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6961

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BrandStandard Telephones and Cables Limited (ITT)
ClassV.H.F. Power Triode

Construction

Primary TypeTriode
EnvelopeGlass/Metal
Base MaterialMetal
SectionsSingle

Filament / Heater

MaterialThoriated tungsten

Absolute Maximum Ratings

Plate Voltage7200 V
Plate Dissipation6000 W
Grid 1 Voltage1250 V
Cathode Current2200 mA

Audio Performance

Power Output20000 W
Key Features
  • Forced Air Cooled
  • Thoriated tungsten filament
  • Industrial Heating Oscillator
  • A.F. Amplifier
  • V.H.F. Operation up to 85MHz

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class C Telegraphy6500V15000-322000mA

Application Notes

The tube must not be operated without a heat dissipating connector on the filament mid-point pin. At frequencies above 30MHz, the filament pins should be decoupled to the centre tap by suitable capacitors.

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