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BA121

Information - Help 
ID = 39470
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Solid-State-Diode 
Identical to BA121 = D6_BRC
Similar Tubes
Normally replaceable-slightly different:
  BA110 ; BB100

Base Wires
Filament Solid State
Description Silicon voltage variable capacitance diode for AFC.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
7 x 3 x mm / 0.28 x 0.12 x inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   KTT 1969/70
  ba121_sch.png
  BA121: Telefunken Laborbuch Band V
Heinz Höger
 
ba121.jpg
BA121: G.S.
Günther Stabe

 
do7_10.gif
BA121: DVT 1971 ECA
Günther Stabe

 
d_telefunken_ba121_dat1.png
BA121: Telefunken_Halbleiter_1967
Thomas Günzel


Usage in Models 1= 1964? ; 5= 1964 ; 3= 1965? ; 7= 1965 ; 7= 1966 ; 1= 1967? ; 5= 1967 ; 9= 1968 ; 1= 1969? ; 3= 1969 ; 3= 1970 ; 1= 1971? ; 1= 1972 ; 1= 1973 ; 1= 1974?? ; 1= 1977 ; 1= 1980?? ; 1= 1980 ; 1= 1982 ; 1= 1986?? ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):55



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