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AA138

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ID = 34223
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Solid-State-Diode   Detector 
Identical to AA138 = OA70 = OA90
Similar Tubes
Normally replaceable-slightly different:
  1S80 ; MA51 ; MA51A ; MA80
Different maximum ratings:
  OA160
First Source (s)
Mar.1962 : -- Collector info (Sammler)
Base Wires
Description Material/Aufbau: Germanium Punktkontakt;
Form/Case: Allglas, ähnlich DO-29;
Daten/electr.data: I F: 10 mA; U F: 0.9 V; I sp: 18 µA; U sp: 10 V; Imax: 25 mA; Umax: 15 V; tmax: 100 °C.
- 
Dimensions (WHD)
incl. pins / tip		 5 x 10 x mm / 0.20 x 0.39 x inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   KTT 1969/70
aa138_sch.png
AA138: Telefunken Laborbuch Band V
Heinz Höger
sod6_13.gif AA138: DVT 1971 ECA
Günther Stabe † 19.8.20
aa138_data1.png
AA138: Telefunken Handbuch Halbleiter 66/67
Anonymous 10 Collector
More ...
Usage in Models 4= 1965? ; 2= 1967?? ; 1= 1967? ; 4= 1967 ; 3= 1968 ; 3= 1969?? ; 5= 1969? ; 6= 1969 ; 2= 1970?? ; 1= 1970? ; 1= 1970 ; 1= 1971?? ; 7= 1971? ; 3= 1971 ; 2= 1972?? ; 3= 1972
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):48

Collection of

Jürgen Küting (D)
 
diode_aa138.jpg

 
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