Tube-number record
BR 195
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BR 195 is a tube type in the TubeDatabase archive (class: VHF Amplifier Triode). Recorded specifications: brand Marconi, construction Triode, socket Special / none, maximum plate voltage 5000 V, and maximum plate dissipation 4000 W. The archive does not yet hold a photographed example of this type.
BrandMarconi
ClassVHF Amplifier Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeForced air-cooled
Sectionssingle
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage5000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Amplifier | 2500 V | 18000 | — | 18 | 1000 mA |
Application Notes
The filament current must not exceed 100 A even momentarily. The anode requires forced air cooling and the temperature must not exceed 140°C. External grid and filament seals require approximately 10 cu. ft. per minute air cooling.
Datasheets
Datasheet: BR195.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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