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AC172

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ID = 33963
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Transistor   Audio Frequency 
Identical to AC172
Similar Tubes
Other characteristic (electr. data):
  AC127
First Source (s)
Mar.1962 : Valvo-Berichte

Base Wires
Filament Solid State
Description NPN germanium alloy transistor for AF low noise pre-amplifier applications.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 10 x mm / 0.24 x 0.39 x inch
Weight 2 g / 0.07 oz
Literature -- Collector info (Sammler)   KTT 1969/70, TVT 1979 ECA
 
ac172_web.jpg
AC172: CA
Christian ADAM

 
to1_ttt_194.gif
AC172: TTT Steidle 1981
Günther Stabe

 
ac172_daten1.png
AC172: Philips Semiconductor Handbook, 1966
Markus Müllner


Usage in Models 1= 1963? ; 2= 1964? ; 4= 1964 ; 2= 1965?? ; 3= 1965? ; 15= 1965 ; 1= 1966?? ; 3= 1966? ; 23= 1966 ; 2= 1967? ; 11= 1967 ; 1= 1969 ; 1= 1970?? ; 1= 1970

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):70


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