|
CV2347 / 5B/258M beam tetrode
|
This valve measures 102x30mm overall and has a B8G base. |
| Heater voltage | 19V |
| Heater current | 300mA |
| Max anode voltage | 600V |
| Max anode voltage (Ia=0) | 750V |
| Max screen voltage | 300V |
| Max anode current | 120mA |
| Max anode dissipation | 25W |
| Max screen dissipation | 4.5W |
| Mutual conductance * | 6mA/V |
| Inner µ * | 9 |
| Max DC control grid voltage | -200V |
| Max RF voltage between G1 and G2 | 1kV |
| Max frequency for above specs | 60MHz |
| Capacitances |
| Cag1 | 0.1pF |
| Cge | 13pF |
| Cae | 7pF |
*: At Va=300V, Vg2=250V, Ia=72mA
| Pin | Function |
| 1 | Heater |
| 2 | Cathode and beam plates |
| 3 | Screen grid |
| 4 | Cathode and beam plates |
| 5 | Control grid |
| 6 | Control grid |
| 7 | Cathode and beam plates |
| 8 | Heater |
| TC | Anode |
|
|
