Tube-number record
375
0 Tubes in archive
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation375 W
Audio Performance
Key Features
- High power triode
- Thoriated tungsten filament
- Graphite plate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C RF Power Amplifier | 2500 V | — | — | 20 | 250 mA |
Application Notes
Commonly used in broadcast and amateur radio transmitters as a high-frequency power amplifier.