B B1 CORES AND KITS MAGNETIC MATERIAL B1.2 PLASTOCOMPOSITE | FI 541 A material with best Bmax, low losses and best mechanical tolerances. Optimally suitable for use at high temperature applications. Symbol µi Value Unit 22 ± 10% Conditions Complex permeability 100 25°C; ≤ 10 kHz 1 ≤ 0,25 mT tan δ / µi 25°C; 10 MHz -6 < 3000 10 ≤ 0,25 mT µ`µ`` ηB 25°C; 16 kHz 850 B 10 60 kA/m mT Rspez ≈ 107 Ωm αF < 40 -6 10 / k -25°C - 70°C Tmax 230 °C continuous operation µ` µ`` 1 10 100 f / MHz 1000 Magnetization curves Initial permeability µi as a function of temperature T 30 1000 800 20 µi B / mT 600 400 10 200 0 0 -50 0 50 100 T / °C 150 200 -10 250 0 10 20 Incremental permeability µΔ as a function of premagnetization H 100 kHz µΔ PV / mW/cm 3 20 10 ΔB=2mT 1000 40 50 60 Spezific power loss PV as a function of frequency f and induction BS 10000 30 0 100 30 H / kA/m 10000 1000 10 kHz 100 T=25°C 10 100000 HDC / A/m -1- 40 kHz 10 100 BS / mT 1000