B B1 MAGNETIC MATERIAL + CORES MAGNETIC MATERIAL B1.2 PLASTOFERRITE | FI 520 A material with a considerable wide-band property up to MHz-range and high temperature-consistency of permeability nearly up to Curie-temperature. For use in sensors or magnetically active coil formers with the possibility of free shaping Symbol Value Unit µi 20 ± 10% 1 tan δ / µi < 3500 ηB < 700 Conditions Complex permeability 100 25°C ; <= 10 kHz <= 0,25 mT 10 -6 -6 <= 0,25 mT / mT mT Rspez. > 3,0 aF < 30 Tc 150 25°C ; 20 kHz <=1,5mT to 3mT 25°C ; 16 kHz 280 B 25°C ; 10 MHz µ`µ`` 10 10 30000 A/m µ` µ`` Ωm 10 -6 /k -25° - 70°C 1 10 °C 100 f / MHz Initial permeability µi as a function of temperature T 1000 Magnetization curves 300 20 200 µi B / mT 30 100 10 0 -5000 0 -50 0 50 T / °C 100 150 176 0 5000 10000 15000 H / A/m 20000 25000 30000