Tube-number record
FU-5
0 archive entries
FU-5 is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: construction Triode, maximum plate voltage 1500 V, and maximum plate dissipation 125 W. The archive does not yet hold a photographed example of this type.
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeGlass
Sections1
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage1500 V
Plate Dissipation125 W
Audio Performance
Key Features
- Directly heated cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 1500 V | — | — | — | 100 mA |
Application Notes
Commonly used in radio transmitters and high-power audio amplifiers.
0 results