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38181

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ID = 7563
       
Country:  United States of America (USA)      Brand: Common type USA tube/semicond.
  Tube type:  Half-Wave Vacuum Rectifier 
Identical to 38181
Similar Tubes Normally replaceable-slightly different:
 81

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Filament Vf 7.5 Volts / If 1.2 Ampere / Direct /
Description US Navy code for commercial type 81. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore, Sibley, USA 1996   

38181_so.png
38181
Michael Schlör

 

38181*Box
   

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