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	25,838 In Stock	1 : $1.72000 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)	-	-
B64290L0045X087 FERRITE CORE TOROID 1.42UH N87 EPCOS - TDK Electronics	1,907 In Stock	1 : $1.09000 Bulk	TX16/9.6/6.3	Bulk	Active	Toroid	-	N87	0.677" (17.20mm)	1.42 µH	±25%	Ungapped	2200	1.95	38.52	19.73	760.0	Epoxy	0.287" (7.30mm)	-	-
B64290L0045X830 FERRITE CORE TOROID 2.77UH N30 EPCOS - TDK Electronics	4,163 In Stock	1 : $1.38000 Bulk	TX16/9.6/6.3	Bulk	Active	Toroid	-	N30	0.677" (17.20mm)	2.77 µH	±25%	Ungapped	4300	1.95	38.52	19.73	760.0	Epoxy	0.287" (7.30mm)	-	-
B64290L0045X049 FERRITE CORE TOROID N49 EPCOS - TDK Electronics	1,366 In Stock	1 : $1.63000 Box	TX16/9.6/6.3	Box	Active	Toroid	-	N49	0.677" (17.20mm)	-	-	Ungapped	-	1.95	38.52	19.73	760.0	Epoxy	0.287" (7.30mm)	-	-
B64290L0045X035 FERRITE CORE TOROID 3.87UH T35 EPCOS - TDK Electronics	4,652 In Stock	1 : $1.25000 Bulk	TX16/9.6/6.3	Bulk	Active	Toroid	-	T35	0.677" (17.20mm)	3.87 µH	±25%	Ungapped	6000	1.95	38.52	19.73	760.0	Epoxy	0.287" (7.30mm)	-	-
B64290L0045X037 FERRITE CORE TOROID 4.19UH T37 EPCOS - TDK Electronics	3,802 In Stock	1 : $1.39000 Box	TX16/9.6/6.3	Box	Active	Toroid	-	T37	0.677" (17.20mm)	4.19 µH	±25%	Ungapped	6500	1.95	38.52	19.73	760.0	Epoxy	0.287" (7.30mm)	-	-
B64290L0045X027 FERRITE CORE TOROID 1.29UH N27 EPCOS - TDK Electronics	507 In Stock	1 : $1.25000 Box	TX16/9.6/6.3	Box	Active	Toroid	-	N27	0.677" (17.20mm)	1.29 µH	±25%	Ungapped	2000	1.95	38.52	19.73	760.0	Epoxy	0.287" (7.30mm)	-	-
B64290L0045X065 FERRITE CORE TOROID 3.35UH T65 EPCOS - TDK Electronics	0 In Stock Check Lead Time	4,000 : $0.57723 Box	TX16/9.6/6.3	Box	Active	Toroid	-	T65	0.677" (17.20mm)	3.35 µH	±30%	Ungapped	5200	1.95	38.52	19.73	760.0	Epoxy	0.287" (7.30mm)	-	-
B64290L0045X048 FERRITE CORE TOROID N48 EPCOS - TDK Electronics	0 In Stock Check Lead Time	4,000 : $0.73986 Box	TX16/9.6/6.3	Box	Active	Toroid	-	N48	-	-	-	Gapped	2300	-	-	-	-	Epoxy	-	-	-
TX16/9.6/6.3-3C95 Ferrite Misc Ferroxcube	0 In Stock Check Lead Time	4,200 : $0.85021 Bulk	TX16/9.6/6.3	Bulk	Active	Toroid	TX 16 x 9.6 x 6.3	3C95	0.659" (16.75mm)	-	-	Ungapped	-	1.95	38.5	19.7	760.0	Epoxy	0.274" (6.95mm)	-	-
TX16/9.6/6.3-3E5 Ferrite Misc Ferroxcube	0 In Stock Check Lead Time	4,200 : $0.87300 Bulk	TX16/9.6/6.3	Bulk	Active	TX	TX 16 x 9.6 x 6.3	3E5	0.640" (16.25mm)	5.47 µH	±30%	Ungapped	8500	1.95	38.5	19.7	760.0	Epoxy	0.258" (6.55mm)	-	-

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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.