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UF41

Information - Help 
ID = 343
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to UF41 = 12AC5 = HF121 = 121VP = MUF41 = W142
First year 1947 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Oct.1947 : Funkschau 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)
Filament Vf 12.6 Volts / If 0.1 Ampere / Indirect / Series, AC/DC
Tube prices 2 Tube prices (visible for members only)
 
d_valvo_uf41.jpg
UF41: TreLe
Trev Levick

 
uf41_so.png
UF41: rtt
Michael Schlör

 
datenallgemein.png
UF41: Röhren Dokumente Franzis Verlag
Albrecht Schwaderer


Usage in Models 3= 1947?? ; 1= 1947? ; 12= 1947 ; 2= 1948?? ; 2= 1948? ; 6= 1948 ; 10= 1949?? ; 9= 1949? ; 36= 1949 ; 57= 1950?? ; 26= 1950? ; 70= 1950 ; 12= 1951?? ; 32= 1951? ; 114= 1951 ; 30= 1952?? ; 44= 1952? ; 114= 1952 ; 21= 1953?? ; 37= 1953? ; 102= 1953 ; 22= 1954?? ; 11= 1954? ; 99= 1954 ; 54= 1955?? ; 25= 1955? ; 92= 1955 ; 16= 1956?? ; 12= 1956? ; 38= 1956 ; 8= 1957?? ; 10= 1957? ; 28= 1957 ; 5= 1958?? ; 5= 1958? ; 14= 1958 ; 1= 1959? ; 2= 1959 ; 5= 1960?? ; 3= 1960 ; 2= 1961?? ; 1= 1961 ; 1= 1962?? ; 2= 1963? ; 4= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1200



Forum contributions about this tube
UF41
Threads: 1 | Posts: 3
Hits: 3197     Replies: 2
UF41
Júlio Branco
26.Jul.05
  1

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
Ernst Erb
31.Jul.05
  2 Urs Gloor has put your information to the tube, thank you for telling us, Júlio.

It would be nice of you if you could upload this very nice tube-schematic to both of the tubes.
You just use "Add information to tube" then select "Env. schematic".

The 12AC5 is also missing a picture and pin allocation picture etc. But the pins are already clear with your picture ... ;-)
Júlio Branco
09.Aug.05
  3

Dear Ernst


Following with your suggestion, I already made the upload of the schematic for the tube 12AC5.

 

 

Best Regardes

Júlio Branco, from Portugal
 
UF41
End of forum contributions about this tube

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