38 SAMWHA ELECTRONICS Material Characteristics Ni-Zn Material Material SN-08L μiac Initial permeability Relative loss factor -6 tanδ/μiac ×10 Core loss Pcv kW/m3 25℃ Bs 20 (0.1MHz) 50kHz, 150mT, 140℃ 280 100kHz, 100mT, 140℃ 315 Saturation flux density (1194A/m) 800 ±20% mT 25℃ 380 Remanence Br mT 25℃ 300 Coercivity Hc A/m 25℃ 20 Curie Temperature Tc >190 ℃ 3 Density d kg/m Resistivity ρ ㏁·m 5.0×103 25℃ >2.0 Note : 1) Typical values 2) The values were obtained with toroidal cores(30X8-20H) at room temperature unless indicated otherwise Permeability vs. Frequency Permeability vs. Temperature 2000 1800 1000 μ' 1600 Initial permeability, μ iac Complex permeability, μ',μ" 1200 800 600 μ" 400 200 1400 1200 1000 800 600 400 200 0 100k 1M 0 10M 0 50 Core loss vs. Temperature 350 350 50kHz, 150mT 250 50kHz, 100mT 250 100℃ 200 150 100 50 150 100 25℃ 300 Bm(mT) Core loss, Pcv (kW/m3) 100kHz, 200mT 400 200 200 Bm vs. Hm 450 300 150 400 550 500 100 Temperature (℃) Frequency (Hz) 0 20 40 60 80 100 Temperature (℃) 120 140 0 200 400 600 Hm(A/m) 800 1000 1200