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80TUB Vacuum Tube New and Used

$9.00
80TUB Vacuum Tube New and Used
80TUB Vacuum Tube New and Used

Home / Shop

80TUB Vacuum Tube New and Used

$9.00
Model Number: 80TUB-NEW
80TUB full-wave rectifier tube with 5.0V filament and 4-pin UX base.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 80TUB is a classic 4-pin UX-base full-wave power rectifier vacuum tube introduced by RCA in 1927. Widely used in 1930s and 1940s mains-powered radio receivers, it converts AC voltage into DC output for power supply filter circuits. Featuring dual directly heated filaments, it operates on a 5.0V filament supply and fits standard 4-pin sockets. The 80TUB serves as the 4-pin predecessor to later 8-pin octal rectifiers like the 5Y3G. Available NOS and tested used.

  • Type: Full-Wave Vacuum Rectifier (Power Supply)

  • Base: 4-Pin UX Base (EIA 4-Pin layout)

  • Filament Voltage: 5.0V

  • Filament Current: 2.0A

  • Max AC Plate Voltage (per Plate): 350V RMS

  • Max DC Output Current: 125mA

  • Max Peak Inverse Voltage (PIV): 1400V

  • Equivalents & Relatives: 80, 80TUB, 5Y3G / 5Y3GT (octal equivalent), 5Z4 (indirectly heated octal relative), 280, UX-280 (earlier designations)