... coercivity, low loss and good stability. Amorphous and Nanocrystalline Soft Magnetic Alloy Core 1. Material Grade: 1K 107 ... different kinds of switching power supply, control transformer, precision current and voltage transformer, filter inductor, spike suppressor, energy ... mode inductance and differential-mode inductance, ISDN miniature isolation transformer, leakage protection switch, and so on. 3. ...