Tube-number record
20HP4C
0 archive entries
20HP4C is a tube type in the TubeDatabase archive (class: Television Picture Tube). Recorded specifications: brand SYLVANIA, construction Display / CRT, base Small Shell Duodecal, socket Duodecal, and maximum plate voltage 16000 V. The archive does not yet hold a photographed example of this type.
BrandSYLVANIA
ClassTelevision Picture Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
Base MaterialSmall Shell Duodecal
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage16000 V
Grid 2 Voltage500 V
Grid 1 Voltage-125 V
H-C Voltage180 V
Audio Performance
Key Features
- Electrostatic Focusing
- Magnetic Deflection
- Aluminized P4 Phosphor
- Gray Filter Glass
- Single Field Ion Trap
- Spherical Face Plate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 14000 V | — | — | — | — |
Application Notes
X-ray radiation shielding may be necessary if operated at higher than 16,000 volts.
Datasheets
Datasheet: 20HP4C.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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