46 SAMWHA ELECTRONICS Material Characteristics Mg-Zn Material Material SY-08N μiac Initial permeability Relative loss factor 700 ±20% tanδ/μiac ×10 25℃ 30 (0.1MHz) Saturation flux density (1194A/m) Bs mT 25℃ 240 Remanence Br mT 25℃ 160 Coercivity Hc A/m 25℃ 30 Relative temp. factor (20℃∼60℃) αμr -6 ×10 /℃ 10 -6 Curie Temperature Tc ℃ Density d ㎏/㎥ Resistivity ρ ㏁·m >110 4.6 ×103 25℃ >1.0 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 1400 1000 800 1000 Initial permeability, μ iac Complex permeability, μ',μ" 1200 μ' 800 600 400 μ" 200 0 100k 1M 600 400 200 0 10M 0 25 50 Bm-Hm Curve 300 10 6 100 125 tan δ/μ i vs. Frequency 25℃ 250 105 200 Bm(mT) tan δ/μ i (x10-6) 75 Temperature (℃) Frequency (Hz) 104 103 80℃ 100 102 101 100k 150 50 0 1M Frequency (Hz) 10M -200 0 200 400 600 Hm(A/m) 800 1000 1200