Ferrite Cores

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of 11

Mfr Part #	Quantity Available	Price	Tariff Status	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
B64290L0038X087 FERRITE CORE TOROID 900NH N87 TDK	9,212 In Stock	1 : $0.34000 Bulk	-	TX10/6/4	Bulk	Active	Toroid	-	N87	0.425" (10.80mm)	900 nH	±25%	Ungapped	2200	3.07	24.07	7.83	188.0	Epoxy	0.187" (4.75mm)	-	-
B64290L0038X830 FERRITE CORE TOROID 1.76UH N30 TDK	11,956 In Stock	1 : $0.37000 Bulk	-	TX10/6/4	Bulk	Active	Toroid	-	N30	0.425" (10.80mm)	1.76 µH	±25%	Ungapped	4300	3.07	24.07	7.83	188.0	Epoxy	0.187" (4.75mm)	-	-
B64290L0038X049 FERRITE CORE TOROID 610NH N49 TDK	32,532 In Stock	1 : $0.54000 Box	-	TX10/6/4	Box	Active	Toroid	-	N49	0.425" (10.80mm)	610 nH	±25%	Ungapped	1500	3.07	24.07	7.83	188.0	Epoxy	0.187" (4.75mm)	-	-
B64290L0038X035 FERRITE CORE TOROID 2.46UH T35 TDK	17,256 In Stock	1 : $0.55000 Box	-	TX10/6/4	Box	Active	Toroid	-	T35	0.425" (10.80mm)	2.46 µH	±25%	Ungapped	6000	3.07	24.07	7.83	188.0	Epoxy	0.187" (4.75mm)	-	-
B64290A0038X038 FERRITE CORE TOROID 4.09UH T38 TDK	2,025 In Stock	1 : $0.55000 Box	-	T10/6/4	Box	Active	Toroid	R 10 x 6 x 4	T38	0.394" (10.00mm)	4.09 µH	±30%	Ungapped	10000	3.07	24.07	7.83	188.0	Uncoated	0.157" (4.00mm)	-	-
B64290L0038X037 FERRITE CORE TOROID 2.66UH T37 TDK	11,964 In Stock	1 : $0.54000 Box	-	TX10/6/4	Box	Active	Toroid	-	T37	0.425" (10.80mm)	2.66 µH	±25%	Ungapped	6500	3.07	24.07	7.83	188.0	Epoxy	0.187" (4.75mm)	-	-
B64290L0038X038 FERRITE CORE TOROID 4.09UH T38 TDK	0 In Stock Check Lead Time	1 : $0.45000 Bulk	-	TX10/6/4	Bulk	Active	Toroid	-	T38	0.425" (10.80mm)	4.09 µH	±30%	Ungapped	10000	3.07	24.07	7.83	188.0	Epoxy	0.187" (4.75mm)	-	-
B64290L0082X038 FERRITE CORE TOROID 17.4UH T38 TDK	0 In Stock Check Lead Time	1 : $18.53000 Tray	-	TX50/30/20	Tray	Active	Toroid	-	T38	2.040" (51.80mm)	17.4 µH	±30%	Ungapped	8500	0.62	120.4	195.7	23560.0	Epoxy	0.839" (21.30mm)	-	-
B64290L0082X065 FERRITE CORE TOROID 10UH T65 TDK	0 In Stock Check Lead Time	1 : $12.87000 Box	-	TX50/30/20	Box	Active	Toroid	-	T65	2.040" (51.80mm)	10 µH	±30%	Ungapped	4900	0.62	120.4	195.7	23560.0	Epoxy	0.839" (21.30mm)	-	-
B64290A0038X830 FERRITE CORE TOROID 1.76UH N30 TDK	0 In Stock Check Lead Time	12,000 : $0.12288 Box	-	T10/6/4	Box	Active	Toroid	R 10 x 6 x 4	N30	0.394" (10.00mm)	1.76 µH	±25%	Ungapped	4300	3.07	24.07	7.83	188.0	Uncoated	0.157" (4.00mm)	-	-
B64290L0038X065 FERRITE CORE TOROID 1.9UH T65 TDK	0 In Stock Check Lead Time	12,000 : $0.12350 Box	-	TX10/6/4	Box	Active	Toroid	-	T65	0.425" (10.80mm)	1.9 µH	±30%	Ungapped	4700	3.07	24.07	7.83	188.0	Epoxy	0.187" (4.75mm)	-	-

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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.