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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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217-C vacuum tube outline illustration

Tube-number record

217-C

0 archive entries

217-C is a tube type in the TubeDatabase archive (class: Half-wave vacuum rectifier). Recorded specifications: brand Radio Corporation of America, year 1947, construction Vacuum, base Metal, and socket 4-pin. The archive does not yet hold a photographed example of this type.

BrandRadio Corporation of America
ClassHalf-wave vacuum rectifier
Base4-pin

Construction

Primary TypeVacuum
Rectifier Typehalf-wave
EnvelopeT-18
Base MaterialMetal
Sections1

Filament / Heater

MaterialThoriated Tungsten

Absolute Maximum Ratings

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    Cathode Current150 mA

    Audio Performance

    Key Features
    • Not recommended for new equipment design
    • Thoriated Tungsten Filament