Tube-number record
U319
0 archive entries
U319 is a tube type in the TubeDatabase archive (class: Half Wave Rectifier). Recorded specifications: brand Marconi, year 1952, construction Rectifier, socket Rimlock, and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.
BrandMarconi
ClassHalf Wave Rectifier
BaseRimlock
Filament20 V @ 0.3 mA
Construction
Primary TypeRectifier
EnvelopeTubular
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single Phase Half wave, Capacitor input | 250 V | — | — | — | 170 mA |
Application Notes
Free air circulation is preferable. If the retaining device is in the form of a canister, the surfaces should be blackened. The temperature of the hottest part of the bulb must not exceed 225°C.
0 results