Tube-number record
375
0 archive entries
375 is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: construction Triode, maximum plate voltage 3000 V, and maximum plate dissipation 375 W. The archive does not yet hold a photographed example of this type.
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.
0 results