General Characteristics
Cathode Thoriated tungsten
Heating Direc t
Filament voltage 4.2 V(1)
Filament current 146A(1)
Interelectrode capacitances, approx:
cathode-control-grid 72pF
Control-grid-screen-grid 93pF
Screen-grid-anode 13.2pF
Transconductance(la=2.5A,Ug2=300V) ≥80mA/V
Internal amplification factor,average 8
Operating position Vertical,anode up
weight, approx . 4.1Kg
Dimensions See page 95
Anode cooling(2) Hypervapotron
Air flow ,min. 15l/min
Pressuer at water inlet,max. 5105Pa
Temperature at air water outlet, max. 80℃
Cooling at the sealing between electrode terminal and ceramic, Forced air
Temperature on the surface of the tube,max. 300℃
