CV2347 / 5B/258M beam tetrode
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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 |
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