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OA91

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ID = 34052
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Solid-State-Diode   Universal 
Identical to OA91
Similar Tubes
Normally replaceable-slightly different:
  AA117 ; AA118 ; AA132 ; AA134 ; OA81 ; RL43g ; SFD108
Other class quality (otherwise equal):
  CV7130
Different maximum ratings:
  1N54A ; AA133 ; OA150 ; OA161
First Source (s)
Mar.1958 : Valvo-Berichte
Predecessor Tubes OA81  
Base Wires
Description Germanium contact point universal purpose 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-Taschenbuch 1963, KTT 1969/70
oa91.gif
OA91: Funktechnik 10/67
Egon Strampe
sod6_14.gif OA91: DVT 1971 ECA
Günther Stabe † 19.8.20
oa91_kennli2.png
OA91: Miniwatt Halbleiterdaten 1960, Wiveg
Markus Müllner
More ...
Usage in Models 1= 1957 ; 1= 1958?? ; 18= 1958 ; 3= 1959? ; 2= 1959 ; 1= 1960?? ; 1= 1960? ; 16= 1960 ; 4= 1961? ; 7= 1961 ; 1= 1962?? ; 1= 1962? ; 20= 1962 ; 3= 1963?? ; 64= 1963 ; 8= 1964?? ; 41= 1964 ; 3= 1965?? ; 56= 1965 ; 2= 1966?? ; 3= 1966? ; 47= 1966 ; 1= 1967? ; 48= 1967 ; 7= 1968?? ; 3= 1968? ; 44= 1968 ; 7= 1969?? ; 12= 1969? ; 56= 1969 ; 17= 1970?? ; 2= 1970? ; 40= 1970 ; 10= 1971?? ; 2= 1971? ; 53= 1971 ; 5= 1972?? ; 28= 1972? ; 16= 1972 ; 1= 1973?? ; 18= 1973? ; 5= 1973 ; 4= 1974?? ; 3= 1974? ; 2= 1974 ; 9= 1975?? ; 10= 1975? ; 1= 1976? ; 1= 1976 ; 1= 1977?? ; 2= 1977? ; 1= 1978 ; 2= 1979 ; 12= 1980??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):726

Collection of

Klaus-Hartwig Müller (D)
Alessio Fantinato (I)
Collection of a member from FIN
Jacky Parmentier (F)
Michael Mischke (D)
Marcello Astolfi (I)
 
oa91_philips.jpg

OA91
 
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