Tube-number record
P 1300
0 archive entries
P 1300 is a tube type in the TubeDatabase archive (class: Power Pentode). Recorded specifications: brand Compagnie Générale de Télégraphie Sans Fil (CSF), year 1960, construction Pentode, base Graphite (Anode), socket 7-pin (non-miniature), maximum plate voltage 4000 V, and maximum plate dissipation 1000 W. The archive does not yet hold a photographed example of this type.
BrandCompagnie Générale de Télégraphie Sans Fil (CSF)
ClassPower Pentode
Base7-pin (non-miniature)
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialGraphite (Anode)
Sections1
Filament / Heater
MaterialThoriated Tungsten
Warm-up Time30s
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| HF Oscillator or Amplifier - Class C Telegraphy | 3000 V | 15000 | — | — | 820 mA |
| HF Amplifier - Class B Symmetric | 3000 V | — | — | — | 720 mA |
Application Notes
Recommended for power stages of telecommunication transmitters at frequencies below 50 MHz. Filament voltage should be maintained within +/- 7%. High voltage should be applied at least 30 seconds after filament stabilization.
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