CV2012 voltage reference tube
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The valve measures 53x17mm overall and has 7 connections plus one to the central spigot. |
This valve is a CV449 with tags welded to the pins and fitted with a special disc. In fact the valve is marked CV449 which is crossed out.
| Max striking voltage | 115V |
| Normal stabilised voltage | 85V |
| Recommended operating current | 6mA |
| Max cathode current | 10mA |
| Min cathode current | 1mA |
| Max incremental resistance (Ia=6mA) | 450 ohm |
| Pin | Function |
| 1 | Anode |
| 2 | Cathode |
| 3 | Internal connection |
| 4 | Cathode |
| 4 | Anode |
| 6 | Internal connection |
| 7 | Cathode |
