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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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5A/102-A vacuum tube outline illustration

Tube-number record

5A/102-A

0 archive entries

5A/102-A is a tube type in the TubeDatabase archive (class: Output Pentode). Recorded specifications: brand Standard Valves, construction Pentode, socket 6-pin, and maximum plate voltage 180 V. The archive does not yet hold a photographed example of this type.

BrandStandard Valves
ClassOutput Pentode
Base6-pin
Filament7.5 V @ 0.85 mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesConstant current type

Absolute Maximum Ratings

Plate Voltage180 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode180 V250043000110—

Application Notes

Maximum direct screen current 10 mA. Maximum control grid resistance using auto-bias is 500,000 ohms.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Grid 2 Voltage150 V
    Cathode Current50 mA

    Audio Performance

    Power Output1 W
    Key Features
    • Indirectly heated oxide coated cathode
    • Constant current type
    • Control grid top cap type B