Tube-number record
DET 3
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BrandMarconi
ClassTransmitting Triode
BaseFlexible / flying leads
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialNot Specified
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation250 W
Audio Performance
Key Features
- Thoriated tungsten filament
- Direct leads (10 inches long)
- High power transmitter application
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier Class C Telegraphy | 3000 V | 6000 | 3166.67 | 19 | 300 mA |
| RF Amplifier Class C Grid Modulated | 3000 V | 6000 | 3166.67 | 19 | 130 mA |
| RF Amplifier Class C Anode Modulated | 2400 V | 6000 | 3166.67 | 19 |
Application Notes
The valve must be mounted vertically with the anode seal either up or down. Designed for use at frequencies up to 3 Mc/s.
Datasheets
Datasheet: DET3.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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