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UCH11

Information - Help 
ID = 254
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH 
Tube type:  Triode-Hexode   Frequency converter   Controlling (mu) 
Identical to UCH11
Similar Tubes
Other shape (e.g. bulb type):
  UCH11g
Heater different:
  VCH11
Other base:
  UCH171
Differences not known by us:
  UCH12
Multiple differences or of other kind:
  UCH11E
First year Jul.1939 Tube leaflet collection E.Erb Analysis by original leaflets (V7, T8)
First Source (s)
23.Jul.1939 : Funkschau 1939 #30
1939 : TR3916-145
Predecessor Tubes CK1   CCH1  
Successor Tubes 1948   UCH42   UCH41   UCH171   UCH12  

Base German Steel Y8A, 1938 (Codex=Rh)
Was used by Radio/TV-reception etc.
Filament Vf 20 Volts / If 0.1 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Tube prices 12 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

uch11.png
UCH11: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

51_1.png UCH11: Telefunken Werkstattbuch
Wolfgang Bauer

More ...

Just Qvigstad
uch11_data01.png
UCH11: Telefunken 1942
Robert Schmalstieg

More ...
Usage in Models 8= 1939? ; 38= 1939 ; 5= 1940?? ; 15= 1940? ; 32= 1940 ; 3= 1941?? ; 4= 1941? ; 41= 1941 ; 2= 1942?? ; 10= 1942? ; 32= 1942 ; 1= 1943?? ; 8= 1943? ; 4= 1943 ; 2= 1944?? ; 1= 1944? ; 4= 1944 ; 2= 1945?? ; 1= 1945? ; 5= 1945 ; 2= 1946? ; 13= 1946 ; 1= 1947?? ; 7= 1947? ; 54= 1947 ; 3= 1948?? ; 13= 1948? ; 73= 1948 ; 2= 1949?? ; 9= 1949? ; 108= 1949 ; 4= 1950?? ; 10= 1950? ; 99= 1950 ; 3= 1951? ; 19= 1951 ; 3= 1952?? ; 7= 1952? ; 13= 1952 ; 1= 1953?? ; 1= 1953? ; 13= 1953 ; 2= 1954? ; 8= 1954 ; 1= 1956 ; 9= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):696


Collection of

 
uch11.jpg

UCH11
 

Variants

UCH11 glass version of the former GDR (German Democratic Republic) w/ horizontal structure

UCH11 von Lorenz; Glaskolben mit Abschirmkappe aus Leichtmetall.

UCH11 glass version by Telefunken after 1945 with vertical electrode structure w/out suffix G in the designation


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