Tube-number record
23GP4
0 archive entries
23GP4 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand National Video Corporation, year 1959, construction Display / CRT, socket CRT base (B7 family), and maximum plate voltage 20000 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 @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeJ-187AL
Sections1
Filament / Heater
Heater NotesRated voltage range 5.6 to 7.0 V
Absolute Maximum Ratings
Plate Voltage20000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 16000 V | — | — | — | — |
Application Notes
X-ray radiation shielding may be necessary to protect against possible danger of personal injury from prolonged exposure at close range if this tube is operated at anode voltages higher than 16,900 volts.
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