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AA138 Info
Country:  Germany      Brand:  Telefunken Deutschland (TFK) 
  Tube type:  Solid-State-Diode   Detector 
Tube ID = 34223
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Identical to AA138 = OA70 = OA90
Similar Tubes OA160 (different maximum ratings)  
First Source (s) Mar.1962 : -- Collector info (Sammler)

Base Wires
Was used by Radio/TV-reception etc.
Filament
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.

Text in other languages (may differ)
Dimensions (WHD) 5 x 10 x mm / 0.20 x 0.39 x inch
Weight 1 g / 0.04 oz
Literature -- Collector info (Sammler)   KTT 1969/70

diode_aa138.jpg
J.K.
Jürgen Küting

 
sod6_13.gif
DVT 1971 ECA
Günther Stabe

 
aa138_data1.png
Telefunken Handbuch Halbleiter 66/67
Michael Schlör

No further Information for

AA138    

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