B B1 MAGNETIC MATERIAL + CORES MAGNETIC MATERIAL B1.3 FERROCARIT | FE 892 A material with high thermal and temporal stability, for high AC amplitudes or high premagnetization. For use in noise suppression chokes for dimmers SYMBOL VALUE UNIT µi 100 ± 15% 1 tanδ / µ i 1600 10 µa 310 1 CONDITIONS Initial permeability µi as a function of frequency f 120 25°C ; ≤ 10 kHz ≤ 0,25 mT -6 ≤ 0,25 mT 80 25°C ; 1 kHz 500 mT 60 µi 25°C ; 10 kHz 70 2000 A/m 1 µΔ 100 25°C ; 0,16 MHz 40 25°C ; 10 kHz 36 5000 A/m aF ≤ 18 Tmax 200 10 -6 /K 20 25°C - 70°C ≤ 10 kHz; ≤ 0,25 mT 0 10 °C Incremental permeability µΔ as a function of premagnetization H 100 f / kHz 1000 Amplitude permeability µa as a function of induction Bs 350 120 300 100 250 200 µa µΔ 80 60 150 40 100 20 50 ΔB = 2 mT f = 1 kHz 0 0 100 1000 H_ / A/m 10 10000 Magnetization curves 100 Bs / mT 1000 Amplitude permeability µa as a function of magnetic field strength Hs 2000 350 1800 300 1600 1400 250 200 1000 µa B / mT 1200 150 800 600 100 400 50 200 0 -5000 f = 1 kHz 0 5000 10000 15000 H / A/m 20000 25000 0 100 30000 187 1000 Hs / A/m 10000 B B1 MAGNETIC MATERIAL + CORES MAGNETIC MATERIAL Spezific power loss Pv as a function of frequency f and induction Bs 10 0 kH z 1000 10 kH z 40 Pv / mW/cm³ kH z 10000 100 10 10 100 Bs / mT 1000 188