866A / CV32 mercury vapour
halfwave rectifier
 |
The valve measures 165x60mm
overall. It has a 4-pin base. |
The 866A was superseded for
military use by the 3B28.
| Filament voltage |
2.5V |
| Filament current |
5.0A |
| Max working PIV |
10.0kV |
| Max DC output current |
250mA |
| Max temperature of condensed
mercury |
60C |
| Min temperature of condensed
mercury |
25C |
| Max frequency of supply |
150Hz |
| Max peak anode current |
1.0A |
| Min choke inductance at
max DC output |
5.0H |
Note that the filament voltage must be applied at least 5 minutes before the anode voltage.
| Pin |
Function |
| 1 |
Filament |
| 2 |
n/c |
| 3 |
n/c |
| 4 |
Filament |
| TC |
Anode |
|
