Tube-number record
12KP4-A
0 archive entries
12KP4-A is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand General Electric, construction Display / CRT, base Small-shell Duodecal, socket Duodecal, and maximum plate voltage 12000 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassCathode-Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeJ99 / Y2Al
Base MaterialSmall-shell Duodecal
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage12000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operating Conditions | 11000 V | — | — | — | — |
Application Notes
The electron gun does not require an external ion-trap magnet. An external conductive coating serves as a filter capacitor when grounded.
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