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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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627 vacuum tube outline illustration

Tube-number record

627

0 archive entries

627 is a tube type in the TubeDatabase archive (class: Grid Controlled Mercury Vapor Rectifier). Recorded specifications: brand Westinghouse Electric Corp., construction Triode, socket Special / none, and maximum plate voltage 1250 V. The archive does not yet hold a photographed example of this type.

BrandWestinghouse Electric Corp.
ClassGrid Controlled Mercury Vapor Rectifier
BaseSpecial / none

Construction

Primary TypeTriode
Rectifier TypeMercury Vapor
EnvelopeGlass
SectionsSingle

Filament / Heater

Warm-up Time10s

Absolute Maximum Ratings

Datasheets

Datasheet: 627.pdf

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

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    Plate Voltage
    1250 V
    Grid 1 Voltage500 V
    Cathode Current640 mA

    Audio Performance

    Key Features
    • Air Cooled
    • Negative Control Characteristic
    • Grid Controlled