mm)	-	-
B64290A0618X038 FERRITE CORE TOROID 10.7UH T38 EPCOS - TDK Electronics	0 In Stock Check Lead Time	2,000 : $1.63466 Box	T25.3/14.8/15	Box	Active	Toroid	R 25.3 x 14.8 x 10	T38	0.996" (25.30mm)	10.7 µH	±30%	Ungapped	10000	1.17	60.07	51.26	3079.0	Uncoated	0.394" (10.00mm)	-	-
B64290A0615X087 FERRITE CORE TOROID 3.5UH N87 EPCOS - TDK Electronics	0 In Stock Check Lead Time	810 : $1.66956 Box	T25.3/14.8/15	Box	Active	Toroid	R 25.3 x 14.8 x 15	N87	0.996" (25.30mm)	3.5 µH	±25%	Ungapped	2200	0.78	60.07	76.89	4619.0	Uncoated	0.591" (15.00mm)	-	-
B64290A0618X097 FERRITE CORE TOROID EPCOS - TDK Electronics	0 In Stock Check Lead Time	1,200 : $1.91068 Box	T25.3/14.8/15	Box	Active	Toroid	-	-	-	-	-	Ungapped	-	-	-	-	-	Uncoated	-	-	-

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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.