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1S5 Vacuum Tube New and Used

$5.00
1S5 Vacuum Tube New and Used
1S5 Vacuum Tube New and Used

Home / Shop

1S5 Vacuum Tube New and Used

$5.00
Model Number: 1S5NEW
Type 1S5 7-pin miniature diode-sharp-cutoff pentode tube for 1.4-volt battery radio 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 1S5 is a 7-pin miniature diode-sharp-cutoff pentode designed for signal detection, AVC, and first-stage AF voltage amplifier service in portable battery-operated radio receivers. It operates on a low-drain 1.4V direct filament supply.

  • Tube Function: Single Diode / Sharp-Cutoff Pentode

  • Base Design: 7-Pin Miniature (Button Base, 7AK / B7G)

  • Glass Shape: T-5 1/2

  • Filament Power: 1.4 Volts DC

  • Filament Draw: 0.05 Amps (50 mA)

  • Maximum Plate Voltage: 90 Volts DC

  • Maximum Screen Grid Voltage: 67.5 Volts DC

  • Cathode Heating Method: Direct (Filament)