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RD300S power triode
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This valve measures 155x90mm overall and has a 5 pin base |
This is a power triode suitable for AF or RF use up to 200MHz
| Filament voltage | 5V |
| Filament current | 15A |
| Max anode voltage at 200MHz | 2kV |
| Max anode voltage (up to 120MHz) | 4kV |
| Max anode current | 450mA |
| Max anode dissipation | 300W |
| Max grid dissipation | 30W |
| Max operating frequency | 200MHz |
| Transconductance * | 6mA/V |
| Amplification factor * | 24 |
| Emission current ** | 2.5A |
| Ambient temperature range | -15 to +45°C |
| Max temperature of any surface part | 170°C |
| Capacitances |
| Ckg | 7pF |
| Cag | 5.8pF |
| Cak | 0.2pF |
*: At Va=1.5kV, Ia=200mA
**: At Va=Vg=800V
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