28 SAMWHA ELECTRONICS Material Characteristics Ni-Zn Material Material MC-1SD μiac Initial permeability Relative loss factor 70 ±25% tanδ/μiac ×10 25℃ 30 (10MHz) -6 Saturation flux density (1194A/m) Bs mT 25℃ 250 Remanence Br mT 25℃ 110 Coercivity Hc A/m 25℃ 170 Relative temp. factor (20℃∼60℃) αμr ×10 /℃ 70∼90 -6 Curie Temperature Tc ℃ Density d kg/m Resistivity ρ ㏁·m >400 4.7×103 3 25℃ >10 Note : 1) Typical values 2) The values were obtained with toroidal cores(30X8-20H) at room temperature unless indicated otherwise Permeability vs. Temperature 100 800 80 Initial permeability, μ iac Complex permeability, μ',μ" Permeability vs. Frequency 1000 600 400 μ' 200 60 40 20 μ" 0 100k 1M 10M 0 100M 0 50 100 tan δ/μ i vs. Frequency 200 250 300 350 400 450 Bm vs. Hm 400 10 -0 350 10-1 300 Bm(mT) Relative loss factor, tan δ/μ i 150 Temperature (℃) Frequency (Hz) 10 -2 10-3 25℃ 250 200 100℃ 150 100 10-4 10-5 100k 50 0 1M Frequency (Hz) 10M 0 200 400 600 Hm(A/m) 800 1000 1200