3H3 Datasheet PDF

FERROXCUBE DATA SHEET 3H3 Material specification Supersedes data of September 2004 2008 Sep 01 Ferroxcube Material specification 3H3 SPECIFICATIONS A low frequency filter material optimized for frequencies up to 0.2 MHz. CONDITIONS µi B 25 °C; 10 kHz; 1200 A/ m 100 °C; 10 kHz; 1200 A/ m tanδ/µi ηB DF αF 25 °C; 0.25 mT; 30 kHz 25 °C; 0.25 mT; 100 kHz 25 °C; 100 kHz; 1.5 to 3 mT 0.25 mT; 10 kHz: 25 °C 40 °C ≤ 10 kHz; 0.25 mT; 5 to 25 °C 25 to 55 °C 25 to 70 °C DC; 25 °C 10 4 handbook, halfpage µ's , µ'' s 10 3 µs ' µ'' s MBW274 3H3 3H3 VALUE ≈ 360 ≈ 270 ≤ 1.6 × 10− 6 ≤ 2.5 × 10− 6 ≤ 0.6 × 10− 3 ≤ 3 × 10−6 ≤ 3 × 10−6 UNIT mT 25 °C; ≤ 10 kHz; 0.25 mT 2000 ±20% 10 2 T− 1 10 10 1 1 10 f (MHz) 10 2 K− 1 (0.7 ±0.3) × 10− 6 (0.7 ±0.3) × 10− 6 (0.7 ±0.3) × 10− 6 ≈2 ≥ 160 ≈ 4700 Ωm °C kg/m3 ρ TC density Fig.1 Complex permeability as a function of frequency. handbook, halfpage 5000 µi 4000 MBW275 MBW276 3H3 handbook, halfpage 500 B (mT) 400 25 oC 100 oC 3H3 3000 300 2000 200 1000 100 0 50 0 50 150 T ( o C) 250 25 0 25 50 150 H (A/m) 250 Fig.2 Initial permeability as a function of temperature.