Tube-number record
COLD CATHODE SIDE VIEWING CHARACTER INDICATOR TUBE
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COLD CATHODE SIDE VIEWING CHARACTER INDICATOR TUBE is a tube type in the TubeDatabase archive (class: Indicator Tube). Recorded specifications: year 1970, construction Other / special, socket Flexible / flying leads, and maximum plate voltage 170 V. The archive does not yet hold a photographed example of this type.
ClassIndicator Tube
BaseFlexible / flying leads
Construction
Primary TypeOther / special
EnvelopeSide viewing
Sections3 cathodes, 1 common anode
Filament / Heater
Absolute Maximum Ratings
Plate Voltage170 V
Cathode Current2 mA
Audio Performance
Key Features
- Red contrast filter
- Character height 10.5 mm
- Characters: - + ~
- Upright viewing (+/- 2 deg) when mounted vertically
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Character display | 170 V | — | — | — | 2 mA |
Application Notes
Care should be taken not to bend the leads nearer than 1.5 mm from the seals. Leads may be dip-soldered at 240 °C for 10 seconds max.
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