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ID = 80471
United States of America (USA)
Brand: DeForest-Tubes
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to 575_DeForest = 875

Base Jumbo 4-pin bayonet Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 5 Volts / If 12.5 Ampere / Direct

Mercury rectifier, tubular bulb with cap and super-jumbo base (A4-29).

  • 15 kV PIV
  • 1.5 A average, 2.5 A peak plate current.

Intended for the power supply section of 5 kW transmitters.

Information source Radio Engineering   
- - Manufacturers Literature   
575_DeForest: Electronics, April 1931
Achim Dassow

575_DeForest: Electronics, April 1931
Achim Dassow

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