Tube-number record
7033
0 archive entries
7033 is a tube type in the TubeDatabase archive (class: Direct-Display Half-Tone Storage Tube). Recorded specifications: brand Hughes, construction Other / special, base Glass, socket Miniature 7-pin (B7G), maximum plate voltage 10000 V, and maximum plate dissipation 10 W. The archive does not yet hold a photographed example of this type.
BrandHughes
ClassDirect-Display Half-Tone Storage Tube
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 0.6 mA
Construction
Primary TypeOther / special
Envelope5-3/8 inch Diameter Bulb
Base MaterialGlass
SectionsDual (Writing and Flood Guns)
Filament / Heater
Heater NotesTwo heaters for unipotential cathodes; 0.6A per heater.
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Direct Display Storage | 6000 V | — | — | — | 0.5 mA |
Application Notes
Used in high ambient light levels for PPI or sector scan displays. Requires magnetic shielding for writing and flood guns to maintain collimation. Erase rate is adjustable by pulse duty cycle.
Datasheets
Datasheet: 7033.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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