Tube-number record
23DNP4
0 archive entries
23DNP4 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Zenith, year 1963, construction Rectangular Glass, socket CRT base (B12 family), and maximum plate voltage 25000 V. The archive does not yet hold a photographed example of this type.
BrandZenith
ClassCathode Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeRectangular Glass
EnvelopeJ187D1
Sections1
Filament / Heater
Heater NotesWarm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage25000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 20000 V | — | — | — | 0.2 mA |
Application Notes
Visual extinction of focused raster. Individual tubes will have satisfactory focus at some value between 0 and 500 volts.
0 results