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

B64290L0045X038 FERRITE CORE TOROID 6.44UH T38 EPCOS - TDK Electronics	28,108 In Stock	1 : ¥8.16000 Bulk	TX16/9.6/6.3	Bulk	Active	Toroid	-	T38	0.677" (17.20mm)	6.44 µH	±30%	Ungapped	10000	1.95	38.52	19.73	760.0	Epoxy	0.287" (7.30mm)	-	-
B64290L0632X038 FERRITE CORE TOROID 9.74UH T38 EPCOS - TDK Electronics	1,381 In Stock	1 : ¥11.82000 Box	TX20/10/7	Box	Active	Toroid	-	T38	0.835" (21.20mm)	9.74 µH	±30%	Ungapped	10000	1.3	43.55	33.63	1465.0	Epoxy	0.319" (8.10mm)	-	-
B64290L0618X038 FERRITE CORE TOROID 10.7UH T38 EPCOS - TDK Electronics	1,998 In Stock	1 : ¥20.83000 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)	-	-
B64290L0044X038 FERRITE CORE TOROID 5.11UH T38 EPCOS - TDK Electronics	11,948 In Stock	1 : ¥4.25000 Bulk	TX12.5/7.5/5	Bulk	Active	Toroid	-	T38	0.535" (13.60mm)	5.11 µH	±30%	Ungapped	10000	2.46	30.09	12.23	368.0	Epoxy	0.234" (5.95mm)	-	-
B64290L0038X046 FERRITE CORE TOROID 6UH T46 EPCOS - TDK Electronics	7,687 In Stock	1 : ¥4.59000 Box	TX10/6/4	Box	Obsolete	Toroid	-	T46	0.425" (10.80mm)	6 µH	±30%	Ungapped	15000	3.07	24.07	7.83	188.0	Epoxy	0.187" (4.75mm)	-	-

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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.