Tube-number record
HF-200
0 archive entries
HF-200 is a tube type in the TubeDatabase archive (class: Transmitting Tube). Recorded specifications: brand Amperex, construction Triode, maximum plate voltage 2500 V, and maximum plate dissipation 150 W. The archive does not yet hold a photographed example of this type.
BrandAmperex
ClassTransmitting Tube
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage2500 V
Plate Dissipation150 W
Grid 1 Voltage-500 V
Cathode Current200 mA
Audio Performance
Power Output600 W
Key Features
- Radiation cooled
- High transconductance
- Thoriated tungsten filament
- Low voltage high current operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| R.F. Power Amplifier Class C Telegraphy | 2500 V | 5000 | — | 18 | 200 mA |
| Class B Audio Amplifier | 2500 V | — | — | 18 | 360 mA |
Application Notes
The HF-200 is a high frequency generator designed for low voltage and high current with a high ratio of transconductance to interelectrode capacitance.
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