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TBH7/9000

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ClassWater Cooled Industrial R.F. Power Triode

Construction

Primary TypeTriode
EnvelopeMetal-Glass with integral helical cooler
SectionsSingle

Filament / Heater

MaterialThoriated tungsten

Absolute Maximum Ratings

Plate Voltage8000 V
Plate Dissipation6000 W
Grid 1 Voltage-1250 V
Cathode Current1800 mA

Audio Performance

Key Features
  • Water cooled
  • Integral helical cooler
  • Thoriated tungsten filament
  • Continuous service

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
R.F. Class C oscillator, continuous service (7.2kV)7200V12000-241500mA
R.F. Class C oscillator, continuous service (6.2kV)6200V12000-241400mA

Application Notes

Mounting position vertical with anode down. At frequencies above 4 MHz a low velocity air flow should be directed to the seals. Both grid terminals should be connected in parallel above 4 MHz to distribute R.F. current equally.

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