High-frequency amplifying/generating double triode. Case type: glass, miniature.
Mass 15 g.
Main parameters (at Uf=6.3 V, Ua=150 V, Ug=-2 V)
| Filament current, mA | 350±30 | 
| Anode current, mA | 8.5±3.5/-3 | 
| Anode current at Ug=-10 V, µA | ≤40 | 
| Grid reverse current, µA | ≤0.1 | 
| Transconductance, mA/V | 5.9+1.9/-1.8 | 
| Transconductance at Uf=5.7 V, mA/V | ≥3.8* | 
| Gain factor | 34+8/-6 | 
| Electronic current cut-off voltage (negative), V | ≤1.5 | 
| Microphonic voltage (at Ra=2 kOhm), mV | ≤100 | 
| Interelectrode capacitance, pF input output input-to-output 1st anode to 2nd anode | 2.4+0.75/-0.65 1.3+0.3/-0.4 ≤1.6 ≤0.13 | 
| Lifetime, h | ≥10000 | 
| Estimation test grid reverse current, µA transconductance, mA/V transconductance change, % | ≤0.3 ≥3.6 ≤40 | 
*at Uf=6 V
Operational limits
| Filament voltage, V | 5.7-6.9 | 
| Anode voltage, V | 300 | 
| Anode voltage in off-state, V | 470 | 
| Cathode-to-filament voltage, V at filament positive potential at filament negative potential | 160 250 | 
| Cathode current, mA | 15 | 
| Anode power dissipation, W | 1.6 | 
| Grid power dissipation, W | 0.1 | 
| Grid circuit resistance, M? | 1 | 
| Envelope temperature, oC | 150 | 
| Sinusoidal vibration frequency, Hz acceleration, g | 10-600 6 | 
| Ambient air temperature, oC | -60..+90 | 


 
                         
                        



