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5Y4GT Vacuum Tube New and Used

$20.00
5Y4GT Vacuum Tube New and Used
5Y4GT Vacuum Tube New and Used

Home / Shop

5Y4GT Vacuum Tube New and Used

$20.00
Model Number: 5Y4GTNEW
5Y4GT directly heated full-wave vacuum power rectifier for radio power supplies and audio chassis, 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 5Y4GT is a directly heated octal-base full-wave power rectifier designed for low-to-medium power supplies in vintage radio receivers and audio chassis. Featuring a compact T-9 glass envelope, it is electrically identical to the widely used 5Y3GT but utilizes a different octal pin arrangement. Operating on a 5.0V/2.0A filament, it was regularly specified in mid-century consoles and tabletop models produced by manufacturers such as Zenith, Philco, RCA Victor, and Crosley. Available in NOS and tested used conditions.

  • Type: Directly Heated 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: 2.0A

  • Max Peak Inverse Voltage: 1,400V

  • Max DC Output Current: 125 mA

  • Max Peak Plate Current: 440 mA

  • Tube Voltage Drop: ~50V @ 125 mA

  • Equivalents & Relatives: 5Y4, 5Y4G, 5Y3GT (electrically identical, different pinout)