Russian G-837 / G837 / Г-837 beam power tetrode designed to amplify and generate high-frequency oscillations. Used to the transmitter, as well as in cascades line scan television receivers. Can be used in terminal stages of low-frequency power. Indirectly heated oxide cathode. Equivalent to the 837 (Sylvania), VT-101. Similar equivalent to the 318A / RK44 / 38837 / VT-101 / CV636 / OS12/500. Military equipment. Made by Ulyanovsk factory. NEW, NOS and never used before!

Filament voltage, V: 12.6;

Heater current, A: 0.7;

Type of current: AC;

Anode voltage, V: 500;

Second grid voltage, V: 0;

Voltage grid of the first, V: -85;

Anode, mA: 60;

Grid current second, mA: 30;

Steepness, mA/V: 3,4;

Input capacitance, pF: 16;

Internal resistance, kOm: 10;

Output capacity, pF: 10;

Max. power dissipation grid-2, W: 8;

Output power, W: 20.