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6C20C

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ClassHigh-voltage triode
BaseOctal
Filament6.3V @ 200mA

Construction

Primary Typetriode
Envelopeglass bulb
Sectionssingle

Filament / Heater

Heater NotesIndirectly heated oxide-coated cathode

Absolute Maximum Ratings

Plate Voltage25000 V
Plate Dissipation25 W
Grid 1 Voltage-250 V
Cathode Current1.5 mA
H-C Voltage225 V

Audio Performance

Key Features
  • Indirectly heated
  • Oxide-coated cathode
  • High-voltage stabilizer
  • Glass bulb construction

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Stabilizer operation25000V250--1mA

Application Notes

The 6C20C high-voltage triode is used in television equipment as a stabilizer of the kinescope anode supply voltage.

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