
Tube-number record
12HPX
0 archive entries
12HPX is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Research Enterprises, Ltd., construction Display / CRT, base Metal Shell, socket Magnal, and maximum plate voltage 5500 V. The archive does not yet hold a photographed example of this type.
BrandResearch Enterprises, Ltd.
ClassCathode Ray Tube
BaseMagnal
Filament6.3 V @ 0.6 mA
Construction
Primary TypeDisplay / CRT
Envelope796 Cl
Base MaterialMetal Shell
Sections1
Filament / Heater
Heater NotesHeater current 0.6A ± 10%
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 5000 V | — | — | — | 3 mA |
Application Notes
Spot centering within 45 mm square. Positive voltage on D1 deflects beam toward pin #8. Positive voltage on D3 deflects beam toward pin #11.
0 results