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AF181

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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
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

to12_4.gif AF181: TTT Steidle 1981
Günther Stabe † 19.8.20

d_telefunken_af181_1.png
AF181: Telefunken Halbleiter 1967
Walter Heinlin

More ...
Usage in Models 2= 1964?? ; 2= 1964 ; 6= 1965 ; 1= 1966? ; 7= 1966 ; 1= 1967?? ; 4= 1967 ; 2= 1969?? ; 1= 1969 ; 1= 1970??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):27

Collection of

 
d_telefunken_af181.jpg

AF181
 

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