... , high permeability, low coercivity, low loss and good stability. Amorphous and Nanocrystalline Soft Magnetic Alloy Core 1. Material Grade: 1K ... common mode inductance and differential-mode inductance, ISDN miniature isolation transformer, leakage protection switch, and so on. 3. Specifications and ... outside diameter of iron core can up to 1200mm. Amorphous and Nanocrystalline Soft Magnetic Alloy Core