Dual control pentode for HF oscillation conversion and amplification.
Case type: glass envelope, microminiature.
Mass 4.5 g
Main parameters (at Uf= 6.3 V, Ua = 120 V, Ug2 = 120 V, Ug3 = 0 V, RL = 100 Ohm)
Filament current, mA | 220±25 |
Anode current, mA | 10.5±3.5 |
Anode current (at Ug3 = -15 V), mkA | ≤100 |
2nd grid current, mA | 7.5±1.5 |
1st grid reverse current, mkA | ≤0.4 |
Cathode-to-filament leakage current, mkA | ≤20 |
Mutual conductance, mA/V for 1st grid for 1st grid at Uf = 5.7 V for 3rd grid at Ug3 = -3 V for 3rd grid at Ug1 = -2 V and Ug3 = 20 V | 5+2/-1.4 ≥3.1 1.5-0.7 ≤0.025 |
Vibronoise voltage (at Ra = 2 kOhm), mV | ≤270 |
Interelectrode capacitance, pF input output input-to-output cathode-to-heater | 6.5±1.6/-2.4 4.5±1 ≤0.05 ≤7 |
Durability, h | ≥500 |
Durability criteria: 1st grid reverse current, mkA 1st grid mutual conductance, mA/V | ≤1 ≥3.1 |
Operational limits
Filament voltage, V | 5.7..6.9 |
Anode voltage, V | 150 |
Anode voltage in off-state, V | 300 |
2nd grid current, V | 150 |
2nd grid current in off-state, V | 300 |
1st grid negative voltage, V | 50 |
Cathode-to-heater voltage, V | 150 |
Cathode current, mA | 28 |
Anode power dissipation, W | 2.1 |
2nd grid power dissipation, W | 1.3 |
1st grid circuit resistance, MOhm | 1 |
Envelope temperature, oC at normal ambient air temperature at +200 oC | +170 +250 |
Vibratory loads frequency, Hz acceleration, g | 5..600 10 |
Multiple mechanical impacts acceleration, g | 150 |
Single mechanical impacts acceleration, g | 500 |
Linear acceleration, g | 100 |
Ambient air temperature, oC | -60..+200 |