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OA73

Information - Help 
ID = 34735
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Solid-State-Diode   Detector 
Identical to OA73
Similar Tubes
Normally replaceable-slightly different:
  1N87G ; OA159 ; OA70
First Source (s)
Mar.1957 : Valvo-Berichte

Base Wires
Filament Solid State
Description Germanium contact point high-frequency diode, 75 degrees C max operating temperature.
Also made by the other Philips related manufacturers. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 12 x mm / 0.20 x 0.47 x inch
Weight 1 g / 0.04 oz
Information source - - Manufacturers Literature   Valvo-Handbuch 1968, KTT 1969/70
  oa_73.png
  OA73: Funkschau 5/65 S.121
Egon Strampe
 
mullard_oa73_detail.jpg
OA73: RFJ
Roy Johnson

 
do29_28.gif
OA73: DVT 1971 ECA
Günther Stabe

 
d_valvo_oa73_1.png
OA73: Valvo_Dioden_Transistoren_1959
Thomas Günzel


Usage in Models 1= 1955?? ; 1= 1956 ; 1= 1960?? ; 1= 1960? ; 1= 1960 ; 1= 1961? ; 2= 1961 ; 1= 1962? ; 7= 1962 ; 2= 1963?? ; 2= 1963? ; 1= 1964 ; 2= 1965 ; 1= 1968 ; 1= 1970?? ; 1= 1970 ; 1= 1971

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


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