CV5220 / KT88 beam tetrode
 |
This valve measures 100x45mm overall and has an octal base |
| Heater voltage |
6.3V |
| Heater current |
1.6A |
| Max anode voltage |
600V |
| Max screen voltage |
600V |
| Max anode dissipation |
35W |
| Max screen dissipation |
6W |
| Max anode plus screen dissipation |
40W |
| Max cathode current |
175mA |
| Max heater-cathode voltage |
150V |
| Max grid-cathode resistance (Cathode bias) |
220k ohms |
| Max grid-cathode resistance (Fixed bias) |
100k ohms |
| Max bulb temperature |
250C |
| Capacitances |
| Cag max |
1.2pF |
| Cin nom |
15.5pF |
| Cout nom |
11.25pF |
| Pin |
Function |
| 1 |
Shield |
| 2 |
Heater |
| 3 |
Anode |
| 4 |
Screen grid |
| 5 |
Control grid |
| 6 |
no pin |
| 7 |
Heater |
| 8 |
Cathode + beam plates |
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