Ferrite Cores

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of 7

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	Minimum Core Cross Section (Amin) mm²	Effective Magnetic Volume (Ve) mm³	Finish	Height	Length	Width
B64290L0618X830 FERRITE CORE TOROID 4.62UH N30 EPCOS - TDK Electronics	3,240 In Stock	1 : $2.62000 Bulk	TX25.3/14.8/10	Bulk	Active	Toroid	-	N30	1.047" (26.60mm)	4.62 µH	±25%	Ungapped	4300	1.17	60.07	51.26	-	3079.0	Epoxy	0.433" (11.00mm)	-	-
B64290L0618X035 FERRITE CORE TOROID 5.4UH T35 EPCOS - TDK Electronics	3,475 In Stock	1 : $3.01000 Bulk	TX25.3/14.8/10	Bulk	Active	Toroid	-	T35	1.047" (26.60mm)	5.4 µH	±25%	Ungapped	5000	1.17	60.07	51.26	-	3079.0	Epoxy	0.433" (11.00mm)	-	-
B64290L0618X038 FERRITE CORE TOROID 10.7UH T38 EPCOS - TDK Electronics	3,691 In Stock	1 : $4.24000 Bulk	TX25.3/14.8/10	Bulk	Active	Toroid	-	T38	1.047" (26.60mm)	10.7 µH	±30%	Ungapped	10000	1.17	60.07	51.26	-	3079.0	Epoxy	0.433" (11.00mm)	-	-
B64290L0618X027 FERRITE CORE TOROID 2.15UH N27 EPCOS - TDK Electronics	1,670 In Stock	1 : $2.39000 Box	TX25.3/14.8/10	Box	Active	Toroid	-	N27	1.047" (26.60mm)	2.15 µH	±25%	Ungapped	2000	1.17	60.07	51.26	51.26	3079.0	Epoxy	0.433" (11.00mm)	-	-
B64290L0618X087 FERRITE CORE TOROID 2.36UH N87 EPCOS - TDK Electronics	12,208 In Stock	1 : $2.52000 Box	TX25.3/14.8/10	Box	Active	Toroid	-	N87	1.047" (26.60mm)	2.36 µH	±25%	Ungapped	2200	1.17	60.07	51.26	-	3079.0	Epoxy	0.433" (11.00mm)	-	-
B64290L0618X065 FERRITE CORE TOROID 5.35UH T65 EPCOS - TDK Electronics	1,009 In Stock	1 : $2.10000 Box	TX25.3/14.8/10	Box	Active	Toroid	-	T65	1.047" (26.60mm)	5.35 µH	±30%	Ungapped	5000	1.17	60.07	51.26	-	3079.0	Epoxy	0.433" (11.00mm)	-	-
B64290L0618X037 FERRITE CORE TOROID 6.97UH T37 EPCOS - TDK Electronics	2,448 In Stock	1 : $3.23000 Bulk	TX25.3/14.8/10	Bulk	Active	Toroid	-	T37	1.047" (26.60mm)	6.97 µH	±25%	Ungapped	6500	1.17	60.07	51.26	-	3079.0	Epoxy	0.433" (11.00mm)	-	-

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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.