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AF178

Information - Help 
ID = 33969
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Transistor   VHF 
Identical to AF178
Similar Tubes
Other shape (e.g. bulb type):
  AF106 ; AF306
First Source (s)
Mar.1965 : Valvo-Berichte
Predecessor Tubes AF102  

Base Wires
Was used by Radio/TV-reception etc.
Filament Solid State
Description PNP germanium diffusion-alloy VHF transistor.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 7 x 8 mm / 0.35 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz
Literature -- Collector info (Sammler)   KTT 1969/70
  af178_umgeb.gif
  AF178: Grundig Music Boy 205E: FM-Tuner
Günther Stabe
 
af178.jpg
AF178: B.Pötzsch
Bernd Pötzsch

 
to12_1.gif
AF178: TTT Steidle 1981
Günther Stabe

 
af178_data1.png
AF178: Telefunken, Handbuch Halbleiter 1966/67
Michael Schlör


Usage in Models 1= 1962? ; 1= 1964?? ; 2= 1964? ; 4= 1965?? ; 5= 1965? ; 15= 1965 ; 1= 1966?? ; 16= 1966? ; 14= 1966 ; 24= 1967? ; 4= 1967 ; 1= 1968?? ; 1= 1968 ; 2= 1969? ; 6= 1969 ; 2= 1970?? ; 4= 1970 ; 1= 1971 ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):105


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