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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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8517 vacuum tube outline illustration

Tube-number record

8517

0 archive entries

8517 is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand TUNG-SOL, year 1964, construction Pentode, base Glass, socket Subminiature, maximum plate voltage 165 V, and maximum plate dissipation 0.8 W. The archive does not yet hold a photographed example of this type.

BrandTUNG-SOL
ClassPentode
BaseSubminiature
Filament6.3 V @ 150 mA

Construction

Primary TypePentode
EnvelopeJEDEC 3-1
Base MaterialGlass
Sections1

Filament / Heater

Heater NotesLimits of applied voltage: 6.3 +/- 0.3 Volts

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Average Characteristics100 V———6.1 mA

Application Notes

Intended for Class C oscillator and frequency multiplier applications where long life and resistance to shock and vibration are essential.

Filters

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Manufacturers

Brands

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    Plate Voltage165 V
    Plate Dissipation0.8 W
    Grid 2 Voltage155 V
    Cathode Current16 mA
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Subminiature
    • Coated Unipotential Cathode
    • Long Life
    • Resistance to Shock and Vibration
    • Any Mounting Position