24 Jul 20 Pack Ferrite Toroid Cores Sets Transformer Inductor Coil Ring Black
Description:Squareness rate: 10; Bs: 400T; Br: 150mT; Tc: 120°C; : 13A/m; ρ: 4.9g/cm3; μi: 650-1000; Packing List: 20 x Toroids (4 Pieces For Each Size)Advantage: Ferrite cores are dense, homogeneous ceramic structures made by mixing iron oxide (NiZnFe2O4) with oxides of nickel, zinc. Have very...