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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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Tube-number record

HALF WAVE RECTIFIER

0 archive entries

HALF WAVE RECTIFIER is a tube type in the TubeDatabase archive (class: High Vacuum Rectifier). Recorded specifications: brand Ferranti, year 1958, construction Indirectly heated, base Standard, socket 4-pin, and maximum plate voltage 12500 V. The archive does not yet hold a photographed example of this type.

BrandFerranti
ClassHigh Vacuum Rectifier
Base4-pin
Filament2.5 V @ 1750 mA

Construction

Primary TypeIndirectly heated
Rectifier TypeHalf Wave
EnvelopeGlass
Base MaterialStandard
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Capacitor Input Filter5500 V———2 mA

Application Notes

Designed for use in applications where shock and vibration are encountered. Max hot switching transient current duration 200 milliseconds.

Filters

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Manufacturers

Brands

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    Absolute Maximum Ratings

    Plate Voltage12500 V
    Cathode Current7.5 mA
    H-C Voltage350 V

    Audio Performance

    Key Features
    • Shock and vibration resistant
    • Any mounting position
    • Clear bulb