Electron tube 4CX35000C_8349_DB926F Electronic tub

Electron tube/vacuum tube/thermionic valve/Power tube1446/4CX35000C/8349/DB926 FAM TetrodeOutput power in SW and MW 50-150kW General characteristics Cathode Thoriated tungsten Heating Direct Filament voltage 10±0.5 V Filament current 295A Interelectrode capacitances, approx. (1)Cathode earthed Input 440 pF Output 51pF Feed-through 2.3 pF (2)Grid earthed Input175 pF Output55 pF Feed-through0.5 pF Amplification factor, average 4.5 Maximum ratings Operating position Vertical, anode up or down Frequency 30 MHz Weight, approx 22.7 Kg Anode voltage 20 kV Cooling Forced air Anode current 15 A Control-grid voltage -2.0 kV Screen-grid voltage 2.5kV Temperature on the surface of the tube, max. 250 Anode dissipation 35 kW Control-grid dissipation 500W Screen-grid dissipation 1750W Class AB Typical operation RF linear amplification Frequency≤30 MHz Output power 55 kW Anode voltage 15 kV Control-grid bias voltage -400 V Screen-grid voltage 1.5 kV Anode current(with signal)5.7 A Anode current(at zero signal) 1.0 A Screen-grid current 0.9 A Screen-grid current 105 72 mA