B B1 MAGNETIC MATERIAL + CORES MAGNETIC MATERIAL B1.1 FERROCARIT | FI 325 A low to medium frequency power material suitable for power and standard transformers in a frequency range up to 0,4 MHz SYMBOL VALUE UNIT µi 1800 ± 25% 1 tan δ / µ i < 3,5 ηB < 0,42 10 10 -6 CONDITIONS Complex permeability 10000 25°C ; ≤ 10 kHz ≤ 0,25 mT 100 °C 25°C ; 0,1 MHz ≤ 0,25 mT -6 µ`µ`` 25°C ; 16 kHz 470 B 25 °C 1000 25°C ; 10 kHz ≤ 1,5mT to 3mT / mT 250 A/m mT 100 100 °C 100°C ; 16 kHz ≥ 340 250 A/m 10 25°C ; 200 kHz 320 µ` µ`` 100°C ; 200 kHz 170 100 mT 230 Tc 25 °C 100 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 100 mT 50 mT µi µa 5000 2000 3000 1000 2000 0 1000 f = 16 kHz 0 50 100 150 200 250 20 40 60 T / °C 80 100 120 T / °C Magnetization curves Incremental permeability 500 10000 400 µΔ B / mT 1000 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 149 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 200 mT 100kHz/200mT 100 mT 400kHz/50mT 100 100kHz/100mT Pv / mW/cm³ Pv / mW/cm³ 1000 200kHz/100mT 50 mT 100 25 mT 10 25 °C 100 °C 10 20 40 60 80 T / °C 100 120 1 100 140 1000 f / kHz Induction Bmax as a function of temperature T at 250 A/m Amplitude permeability µa 5000 500 25°C 100°C 450 400 4000 300 3000 µa Bmax / mT 350 250 200 2000 150 100 1000 50 f = 16 kHz 0 0 0 20 40 60 80 100 T / °C 120 140 160 180 200 0 150 100 200 B / mT 300 400