G150/2D
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BrandStandard Telephones and Cables Limited
ClassCold-Cathode Gas-Filled Triode
BaseSmall octal wafer with metal shell
Construction
Primary Typetriode
Envelopeglass
Sectionssingle
Filament / Heater
Absolute Maximum Ratings
Cathode Current30 mA
Audio Performance
Key Features
- activated cathode
- low maintaining voltage
- good life performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| relay operation | 60V | - | - | - | 20mA |
| counter applications | - | - | - | - | 2mA |
Application Notes
The life expectancy of these valves is a function of cathode current. Deionisation time can be improved by a factor of three if the negative going pulse goes to -45V instead of zero.
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