B B1 CORES AND KITS MAGNETIC MATERIAL NEW FERROCART | FE 886 Medium permeability material for best premagnetization VALUE UNIT 1 60 ± 15% µi tanδ / µi 700 µa 67 10 25°C ; 10 kHz 5000 A/m 1 25°C ; 10 kHz 40 150 10 1 kHz 500 mT 1 Tmax 25°C ; 0,16 MHz ≤ 0,25 mT 1 µΔ <6 Complex permeability 100 ≤ 0,25 mT -6 55 αF CONDITIONS 25°C ; ≤ 10 kHz µ`µ`` SYMBOL 10000 A/m 10 -6 25°C - 70°C /K µ µ`` ≤ 10 kHz; ≤ 0,25 mT 0,1 °C 10 Incremental permeability µΔ as a function of premagnetization H 1000 Amplitude permeability µa as a function of induction Bs 100 100 100 f / kHz 90 80 80 70 60 60 µa µΔ 50 40 40 30 20 20 f = 1 kHz 10 ΔB = 2 mT 0 0 100 1000 HDC / A/m 10 10000 Magnetization curves 2000 100 1800 1600 100 Bs / mT 1000 Amplitude permeability µa as a function of magnetic field strength Hs 80 1400 60 1000 µa B / mT 1200 800 40 600 20 400 f = 1kHz 200 0 -10000 0 10000 20000 30000 40000 50000 60000 70000 80000 H / A/m -1- 0 100 1000 Hs / A/m 10000 B B1 CORES AND KITS MAGNETIC MATERIAL Unipolar losses (20% ripple) 1000 1000 z 25 kH Pv / mW/cm³ 100 10 10 2000 3000 HDC / A/m 4000 5000 Spezific power loss Pv as a function of frequency f and induction Bs 10000 10 0 kH z 1000 10 kH z 40 kH z Pv / mW/cm³ z 50 kH z 25 kH 1 1000 Pv / mW/cm³ z 100 kH z 75 kH z 100 kH z H k 5 7 z 50 kH 100 Unipolar losses (30% ripple) 100 10 10 100 Bs / mT 1000 -2- 1 1000 2000 3000 HDC / A/m 4000 5000