B B1 MAGNETIC MATERIAL + CORES MAGNETIC MATERIAL B1.1 FERROCARIT | FI 335 A low to medium frequency power material with low losses and high saturation flux density in a operating frequency range up to 0,4 MHz SYMBOL VALUE UNIT µi 2000 1 tan δ / µ i 2,6 10 0,35 -6 10 Complex permeability 10000 ≤ 0,25 mT 100 °C 25°C ; 0,1 MHz ≤ 0,25 mT -6 25 °C 1000 25°C ; 10 kHz ≤ 1,5mT to 3mT / mT 25°C ; 16 kHz 470 B µ`µ`` ηB CONDITIONS 25°C ; ≤ 10 kHz 250 A/m mT 100 100°C ; 16 kHz > 350 100 °C 250 A/m 10 100°C ; 100 kHz < 450 µ` µ`` 100°C ; 200 kHz < 190 100 mT 230 Tc 25 °C 200 mT mW / cm ³ Pv 1 100 10 kHz ≤ 0,25 mT °C 1000 f / kHz Initial permeability µi as a function of temperature T 10000 Amplitude permeability µa 6000 4000 5000 3000 4000 200 mT 300 mT µi µa 5000 2000 3000 1000 2000 100 mT 50 mT f = 16 kHz 0 1000 0 50 100 150 200 250 20 40 60 80 100 120 T / °C T / °C Magnetization curves Incremental permeability 500 10000 400 1000 µΔ B / mT 300 200 100 100 25 °C 100 °C Frequency: 10 kHz Induction: ≤ 0,2 mT 0 10 -50 0 50 100 150 H / A/m 200 250 300 1 10 100 H_ / A/m 139 1000 B B1 MAGNETIC MATERIAL + CORES MAGNETIC MATERIAL Specific power loss Pv as a function of temperature T 1000 10000 Specific power loss Pv as a function of frequency f and induction B 200 mT 100kHz / 200mT 100 mT 200kHz / 100mT 400kHz / 50mT 100 100kHz / 100mT Pv / mW/cm³ Pv / mW/cm³ 1000 50 mT 100 25 mT 10 25 °C 100 °C 10 20 40 60 80 T / °C 100 120 1 100 140 Induction Bmax as a function of temperature T at 250 A/m 500 450 400 Bmax / mT 350 300 250 200 150 100 50 f = 16 kHz 0 0 20 40 60 80 100 T / °C 120 140 160 180 200 140 f / kHz 1000