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1U4

Information - Help 
ID = 2627
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 1U4 = DF904 = DT153
Similar Tubes
Normally replaceable-slightly different:
  5910
First Source (s)
Aug.1945 : Electron Tube Registration List

Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zoo)
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery = /
Tube prices 2 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

  1u4.png
  1U4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
1u4.jpg
1U4: MS
Martin Steyer

 
Variants
 
1u4.png
1U4: Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe

 
1u4.png
1U4: Valvulas de recepción manual RC-20
Miguel Angel Trujillo-Rodriguez


Usage in Models 1= 1946? ; 7= 1946 ; 3= 1947?? ; 4= 1947? ; 35= 1947 ; 4= 1948?? ; 9= 1948? ; 68= 1948 ; 10= 1949?? ; 4= 1949? ; 68= 1949 ; 23= 1950?? ; 17= 1950? ; 74= 1950 ; 13= 1951?? ; 9= 1951? ; 49= 1951 ; 8= 1952?? ; 23= 1952? ; 47= 1952 ; 4= 1953?? ; 42= 1953? ; 78= 1953 ; 7= 1954?? ; 65= 1954? ; 50= 1954 ; 19= 1955?? ; 75= 1955? ; 60= 1955 ; 3= 1956?? ; 57= 1956? ; 51= 1956 ; 2= 1957?? ; 45= 1957? ; 12= 1957 ; 4= 1958?? ; 2= 1958? ; 17= 1958 ; 4= 1959? ; 39= 1959 ; 7= 1960 ; 1= 1965?? ; 1= 1968?
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1121

1U4*Box

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Franz Scharner

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Franz Scharner

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Egon Strampe

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