COLD CATHODE NUMERICAL INDICATOR TUBE
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ClassIndicator Tube
BaseCRT / special base
Construction
Primary TypeOther / special
EnvelopeGlass, dome viewing
Sections10 cathodes
Filament / Heater
Absolute Maximum Ratings
Plate Voltage150 V
Cathode Current4.2 mA
Audio Performance
Key Features
- Top viewing
- 3 mm numeral height
- Radial numeral display
- Molybdenum cathode
- Transistor control compatibility
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Transistor circuit / AC supply | 110V | - | - | - | 3mA |
Application Notes
The tube is primarily intended for use in circuits with transistor control. Pulsating d.c. supply voltage preferably half sine waves causes cathode glow. Starter selecting voltage level determines which digit glows.
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