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4J25

Information - Help 
ID = 9239
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Pulse magnetron 
Identical to 4J25
Similar Tubes
Multiple differences or of other kind:
  5J26

Was used by Radar
Filament Vf 23.5 Volts / If 2 Ampere / Half indirect
Description

Fixed frequency L-band magnetron of the 4J21 family. Forced air cooling. 27KV at 46A; 600KW on coaxial output.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   

4j21th25_01~~4.png
4J25: Manufacturer's Literature
Emilio Ciardiello

More ...
 
4j21_cut_1.jpg

 

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