CV3870 / 4064B mercury vapour rectifier
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This valve measures 205x60mm overall and has a 4 pin base. |
4064B is shown as a possible substitute for the 872A; however CV3870 is not. Data below is for the 4064B:
| Filament voltage | 5V |
| Filament current | 6.75A |
| Max peak anode current | 5A |
| Max PIV | 10kV |
| Max average anode current | 1.25A |
| Pin | Function |
| 2 | Filament |
| 4 | Filament |
| TC | Anode |
