Low Cost Si-Fe Cores (KW Series) is a new generation low cost powder core from KDM. It has a saturation flux density of 14000 Gauss and permeability from 26-60. KW Core has low core loss, and excellent DC-Bias characteristics. KW Core also has excellent temperature stability and high energy storage capability. KW Core is mainly used in high current application, just as UPS, Solar inverter, etc.