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857A

Information - Help 
ID = 39653
       
Country:
United States of America (USA)
Brand:
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to 857A
Similar Tubes
Normally replaceable-slightly different:
  38157A
Predecessor Tubes 857  
Successor Tubes 857B  

Base Wires Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 5 Volts / If 40 Ampere / Direct
Description

High voltage mercury rectifier; 22KV PIV. Forced air cooling required.
Amperex, Federal and GE.

 
Dimensions (WHD)
incl. pins / tip
x 495 x 183 mm / x 19.49 x 7.20 inch
Weight 1650 g / 58.20 oz
Information source Tube Lore (II)   p. 79
Tube Lore (I)   
Taschenbuch zum Röhren-Codex 1948/49

 

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