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Tube Database (7,341 tube types · 1,270 archive entries)

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7682 vacuum tube outline illustration

Tube-number record

7682

0 archive entries

7682 is a tube type in the TubeDatabase archive (class: Direct View Storage Tube). Recorded specifications: brand Westinghouse, construction Display / CRT, base Synthetic silicone rubber potting, socket Diheptal, and maximum plate voltage 5000 V. The archive does not yet hold a photographed example of this type.

BrandWestinghouse
ClassDirect View Storage Tube
BaseDiheptal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass with integral magnetic shield
Base MaterialSynthetic silicone rubber potting
SectionsDual Gun (Writing and Flood)

Filament / Heater

Heater NotesRatings apply to both writing and flood guns

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Writing Gun5000 V———0.1 mA
Flood Gun5000 V———0.25 mA

Application Notes

Suitable for airborne fire-control, navigational radar, and transient studies. Designed for military environments with salt spray resistance.

Datasheets

Datasheet: 7682.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Plate Voltage5000 V
    Grid 2 Voltage3000 V
    Grid 1 Voltage-200 V
    H-C Voltage125 V

    Audio Performance

    Key Features
    • Half-Tone or Line storage
    • Flicker-free display
    • High writing speed
    • Integral magnetic shield
    • Potted in silicone rubber
    • Aluminized P20 phosphor