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AF181

Information - Help 
ID = 37478
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Transistor   RF/IF-Stage 
Identical to AF181
Similar Tubes
Normally replaceable-slightly different:
  AF121 ; AF200
First Source (s)
Jul.1963 : Funk-Technik (FT)

Base Wires
Filament Solid State
Description Germanium diff.-alloy high-frequency transistor intended as TV IF amplifier.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 7 x mm / 0.35 x 0.28 x inch
Weight 1 g / 0.04 oz
Information source -- Original-techn. papers.   
  af181.gif
  AF181: Funktechnik 15/67
Egon Strampe
 
d_telefunken_af181.jpg
AF181
Siegfried Neumann

 
to12_4.gif
AF181: TTT Steidle 1981
Günther Stabe

 
d_telefunken_af181_1.png
AF181: Telefunken Halbleiter 1967
Walter Heinlin


Usage in Models 2= 1964 ; 5= 1965 ; 1= 1966? ; 7= 1966 ; 2= 1967 ; 2= 1969??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):19


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