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AF138

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ID = 33939
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transistor   RF/IF-Stage 
Identical to AF138
Similar Tubes
Other shape (e.g. bulb type):
  OC169 ; OC612
Normally replaceable-slightly different:
  NKT685
Other base and data slightly different:
  35816 ; 35817 ; 35819 ; 35824
First Source (s)
Mar.1963 : Telefunken-Zeitung
Predecessor Tubes AF105   OC612   AF105a  

Base Wires
Description PNP germanium diffusion alloy transistor for high-frequency applications.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 10 x 5 mm / 0.20 x 0.39 x 0.20 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   KTT 1969/70, TVT 1979 ECA

af138.png
AF138: Schema: Dorena 6402
Egon Strampe

to72l_ebcs_7.gif AF138: TVT 73
Günther Stabe † 19.8.20

af138_data1.png
AF138: Telefunken, Handbuch Halbleiter 1966/67
Anonymous 10 Collector

More ...
Usage in Models 3= 1962 ; 4= 1963? ; 12= 1963 ; 2= 1964?? ; 7= 1964? ; 39= 1964 ; 3= 1965?? ; 12= 1965? ; 57= 1965 ; 1= 1966?? ; 4= 1966? ; 37= 1966 ; 2= 1967?? ; 8= 1967? ; 36= 1967 ; 1= 1968? ; 26= 1968 ; 1= 1969? ; 17= 1969 ; 11= 1970 ; 2= 1971? ; 3= 1971 ; 1= 1972? ; 1= 1977?? ; 1= 1978? ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):292

Collection of

 
af138_1.jpg

AF138
 

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