GTR120W
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ClassTrigger Tube
BaseFlying leads
Construction
Primary TypeCold Cathode
EnvelopeSub-miniature
Base MaterialGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage310 V
Grid 1 Voltage110 V
Cathode Current9 mA
Audio Performance
Key Features
- Sub-miniature
- Inexpensive
- Designed for computer applications
- Any mounting position
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Computer Switching | 290V | - | - | - | 4.5mA |
Application Notes
If tubes stand off for 150+ hours, self-ignition may occur at anode voltages above 280V unless a 3mA current is passed for 1 second before normal operation.
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