(6n18n)
General
Pentode, used in output stages of frame scan TV block.
Envelope: miniature glass.
Mass 20 g.
Lead diagram
General characteristics:
| Filament voltage, Volt | 6.3 |
| Anode voltage, Volt | 180 |
| 2nd grid voltage, Volt | 180 |
| Resistance in cathode circuit, Ω | 110 |
| Filament (heater) current, mA | 760±60 |
| Anode current, mA | 53±9 |
| Reverse 1st grid current, mkA | no more than 1 |
| 2nd grid current, mA | 8 to 8.25 |
| Mutual conductance, mA/V | 11±2.2 |
| Output power, W | 3 to 2.2 |
| Inter electrode capacitance, pF: | |
| input | 11.5 |
| output | 6 |
| transfer | no more than 0.2 |
| Operation time, h | ³ 5000 |
Limited operating values:
| Filament voltage, V | 5,7-7 |
| Anode voltage, V | 250 |
| Pulse anode voltage, V | 2500 |
| 2nd grid voltage, V | 250 |
| Cathode - heater voltage, V | 100 |
| Cathode current, mA | 75 |
| Anode dissipation, W | 12 |
| 2nd grid dissipation, W | 2.5 |
Operating environmental conditions :
| Acceleration of vibration loads, g | 2.5 |
| by frequencies, Hz | 50 |
| Ambient temperature, °Ñ | -60 to +70 |
| Relative humidity at up to 40°C, % | 98 |
Plate and plate-grid curves
