G240/2D
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BrandStandard Telephones and Cables Limited
ClassCold-Cathode Gas-Filled Triode
BaseSmall wafer octal
Construction
Primary TypeGas-Filled Triode
EnvelopeGlass
Base MaterialMetal Shell
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage230 V
Grid 1 Voltage90 V
Cathode Current30 mA
Audio Performance
Key Features
- Long life cathode
- Non-interchangeability of trigger and cathode electrodes
- Higher power than G150/2D
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Maintaining Voltage | 70V | - | - | - | 20mA |
Application Notes
Developed for use in applications where higher power is needed in the anode circuit than obtainable with the G150/2D type.
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