Beijing Phamitech Electronics ITL12-1 Power Triode ITL12-1 is a forced air cooled, metal/ceramic coaxial power triode, with thoriated-tungsten filament, intended for use in industrial heating, as well as pulse oscillator. Max frequency: 120MHZ, max plate dissipation: 12KW. General Characteristics Typical operation Class C Radio Frequency Oscillator for Industrial applications (30MHZ) Anode voltage 10 8 kV Anode current 4.3 4.8 A Grid bias voltage -640 -560 V 900 V Filament voltage 5.8 V Grid voltage 960 Filament current 145 A Grid current, on load 0.53 Filament surge current 600 A Grid dissipation 145 Grid-Anode 21 pF Grid resistance 1210 790 Ω Grid-Cathode 55 pF Anode dissipation 9.6 8.6 kM pF Anode Input power 40 38.4 kM Anode Output power 33 29 kM Feedback ratio 10.5 12.9 % Oscillator efficiency 76.5 76 % Interelectrode capacitance Anode -Cathode 1 Amplification factor 22 Transconductance (Va=10Kv,Ia=4A) Operating position 50 mA/V Vertical, anode up or down Cooling Cooling air flow, min Forced air 3 ≥6 M /m Max inlet air temperature 45 ℃ Temperature at seal, max 250 ℃ Net weight 6.5 kg Maximum ratings Operating frequency 120 MHz 12 kV 60~90MHz 9 kV 60~90MHz 7 kV 90~120MHz 6 kV 5 A -1500 V Grid current (full load) 0.8 A Grid current (no load) 1.5 A Peak cathode current, CW 28 A Peak cathode current, pulse 38 A Anode dissipation power 12 kW Below 30MHz 350 W 30~60MHz 320 W 60~90MHz 300 W 90~120MHz 280 W Anode voltage Below 30MHz Anode current Grid voltage Grid dissipation 0.72 A 220 W