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5U4

Information - Help 
ID = 3387
       
Country:
United States of America (USA)
Brand:
Tube type:  Full-Wave Vacuum Rectifier 
Identical to 5U4
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vy)
Filament Vf 5 Volts / If 3 Ampere
Description There is no metal tube 5U4, see under 5U4G 
Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   
  5u4_corrected.png
  5U4: corrected version
Roland Langfeld
 
5u4_std_1.jpg
5U4: G.L.
Götz Linss
 
311_1.png
5U4: Telefunken Werkstattbuch
Wolfgang Bauer
 
5u4_5v4_dat.png
5U4: elektron taschenbuch 1952
Heinz Höger

from Just Qvigstad
Usage in Models 1= 1936 ; 1= 1937?? ; 2= 1937 ; 3= 1938 ; 1= 1939? ; 2= 1939 ; 2= 1940?? ; 2= 1940 ; 1= 1941?? ; 1= 1941? ; 10= 1941 ; 3= 1942? ; 9= 1942 ; 2= 1944 ; 3= 1945?? ; 2= 1945 ; 9= 1946?? ; 1= 1946? ; 3= 1946 ; 2= 1947? ; 11= 1947 ; 1= 1948?? ; 2= 1948? ; 13= 1948 ; 2= 1949?? ; 4= 1949? ; 14= 1949 ; 8= 1950?? ; 3= 1950? ; 3= 1950 ; 2= 1951?? ; 2= 1951 ; 3= 1952?? ; 11= 1952 ; 1= 1953? ; 8= 1953 ; 1= 1954?? ; 3= 1954? ; 6= 1954 ; 10= 1955?? ; 4= 1955? ; 6= 1955 ; 8= 1956?? ; 11= 1956? ; 9= 1956 ; 1= 1957?? ; 4= 1957? ; 3= 1957 ; 1= 1958?? ; 12= 1958? ; 4= 1958 ; 1= 1959?? ; 5= 1959? ; 8= 1959 ; 9= 1960?? ; 1= 1960? ; 1= 1960 ; 1= 1961?? ; 1= 1961? ; 1= 1962?? ; 1= 1962? ; 5= 1963? ; 1= 1964 ; 3= 1965?? ; 1= 1965 ; 1= 1967 ; 1= 1968 ; 1= 1969?? ; 1= 2013
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):274
Collection of Götz Linss (D)
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