Tube-number record
31E12
0 archive entries
31E12 is a tube type in the TubeDatabase archive (class: Radar Cathode Ray Tube). Recorded specifications: brand Ediswan, construction Display / CRT, base Plastic, socket Duodecal, and maximum plate voltage 14000 V. The archive does not yet hold a photographed example of this type.
BrandEdiswan
ClassRadar Cathode Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radar PPI Display | 12000 V | — | — | — | — |
Application Notes
The T7 screen is liable to burn if a stationary or slowly moving spot is used even with low values of mean current.
Datasheets
Datasheet: 31E12.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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