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OA644

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ID = 52871
       
Country:
Germany
Brand: Werk für Bauelemente der Nachrichtentechnik (WBN), Teltow, VEB, RFT (Ostd.) - vorm. DRALOWID
Tube type:  Solid-State-Diode   Detector 
Identical to OA644
Similar Tubes
Normally replaceable-slightly different:
  OA642 ; OA643

Base Wires
Description Material/Aufbau: Germanium Punktkontakt;
Form/Case: (axial);
Daten/electr.data: I F: 10 mA; U F: 1 V; I sp: 20 µA; U sp: 10 V; Imax: 30 mA; Umax: 40 V; tmax: 60 °C.
Ge-Richtdiode für Hochfrequenz - 
Dimensions (WHD)
incl. pins / tip
16 x 6 x mm / 0.63 x 0.24 x inch
Weight 1 g / 0.04 oz
Information source - - -   
-- Collector info (Sammler)   KTT 1969/70
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bq_ktt_10.gif OA644
Günther Stabe † 19.8.20

dioden~~7.png
OA644: Radio und Fernsehen 4/56
Egon Strampe

 

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