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5X4G Vacuum Tube New and Used

$14.00
5X4G Vacuum Tube New and Used
5X4G Vacuum Tube New and Used

Home / Shop

5X4G Vacuum Tube New and Used

$14.00
Model Number: 5X4GNEW
5X4G full-wave vacuum power rectifier for radio, TV, and audio power supplies, featuring a 5V filament and 8-pin octal base.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 5X4G is an octal-base full-wave power rectifier designed for high-current power supply service in audio amplifiers, radio chassis, and television receivers. It features a shoulder-type (ST-16) glass envelope and is electrically identical to the classic 5U4G, differing only in its octal pin assignment. Operating on a 5.0V/3.0A filament, it was specified in pre-war and early post-war equipment manufactured by RCA Victor, Zenith, Philco, and Sylvania. Available in NOS and tested used conditions.

  • Type: Full-Wave Vacuum Rectifier

  • Base: 8-Pin Octal (EIA 5Q layout — Filament Pins 7/8, Plates Pins 3/5)

  • Filament Voltage: 5.0V

  • Filament Current: 3.0A

  • Max Peak Inverse Voltage: 1,550V

  • Max DC Output Current: 225 mA

  • Max Peak Plate Current: 675 mA

  • Equivalents & Relatives: 5X4, 5U4G / 5U4 (electrically identical, different pinout), 5Z3 (4-pin UX base equivalent)