21CXP4
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BrandThe Rauland Corporation
ClassCathode-Ray Tube
BaseSmall Shell Duodecal 6-pin
Filament6.3V @ 0.64mA
Construction
Primary TypeRectangular Picture Tube
EnvelopeGray Filter Glass
Base MaterialSmall Shell Duodecal
SectionsSingle
Filament / Heater
Heater Notes0.64 +/- 10% amperes
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage70 V
Grid 1 Voltage150 V
H-C Voltage200 V
Audio Performance
Key Features
- Electrostatic focus
- Magnetic deflection
- Direct-view picture tube
- No external ion trap magnet required
- Metal-backed screen
- External conductive coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive | 18000V | - | - | - | - |
Application Notes
Specifically intended for cathode drive television applications. External conductive coating serves as filter capacitor when grounded.
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