Tube-number record
7739
0 archive entries
7739 is a tube type in the TubeDatabase archive (class: Planar Triode). Recorded specifications: brand DuMont, construction Triode, socket Planar / disc seal, maximum plate voltage 350 V, and maximum plate dissipation 7.2 W. The archive does not yet hold a photographed example of this type.
BrandDuMont
ClassPlanar Triode
BasePlanar / disc seal
Filament6.1 V @ 1.18 mA
Construction
Primary TypeTriode
EnvelopePlanar
Sections1
Filament / Heater
MaterialUnipotential
Absolute Maximum Ratings
Plate Voltage350 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulse Oscillator | 350 V | — | — | — | 250 mA |
Application Notes
Designed for use in pulse oscillator applications at frequencies in the order of 4,000 to 5,000 megacycles. Sufficient conduction and convection cooling should be provided to limit the grid and plate seal temperatures.
Datasheets
Datasheet: 7739.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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