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

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8530 vacuum tube outline illustration

Tube-number record

8530

0 archive entries

8530 is a tube type in the TubeDatabase archive (class: Sharp-Cutoff Pentode). Recorded specifications: brand Toshiba, construction Pentode, base Ceramic, socket Subminiature, maximum plate voltage 165 V, and maximum plate dissipation 1.1 W. The archive does not yet hold a photographed example of this type.

BrandToshiba
ClassSharp-Cutoff Pentode
BaseSubminiature
Filament6.3 V @ 150 mA

Construction

Primary TypePentode
EnvelopeMetal shell
Base MaterialCeramic
SectionsSingle

Filament / Heater

Heater NotesCoated unipotential cathode

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 amplifier100 V5000260000—7.5 mA

Application Notes

Designed for RF or IF amplifier in high-frequency broad-band circuits of industrial and military airborne equipment. Suitable for on-off control applications.

Datasheets

Datasheet: 8530.pdf

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

Filters

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Manufacturers

Brands

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    Plate Voltage165 V
    Plate Dissipation1.1 W
    Grid 2 Voltage155 V
    Grid 1 Voltage-55 V
    Cathode Current16.5 mA
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Micro metal miniature construction
    • Metal shell
    • Ceramic stem
    • Severe shock and vibration resistant
    • High-frequency up to 400 Mc
    • Maintain emission after long cutoff periods