Tube-number record
COLD-CATHODE + AND - REGISTER TUBE
0 archive entries
COLD-CATHODE + AND - REGISTER TUBE is a tube type in the TubeDatabase archive (class: Display Tube). Recorded specifications: brand DIGITRON, construction Other / special, socket CRT / special base, and maximum plate voltage 180 V. The archive does not yet hold a photographed example of this type.
BrandDIGITRON
ClassDisplay Tube
BaseCRT / special base
Construction
Primary TypeOther / special
EnvelopeSide-viewing
Sections2 character
Filament / Heater
Absolute Maximum Ratings
Plate Voltage180 V
Cathode Current5 mA
Audio Performance
Key Features
- Side-viewing
- + and - characters
- Registered Trade Mark Digitron
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| D.C. | 250 V | — | — | — | — |
Application Notes
Under recommended D.C. operating conditions with characters switched sequentially every 24 hours, an average life of 4,000 hours can be expected.
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