RF Power Grid Tubes · Triodes

TH781 — TH781 Thomson/Thales HF Triode

Manufacturer: Thomson / Thales

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Product Description

Compact Thomson/Thales triode with 600 W plate dissipation for HF linear amplifiers and VHF transmitter driver stages.

Technical Specifications

Tube TypeTriode
Plate Dissipation600 W
Max Plate Voltage3.5 kV
Max Plate Current0.5 A
Max Frequency500 MHz
Filament Voltage6.3 V
Filament Current5.0 A
CoolingForced air

Applications

  • HF driver stages
  • VHF low-power amplifiers
  • Scientific RF oscillators
  • European radio transmitters

Key Features

  • 600 W plate dissipation
  • 500 MHz capable
  • Compact form factor
  • Thomson heritage design