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HR11

Information - Help 
ID = 30227
       
Country:
Great Britain (UK)
Brand: Ferranti, GB
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to HR11

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Filament Vf 4 Volts / If 1.9 Ampere / Direct / Specified voltage AC/DC
Description Va<14.5kV rms; 3mA av. 
Text in other languages (may differ)
Information source - - Manufacturers Literature   
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