The BW1185J2 is a ceramic-metal teriode of coaxial structure, hyper vapor cooling anode metal-ceramic triode. Mainly used as vibration for the industry high frequency heating equipment. The anode dissipation power is 120kW, max frequency is 30MHz Electrical Filament thoriated tungsten Filament voltage 12. 6V Filament current 360-390A (Va=10KV, la=8. 0A) 160mA/V Amplification factor (Va=10KV, la=8. 0A 41 Inter-electrode capacitances Grid to filament 180pF Anode to filament 3. 4pF Grid to anode 60pF Mechanical Overall length 419 Overall diameter 190 Net weight 15. 5Kg