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CV5259 / U329a halfwave rectifier

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This valve measures 77x19mm overall and has a B9A base |
| Heater current | 300mA |
| Nominal heater voltage | 25V |
| Max heater-cathode voltage (heater -ve) | 2kV |
| Peak heater-cathode voltage | 7.5kV |
| Max pulse PIV | 7kV |
| Max output current | 120mA |
| Max peak anode current | 720mA |
| Max surge anode current | 2.4A |
| Capacitances |
| Ca-all | 6.1pF |
| Chk | 3.2pF |
| Pin | Function |
| 1 | Internal connection |
| 2 | Internal connection |
| 3 | Internal connection |
| 4 | Heater |
| 5 | Heater |
| 6 | Internal connection |
| 7 | Internal connection |
| 8 | Internal connection |
| 9 | Anode |
| TC | Cathode |
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