B B1 MAGNETIC MATERIAL + CORES MAGNETIC MATERIAL B1.1 FERROCARIT | FI 326 A low to medium frequency power material with lowest power losses around 140°C Suitable for power transformers in a frequency range up to 0,3 MHz SYM BOL VALUE U N IT µi 1500 ± 25% 1 ta n δ / µ i < 5 10 ηB 10 -6 -6 / mT C O N D IT IO N S Complex permeability 10000 2 5 °C ; ≤ 1 0 k H z ≤ 0 ,2 5 m T 100 °C 2 5 °C ; 0 ,1 M H z ≤ 0 ,2 5 m T 25 °C 2 5 °C ; 1 0 k H z ≤ 1 ,5 m T to 3 m T 1000 µ`µ`` 2 5 °C ; 1 6 k H z 440 B 2 5 0 A /m mT 1 4 0 °C ; 1 6 kH z > 310 100 2 5 0 A /m 100 °C 2 5 °C ; 1 0 0 k H z 900 m W / cm ³ Pv 400 200 m T 1 4 0 °C ; 1 0 0 kH z 200 m T 250 Tc 10 100 1 0 kH z ≤ 0 ,2 5 m T °C µ` µ`` 25 °C 1000 f / kHz Initial permeability µi as a function of temperature T 10000 Amplitude permeability µa 7000 5000 6000 4000 200 mT 5000 100 mT µa 3000 50 mT µi 4000 300 mT 2000 3000 1000 2000 f =16 kHz 1000 0 0 50 100 150 T / °C 200 250 20 300 Magnetization curves 40 60 80 100 T / °C 120 140 160 180 Incremental permeability 10000 500 400 1000 µΔ B / mT 300 200 100 100 25 °C 140°C Frequency: 10 kHz Induction: ≤ 0,2 mT 0 10 -50 0 50 100 150 200 H / A/m 250 300 350 400 1 10 100 H_ / A/m 147 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 200 mT 1000 100 100 mT 10 Pv / mW/cm³ Pv / mW/cm³ 100 mT 50 mT 50 mT 100 10 25°C 140°C f = 100 kHz 1 1 20 40 60 80 100 T / °C 120 140 160 10 180 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 120 140 160 180 200 148 100 f / kHz 1000