Tube-number record
HK 54
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BrandHeintz and Kaufman
ClassGeneral Purpose Triode
Base4-pin
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialCeramic
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation50 W
Grid 1 Voltage-750 V
Cathode Current150 mA
Audio Performance
Power Output260 W
Key Features
- Radiation cooled
- Tantalum elements
- Getter-less design
- No internal insulators
- High UHF efficiency
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Unmodulated | 3000 V | — | — | 27 | 100 mA |
| Class C Plate Modulated | 2000 V | — | — | 27 | 110 mA |
| Class B Audio (2 tubes) | 2500 V | — | — | 27 | 180 mA |
Application Notes
Special design permits high voltage operation and unusual UHF efficiency. Suitable for Class C amplifiers, Class B audio amplifiers, frequency multipliers, and crystal oscillators. The tantalum plate is designed to run at a dull cherry red color at 50 watts dissipation.
Datasheets
Datasheet: HK54.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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