Application fields: Various common mode EMI filters of power supply. Core material 1K101 1K107 Saturation flux density (T) 0.60.8 1.25 Curie temperature () >320 >570 Crystallization temperature () >500 >500 Saturation magnetostriction coefficient (10-6) < 1 < 2 Remanence (T) 0.30.5 0.50.8 Initial permeability >10,000 >80,000 Maximum permeability >200,000 >600,000 coercivity (A/m) < 2 < 2 Core loss (20 KHz, 0.5 T) (W/Kg) < 25 < 25 Core loss (100 KHz, 0.2 T) (W/Kg) < 60 < 70 Change rate of core loss (-50-130)   15