24 SAMWHA ELECTRONICS Material Characteristics High Q Material Material SM-35T Initial permeability μiac 3500 ±25% Relative loss factor -6 tanδ/μiac ×10 f:100kHz <5 Saturation flux density (1194A/m) Bs mT 25℃ 450 Remanence Br mT 25℃ 50 Coercivity Hc A/m 25℃ 8 -30~20℃ -0.5~0.5 Relative temp. factor αμr ×10-6/℃ 0~20℃ 20~70℃ Hysterisis material constant hB Curie temperature Tc ℃ Density d kg/m3 Resistivity ρ -6 ×10 /mT 0~1.0 10kHz, 25℃ < 0.8 > 160 4.80×103 25℃ Ω·m >5 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 8000 7000 6000 4000 5000 3000 4000 μ" 3000 2000 2000 1000 1000 0 100 101 102 103 Initial permeability, μ iac Complex permeability, μ',μ" 5000 0 104 6000 4000 2000 0 -40 -20 0 20 tan δ/μ i vs. Frequency 60 80 100 120 140 160 180 Bm vs. Hm 10 -2 450 25℃ 400 10-3 350 Bm(mT) Relative loss factor, tan δ/μ i 40 Temperature (℃) Frequency (kHz) 10-4 10-5 300 100℃ 250 200 150 100 10 -6 50 10 0 -7 101 102 Frequency (kHz) 103 0 200 400 600 Hm(A/m) 800 1000 1200