Rated electrical data

at U n \u003d 6.3 V, U a \u003d 100 V, U c \u003d 9 V
Heating current, mA310+-25 
Anode current, mA15+-5
Anode current at the beginning of the characteristic (at U s = - 8 V), mAno more than 0.1
Reverse grid current, µAno more than 0.2
Leakage current between cathode and heater, uAno more than 15
Slope of characteristic, mA/V10 - 12.7
The steepness of the characteristic at U n = 5.7 Vat least 8.5
Gain34+-9
Input impedance (at f = 200 MHz), Ohm500
Equivalent noise resistance, Ohm300
Vibronoise voltage (at Ra = 2 kOhm), mVno more than 150
Operating time, hat least 5000
Criteria for evaluation: 
      grid reverse current, µAno more than 1
      characteristic slope, mA/Vat least 7.5

Maximum allowable electrical values

Heating voltage, V5.7 - 7
Anode voltage, V300
Anode voltage with the lamp locked, V470
Anode voltage with the lamp locked in a pulse, V1000
Grid voltage in the pulse is negative, V200
Voltage between cathode and heater, V: 
      at positive heater potential200
      at negative heater potential200
Cathode current, mA: 
      meantwenty
      on impulse200
Power dissipated by the anode of each triode, W1.8
Power dissipated by the grid of each triode, W0.03
Resistance in the grid circuit, MΩone
Lamp bulb temperature, deg. FROM 120
Resistance to external influences: 
      acceleration during vibration at a frequency of 50 Hz, g 2.5
      acceleration at multiple impacts, g35
      range of ambient operating temperatures, deg. FROMFrom -60 to +70