Heating voltage, V 12.6
Filament current, mA 75 ± 5
Anode current, mA 1.4-3.3
Steepness, mA / V 1.2-2.1
Output power, W, not less than 0.6
Input capacitance, pF 3.4-4.0
Output capacitance, pF 4 ± 0.35
Capacity anode-first grid, pF, no more than 0.007
Anode-cathode capacity, pF, no more than 0.007
Metal decoration, mA / V 1.2-2.1
Output power, W, not less than 0.6
Input capacitance, pF 3.4-4.0
Output capacitance, pF 4 ± 0.35
Capacity anode-first grid, pF, no more than 0.007
Anode-cathode capacity, pF, no more than 0.007