34 SAMWHA ELECTRONICS Material Characteristics Ni-Zn Material Material L-81 μiac Initial permeability Relative loss factor 350 ±25% tanδ/μiac ×10 25℃ 25 (1.0MHz) -6 Saturation flux density (1194A/m) Bs mT 25℃ 330 Remanence Br mT 25℃ 80 Coercivity Hc A/m 25℃ 48 Relative temp. factor (20℃∼60℃) ×10 /℃ 5∼10 Curie Temperature Tc ℃ >170 Density d ㎏/㎥ Resistivity ρ ㏁·m αμr -6 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. Temperature 600 800 500 Initial permeability, μ iac Complex permeability, μ',μ" Permeability vs. Frequency 1000 600 μ' 400 200 0 μ" 100k 1M 400 300 200 100 0 10M 0 50 tan δ/μ i vs. Frequency 150 200 Bm vs. Hm 400 10 0 350 10-1 25℃ 300 Bm(mT) Relative loss factor, tan δ/μ i 100 Temperature (℃) Frequency (Hz) 10-2 10-3 100℃ 250 200 150 100 10-4 10-5 100k 50 0 1M Frequency (Hz) 10M 0 200 400 600 Hm(A/m) 800 1000 1200