B B1 MAGNETIC MATERIAL + CORES MAGNETIC MATERIAL B1.1 FERROCARIT | FI 327 A high frequency power material suitable for power and standard transformers in a frequency range of 0,5 to 2 MHz SYMBOL VALUE UNIT µi 1200 ± 25% 1 tan δ / µ i < 2,5 10 < 0,9 -6 10 Complex permeability 10000 ≤ 0,25 mT 25°C ; 0,1 MHz ≤ 0,25 mT -6 100°C 1000 / mT 25°C ; 16 kHz 380 B 25°C 25°C ; 10 kHz ≤ 1,5mT to 3mT µ`µ`` ηB CONDITIONS 25°C ; ≤ 10 kHz 250 A/m mT 100 100°C ; 16 kHz >300 250 A/m 50 mT mW / cm ³ Pv 50 mT 240 µ'' 1 100 10 kHz ≤ 0,25 mT °C µ' 25°C 100°C ; 1000 kHz 540 Tc 100°C 10 25°C ; 1000 kHz 560 1000 f / kHz Initial permeability µi as a function of temperature T 10000 Amplitude permeability µa 2000 2000 200 mT 1800 1600 100 mT 1800 1400 50 mT 1600 1000 µa µi 1200 800 1400 300 mT 600 400 1200 200 f = 16 kHz 0 1000 0 50 100 150 200 250 20 T / °C 40 60 80 100 120 T / °C Magnetization curves Incremental permeability 500 10000 400 1000 µΔ B / mT 300 200 100 100 Frequency: 10 kHz Induction: ≤ 0,2 mT 25 °C 100 °C 0 -100 10 0 100 200 H / A/m 300 400 500 10 145 100 H / A/m 1000 B B1 MAGNETIC MATERIAL + CORES MAGNETIC MATERIAL Spezific power loss Pv as a function of temperature T Spezific power loss Pv as a function of frequency f and induction B 1000 10000 200mT 100mT 1MHz / 50mT 50mT 200kHz / 100mT Pv / mW/cm³ Pv / mW/cm³ 1000 25mT 100 10 500kHz / 50mT 25 °C 100 °C 100 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 120 140 160 180 200 146 1000 f / kHz 10000