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
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Stabilizer operation | 25000V | 250 | - | - | 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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