Double triode for low-frequency amplification and impulse modes. Case type: glass, miniature. Mass 20g. Main parameters (at Uf=6.3 V, Ua=120 V, Rc=68 ?)
| Filament current, mA | 900±50 |
| Anode current, mA | 30+8/-9 |
| Anode currentin zero point, µA | ≤100 |
| Grid reverse current, µA | ≤1 |
| Cathode impulse current (at anode and grid voltage 150 V, impulse duration 1..2 µs, frequency 50 Hz) | ≥4.7 |
| Transconductance, mA/V | 11+2.6/-2.9 |
| Gain factor | 20±4 |
| Vibronoise voltage (at Ra=10 k?), mV | ≤100 |
| Interelectrode capacitance, pF input output (1st triode) output (2nd triode) input-to-output 1st anode to 2nd anode cathode-to-filament | 4.4±0.7 1.65±0.25 1.8±0.3 ≤3.5 ≤0.1 ≤8 |
| Lifetime, h | ≥500 |
| Durability test cathode impulse emission current, A | ≥3.5 |
Operational limits
| Filament voltage, V | 5.7-7.0 |
| Anode voltage, V | 300 |
| Anode voltage in off-state, V | 450 |
| Grid negative voltage, V | 100 |
| Cathode-to-filament voltage, V at filament positive potential at filament negative potential | 150 200 |
| Anode power dissipation (each triode), W | 4 |
| Grid power dissipation (each triode), W | 0.3 |
| Grid circuit resistance, M? | 1 |
| Pulse ratio | ≥500 |
| Envelope temperature, oC | 200 |
| Sinusoidal vibrationacceleration, g | 6 |
| Sinusoidal vibration frequency, Hz | 10..600 |
| Multiple impacts acceleration, g | 120 |
| Single impact acceleration, g | 500 |
| Linear acceleration, g | 100 |
| Ambient air temperature, oC | -60..+85 |
