B B1 MAGNETIC MATERIAL + CORES MAGNETIC MATERIAL B1.1 FERROCARIT | FI 262 A medium permeability MnZn ferrite for broadband filters and tuning material for frequencies up to 2 MHz SYM BOL VALUE U N IT µi 650 ± 20% 1 ta n δ / µ i < 50 10 C O N D IT IO N S Complex permeability 10000 2 5 °C ; ≤ 1 0 k H z ≤ 0 ,2 5 m T 2 5 °C ; 1 ,6 M H z ≤ 0 ,2 5 m T -6 1000 ηB mT Pv m W / cm ³ µ`µ`` 2 5 °C ; 1 6 k H z 480 B 3 0 0 0 A /m 100 10 µ` µ`` 1 290 Tc 0,1 °C Initial permeability µi as a function of temperature T 1 f / MHz 10 Relative loss factor as a function of frequency f 1000 1200 1000 tanδ/µi / 10-6 µi 800 600 100 400 200 0 10 -50 0 50 100 150 200 250 300 0,1 T / °C Magnetization curves 1 f / MHz 10 specific impedance 1000 500 400 |z| / Ω/cm B / mT 100 300 . 200 10 100 0 -100 1 0 100 200 300 400 500 H / A/m 600 700 800 0,1 900 1000 157 1 f / MHz 10