radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

UBF11

Information - Help 
ID = 703
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH 
Tube type:  Double Diode-Pentode   RF/IF-Stage   Controlling (mu) 
Identical to UBF11
Similar Tubes
Other shape (e.g. bulb type):
  UBF11g
Normally replaceable-slightly different:
  UBF11E
Heater different:
  VBF11
Other base:
  UBF171
First year Jul.1939 Tube leaflet collection E.Erb Analysis by original leaflets (V7, T8)
First Source (s)
23.Jul.1939 : Funkschau 1939 #30
Successor Tubes 1948   UBF80   UAF42   UBF15   UBF171  

Base German Steel Y8A, 1938 (Codex=Rh)
Filament Vf 20 Volts / If 0.1 Ampere / Indirect / Series, AC/DC
Tube prices 14 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  ubf11.png
  UBF11: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
ubf_tf_r.jpg
UBF11: collection JR
Jacob Roschy

 
ubf11.png
UBF11: JK Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe

 
ubf11_data1.png
UBF11: Telefunken 1942
Robert Schmalstieg


Usage in Models 8= 1939? ; 48= 1939 ; 5= 1940?? ; 14= 1940? ; 30= 1940 ; 4= 1941?? ; 3= 1941? ; 38= 1941 ; 1= 1942?? ; 8= 1942? ; 31= 1942 ; 2= 1943?? ; 6= 1943? ; 3= 1943 ; 2= 1944?? ; 1= 1944? ; 6= 1944 ; 3= 1945?? ; 1= 1945? ; 4= 1945 ; 1= 1946? ; 16= 1946 ; 1= 1947?? ; 5= 1947? ; 51= 1947 ; 2= 1948?? ; 10= 1948? ; 56= 1948 ; 1= 1949?? ; 11= 1949? ; 75= 1949 ; 5= 1950?? ; 5= 1950? ; 83= 1950 ; 4= 1951? ; 16= 1951 ; 3= 1952?? ; 7= 1952? ; 11= 1952 ; 1= 1953?? ; 1= 1953? ; 13= 1953 ; 1= 1954? ; 4= 1954 ; 9= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):610



You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg