RF Power Grid Tubes · Triodes

GU-43B — GU-43B Russian Power Triode

Manufacturer: Svetlana / Reflector

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Product Description

Russian metal-ceramic triode with 1.5 kW plate dissipation and excellent UHF characteristics up to 300 MHz, used in HF to VHF linear amplifiers.

Technical Specifications

Tube TypeTriode
Plate Dissipation1500 W
Max Plate Voltage5.0 kV
Max Plate Current0.8 A
Mu45
Max Frequency300 MHz
Filament Voltage12.6 V
Filament Current5.5 A
CoolingForced air

Applications

  • HF grounded-grid amplifiers
  • VHF linear amplifiers
  • Amateur radio high-power
  • Military HF/VHF communications

Key Features

  • 1.5 kW plate dissipation
  • 300 MHz operation
  • Russian military heritage
  • Grounded-grid circuit suitability