GU-32 / GU32 = 832 tube. Beam double tetrode NIB
The GU-32 (ГУ-32) beam-power double tetrode is used as an oscillator and RF power amplifier operating in the metric wavelength range in RF equipment. Indirectly heated oxide cathode.
All tubes new, military equipment and have "OTK" mark. Near equivalent: 832. The tube is manufactured by the Ulyanovsk, Russia.
Type: double beam tetrode
Cathode type: oxide,indirect heating
Application field: oscillation and amplification RF power in metric band
Brief application: oscillation, amplification
Cooling method: air
Mass: 100 g
Filament voltage, V: 6,3 / 12,6
Filament current, A: 1,45 - 1,75 / 0.7 - 0.9
normal anode voltage, V: 250
Mutual conductance, mA/V: 3 to 4.8
Output power, W: 15
Maximum anode voltage, kV: 3.5
Maximum operating frequency, MHz: 200
All datasheets here.