32 SAMWHA ELECTRONICS Material Characteristics Ni-Zn Material Material SN-03HT μiac Initial permeability Relative loss factor 280 ±20% tanδ/μiac ×10 25℃ 20 (0.9MHz) Saturation flux density (1194A/m) Bs mT 25℃ 360 Remanence Br mT 25℃ 280 Coercivity Hc A/m 25℃ 48 Relative temp. factor (20℃∼60℃) -6 ×10 /℃ 5∼10 Curie Temperature Tc ℃ >220 Density d ㎏/㎥ Resistivity ρ ㏁·m -6 αμr 5.0×103 25℃ >10 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 1000 1800 1400 Initial permeability, μ iac Complex permeability, μ',μ" 1600 800 600 400 μ' μ" 200 1200 1000 800 600 400 200 0 100k 1M 0 10M 0 50 tan δ/μ i vs. Frequency 150 200 250 Bm-Hm Curve 400 10 0 350 10-1 25℃ 300 Bm(mT) Relative loss factor, tan δ/μ i 100 Temperature (℃) Frequency (Hz) 10-2 10-3 250 100℃ 200 150 100 10-4 10-5 100k 50 0 1M Frequency (Hz) 10M 0 200 400 600 Hm(A/m) 800 1000 1200