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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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12G-K17 vacuum tube outline illustration

Tube-number record

12G-K17

0 archive entries

12G-K17 is a tube type in the TubeDatabase archive (class: Half-wave vacuum rectifier). Recorded specifications: construction Diode, socket Octal, and maximum plate voltage 4500 V. The archive does not yet hold a photographed example of this type.

ClassHalf-wave vacuum rectifier
BaseOctal
Filament12.6 V @ 600 mA

Construction

Primary TypeDiode
Rectifier TypeHalf-wave
EnvelopeGlass
Sections1

Filament / Heater

Warm-up Time11s
Heater Notes11 second warmup time

Absolute Maximum Ratings

Application Notes

For operation in a 525-line, 30-frame television system. The duration of the voltage pulse must not exceed 15 per cent of one horizontal scanning cycle.

Datasheets

Datasheet: 12G-K17.pdf

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

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Brands

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    Plate Voltage4500 V
    Cathode Current175 mA
    H-C Voltage4500 V

    Audio Performance

    Key Features
    • high-perviance
    • half-wave rectifier
    • damper in transformer-less television receivers