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UF41 Info
Country:  Europe      Brand:  Common type Europe 
  Developer:  Philips; - Eindhoven; Netherlands 
  Tube type:  PENTODE   RF/IF-Stage   Controlling (mu) 
Tube ID = 343
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Identical to UF41 = 12AC5 = HF121 = 121VP = MUF41
First Series   1947 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s) Oct.1947 : Funkschau (FS) Heft 10; 1947
Jul.1946 : Daten und Schaltungen moderner ... Röhren; Philips # 3a
Predecessor Tubes UF21   UF9   UF5  
Successor Tubes 1954 UF89  

Base Rimlock base B8A (Codex=Wh)
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel / series AC/DC / If: 0.1 Ampere / Vf 12.6 Volts /
Tube prices 0 Tube prices (visible for members only)

  uf41_1_1.png
  Giuseppe Antonio Tusini
uf41.jpg
HS
Heinz Schmidt

 
uf41.png
Lorenz Empfänger-Röhren , 9. Auflage
Michael Sigmund

 
datenallgemein.png
Röhren Dokumente Franzis Verlag
Albrecht Schwaderer

Usage in Models   1= 1947?? ; 1= 1947? ; 6= 1947 ; 1= 1948? ; 4= 1948 ; 2= 1949?? ; 2= 1949? ; 15= 1949 ; 18= 1950?? ; 12= 1950? ; 51= 1950 ; 7= 1951?? ; 14= 1951? ; 78= 1951 ; 11= 1952?? ; 10= 1952? ; 81= 1952 ; 12= 1953?? ; 13= 1953? ; 68= 1953 ; 8= 1954?? ; 2= 1954? ; 54= 1954 ; 15= 1955?? ; 5= 1955? ; 60= 1955 ; 10= 1956?? ; 4= 1956? ; 16= 1956 ; 3= 1957? ; 9= 1957 ; 2= 1958?? ; 1= 1958? ; 5= 1958 ; 1= 1959?? ; 1= 1959 ;
Number of Models with this tube   610
Further Information for

UF41    

UF41  (26.07.2005) Júlio Branco Clicks: 535     Replies: 2
Dear friends of the radio   This valve can be substituted by the valve 12AC5, according to outline that I enclose:   Best regardes Júlio Branco from Portugal
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