Tube-number record
4C29
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BrandResearch Enterprises Limited
ClassUltra High Frequency Oscillator Triode
Filament6 V @ 6500 mA
Construction
Primary TypeTriode
EnvelopeMetal & Glass with air cooled radiator
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated, oxide coated
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation150 W
Cathode Current40000 mA
Audio Performance
Key Features
- Ultra High Frequency Oscillator
- Pulse operation
- Indirectly heated
- Oxide coated
- Metal-glass envelope
- Air cooled radiator
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulse Operation | — | — | — | 22 | — |
Application Notes
12 K.V. cannot be initially applied directly to the tube. The voltage must be gradually increased. The air cooled surface of the plate and the glass seals must be maintained below 140°C. Requires at least 5 cu. ft. of air per minute on the plate radiator and 1 cu. ft. per minute on the grid seal.
Datasheets
Datasheet: 4C29.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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