B B1 MAGNETIC MATERIAL + CORES MAGNETIC MATERIAL B1.1 FERROCARIT | FI 150 A low permeability NiZn ferrite for use in RF tuning, broadband and balance-to-unbalance transformers (baluns) SYM BOL VALU E U N IT µi 50 ± 20% 1 ta n δ / µ i < 700 10 C O N D IT IO N S Complex permeability 100 2 5 °C ; ≤ 1 0 k H z ≤ 0 ,2 5 m T 2 5 °C ; 5 0 M H z ≤ 0 ,2 5 m T -6 ηB µ`µ`` 2 5 °C ; 1 6 k H z 300 B 3 0 0 0 A /m mT 10 Pv µ` µ`` 1 430 Tc 10 °C Initial permeability µi as a function of temperature T 100 f / MHz 1000 Relative loss factor as a function of frequency f 1000 140 120 tanδ/µi / 10-6 100 µi 80 60 100 40 20 0 -100 10 0 100 200 T / °C 300 400 1 500 Magnetization curves 10 f / MHz 100 specific impedance 1000 400 300 B / mT |z| / Ω/cm 100 200 . 10 100 0 -2000 1 0 2000 4000 H / A/m 6000 8000 10 10000 169 100 f / MHz 1000