Tube-number record
23FRP4
0 archive entries
23FRP4 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand National Video Corporation, construction Display / CRT, socket CRT base (B7 family), and maximum plate voltage 23000 V. The archive does not yet hold a photographed example of this type.
BrandNational Video Corporation
ClassCathode Ray Tube
BaseCRT base (B7 family)
Filament6.3 V @ 450 mA
Construction
Primary TypeDisplay / CRT
EnvelopeJ-187-K1
SectionsSingle
Filament / Heater
Warm-up Time11s
Heater NotesHeater-cathode voltage max 450V during warm-up, 200V after.
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 16000 V | — | — | — | — |
Application Notes
Visual extinction of focused raster at cathode voltage 35 to 55V DC.
Datasheets
Datasheet: 23FRP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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