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5Y4

Information - Help 
ID = 3689
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  High-vacuum Rectifier 
Identical to 5Y4

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vy)
Filament
Description There is no metal tube 5Y4, see under 5Y4G 
Text in other languages (may differ)
Literature Taschenbuch zum Röhren-Codex 1948/49   

  5y4.png
  5Y4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
5y4.jpg
5Y4: P.ST
Peter Steffen

 
313_2.png
5Y4: Telefunken Werkstattbuch
Wolfgang Bauer

 
5x4_5y3_5y4_dat~~2.png
5Y4: elektron taschenbuch 1952
Heinz Höger


Usage in Models 2= 1936 ; 8= 1937 ; 1= 1938?? ; 12= 1938 ; 1= 1939?? ; 2= 1939? ; 6= 1939 ; 3= 1940?? ; 6= 1941 ; 4= 1942 ; 1= 1946?? ; 2= 1946 ; 1= 1947? ; 1= 1948? ; 4= 1948 ; 2= 1949? ; 1= 1950?? ; 1= 9999
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):58

5Y4*Box
   

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