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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

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Maintaining Voltage70V---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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