Filament Voltage          

 7.5  V 

Filament Current           

 51.5  A 

Amplification  Factor      

 160 

Interelectrode Capacitance (Grounded Cathode) 

Cin              

 38.1 pF 

Cout              

 0.6 pF 

Cgp              

 24.5 pF 

Interelectrode Capacitance (Grounded Grid) 

Cin           

 38.1 pF 

Cout            

 24 pF 

Cak             

 0.6 pF 

Zero-Grid-Voltage Plate Current (Ua=5 kV)     

 440±80mA 

Cut-off Grid Bias (Ua=5kV, Ia=1ma)                        

 -45V 

Operation Position     

Vertical, base up or down 

Cooling                    

Forced Air 

Maximum Anode Core and Seal Temperature    

 250 ℃

Maximum Height              

228.6 mm 

Maximum Diameter         

105.7 mm 

Net Weight                     

 2.8  kg