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1B3 Vacuum Tube New and Used

$4.00
1B3 Vacuum Tube New and Used
1B3 Vacuum Tube New and Used

Home / Shop

1B3 Vacuum Tube New and Used

$4.00
Model Number: 1B3NEW
1B3 octal 8-pin high-voltage rectifier tube with top cap for television CRT power supply circuits. Available in new and used condition.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 1B3 is an 8-pin octal high-voltage half-wave rectifier featuring a top anode cap for television CRT power supplies. It operates on a 1.25V filament supply to provide high-voltage DC rectification in flyback transformer stages.

  • Tube Function: High-Voltage Half-Wave Rectifier

  • Base Design: 8-Pin Octal with Top Cap (Plate)

  • Glass Shape: T-9

  • Filament Power: 1.25 Volts DC / AC

  • Filament Draw: 0.20 Amps

  • Maximum Peak Inverse Voltage: 30,000 Volts

  • Maximum DC Output Current: 2.0 mA

  • Cathode Heating Method: Direct (Filament)