GA11
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ClassNumerical indicator tube
BaseWires
Construction
Primary TypeCold Cathode
EnvelopeGlass
Sections10 digits (0-9)
Filament / Heater
Absolute Maximum Ratings
Cathode Current3.5 mA
Audio Performance
Key Features
- Long-life
- Cold cathode
- Side viewing
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Continuous | 130V | - | 47000 | - | 2mA |
Application Notes
Non-glowing cathodes should be kept at a positive voltage between 50 and 120 V with respect to the glowing cathode, or left floating. Life expectancy exceeds 10,000 hours when digits are switched at least every 24 hours.
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