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0A3 Vacuum Tube New and Used

$5.00
0A3 Vacuum Tube New and Used
0A3 Vacuum Tube New and Used

Home / Shop

0A3 Vacuum Tube New and Used

$5.00
Model Number: 0A3NEW
0A3 voltage regulator vacuum tube for stable 75V reference operation.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 0A3 is a gas-filled cold cathode voltage regulator vacuum tube designed to maintain a stable 75-volt reference output in vintage power supplies, industrial electronics, and antique electronic equipment. It operates by drawing current within a specified range to stabilize DC voltage against line and load variations in classic circuit designs. Available in new and used condition for vintage equipment restoration.

  • Component Type: Gas-filled cold cathode voltage regulator vacuum tube

  • Condition Availability: New and used options

  • Nominal Regulated Voltage: 75 volts

  • Operating Current Range: Typically 5mA to 40mA

  • Application: Vintage power supplies, antique radio chassis, and test equipment regulation circuits

  • Function: Maintains a constant reference DC voltage across varying load and input conditions