20 SAMWHA ELECTRONICS Material Characteristics High Permeability Material Material SM-120 Initial permeability μiac 12000 ±25% Relative loss factor -6 tanδ/μiac ×10 f:10kHz < 4.0 Saturation flux density (1194A/m) Bs mT 25℃ 390 Remanence Br mT 25℃ 80 Coercivity Hc A/m 25℃ 2 Relative temp. factor αμr ×10-6/℃ 20~60℃ -0.2~2.0 Hysterisis material constant hB ×10-6/mT 10kHz, 25℃ < 0.5 Curie temperature Tc ℃ Density d kg/m3 Resistivity ρ > 115 4.95×103 25℃ Ω·m > 0.2 Note : 1) Typical values 2) The values were obtained with toroidal cores(30X8-20H) at room temperature unless indicated otherwise Complex permeability vs. Frequency Permeability vs. Temperature 12500 6000 10000 5000 7500 4000 μ" 3000 5000 2000 2500 0 30000 7000 1000 100 101 102 103 25000 Initial permeability, μ iac Complex permeability, μ',μ" 15000 0 104 20000 15000 10000 5000 0 -40 -20 0 20 tan δ/μ i vs. Frequency 60 80 100 10 140 450 400 10 -2 25℃ 350 10 Bm(mT) -3 10-4 10 -5 300 250 200 100℃ 150 100 10-6 10 120 Bm vs. Hm -1 Relative loss factor, tan δ/μ i 40 Temperature (℃) Frequency (kHz) 50 0 -7 101 102 Frequency (kHz) 103 0 200 400 600 Hm(A/m) 800 1000 1200