Tube-number record
31C13
0 archive entries
BrandEdiswan
ClassCathode Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
Envelope6 inch diameter flat face, aluminised
Base MaterialDuodecal
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage10000 V
H-C Voltage150 V
Audio Performance
Key Features
- Aluminised
- Internal compass scale
- Octantal correction
- Specular reflection reduction face
- Flat face
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radio DF Compass | 9500 V | — | — | — | 0.15 mA |
Application Notes
A resistance should be inserted in the anode circuit in order to limit the discharge current to 100 mA(max), in the event of a flash-over inside the tube.
Datasheets
Datasheet: 31C13.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results