Tube-number record
R 249 P
0 archive entries
R 249 P is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand La Radiotechnique, construction Triode, socket Subminiature, maximum plate voltage 165 V, and maximum plate dissipation 3 W. The archive does not yet hold a photographed example of this type.
BrandLa Radiotechnique
ClassTriode
BaseSubminiature
Filament6.3 V @ 150 mA
Construction
Primary TypeTriode
EnvelopeSubminiature
Sections1
Filament / Heater
Heater NotesIndirect heating (cathode isolated)
Absolute Maximum Ratings
Plate Voltage165 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Oscillatrice | 150 V | 4250 | 4000 | 17 | 15 mA |
Application Notes
Ne pas plier les fils de sortie à moins de 2 mm de l'embase, ni effectuer de soudures à moins de 6 mm.
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