Tube-number record
21CQP4
0 archive entries
21CQP4 is a tube type in the TubeDatabase archive (class: Television Picture Tube). Recorded specifications: brand Sylvania, construction Other / special, socket CRT base (B7 family), and maximum plate voltage 19800 V. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassTelevision Picture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeOther / special
EnvelopeGlass
Sections1
Filament / Heater
Warm-up Time11s
Heater NotesHeater current: 0.6 +/- 5% Ampere
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 16000 V | — | — | — | — |
Application Notes
X-ray radiation shielding may be necessary if operated at higher than 16,000V. Visual extinction of focused raster is used for cutoff.
Datasheets
Datasheet: 21CQP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results