21DRP4
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BrandNational Video Corporation
ClassCathode Ray Tube
BaseB6-63
Filament6.3V @ 0.6mA
Construction
Primary TypeElectrostatic Focus, Magnetic Deflection
EnvelopeRectangular Glass
Base MaterialPlastic
Sections1
Filament / Heater
Heater NotesDesign center values; 6.3V/0.6A estimated from OCR error (62V/06A)
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage500 V
Grid 1 Voltage-140 V
H-C Voltage180 V
Audio Performance
Key Features
- Aluminized screen
- Grey filter glass
- Straight electron gun
- No ion trap required
- Electrostatic focus
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Direct View | 16000V | - | - | - | - |
Application Notes
Shielding of x-ray radiation may be necessary if operated in excess of 16 kilovolts. Socket should not be rigidly mounted.
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