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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

8268

0 archive entries

BrandAmperex
ClassWater-cooled power triode

Construction

Primary TypeTriode
EnvelopeGlass and Metal
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
  • Safety margin grid material
  • Intended for industrial RF heating generators

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
General Characteristics6000 V120002000241000 mA
HF Class C oscillator (loaded)7200 V———1500 mA
HF Class C oscillator (loaded)6200 V———

Application Notes

At frequencies above 4 mc the two grid terminals must be connected in parallel. RF current should be distributed equally to avoid excessive grid seal temperatures.

Datasheets

Datasheet: 8268.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    1400 mA