GG1-0.5/5 is a half-wave rectifier tube. NEW, NOS and never used before!
Name: GG1-0.5/5;
Application: rectification;
Cathode type: oxide, direct heating;
Filling: inert gas;
Envelope: glass;
Mass, g: 150;
Filament voltage, V: 2,5;
Filament current, A: 7,0-10,0;
Anode-cathode voltage, V: 18;
Anode current, A: 0,5;
Reverse voltage, kV: 5.