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TBL6/4000

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BrandPhilips
ClassTriode
BaseB8 700 51

Construction

Primary TypeTriode
EnvelopeGlass
Base MaterialMetal/Glass
SectionsSingle

Filament / Heater

Materialthoriated tungsten

Absolute Maximum Ratings

Plate Voltage8000 V
Plate Dissipation1700 W
Grid 1 Voltage-1250 V
Cathode Current1200 mA

Audio Performance

Key Features
  • Industrial R.F. generators
  • Thoriated tungsten filament
  • Forced air cooling
  • Directly heated

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical characteristics5000V7000-23240mA
R.F. class C oscillator (Continuous)7000V---900mA
R.F. class C oscillator (Intermittent)6000V---1330mA

Application Notes

Mounting position: Vertical with anode up or down. At frequencies above 4 Mc/s both grid terminals should be connected in parallel. Air flow requirements: 1.6 m3/min at 1.3kW dissipation, 2.1 m3/min at 1.7kW dissipation.

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