Tube-number record
P 300-1
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P 300-1 is a tube type in the TubeDatabase archive (class: Transmitting Pentode). Recorded specifications: brand Brown Boveri, construction Pentode, socket Special / none, maximum plate voltage 3000 V, and maximum plate dissipation 400 W. The archive does not yet hold a photographed example of this type.
BrandBrown Boveri
ClassTransmitting Pentode
BaseSpecial / none
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage3000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Classe C sans modulation (12 Mc/s) | 3000 V | 8000 | — | 4 | 530 mA |
| Classe B modulation AF (3000V) | 3000 V | — | — | — | 450 mA |
Application Notes
The tube must be mounted vertically. Glass temperature must not exceed 200°C. Thoriated tungsten filaments are fragile; avoid shocks and vibrations.
Datasheets
Datasheet: P300-1.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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