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OA81

Information - Help 
ID = 33866
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Solid-State-Diode   Universal 
Identical to OA81
Similar Tubes
Normally replaceable-slightly different:
  1G21 ; AA117 ; AA118 ; AA132 ; AA134 ; CG62H ; CV1353 ; OA91 ; RL43g ; SFD108
Different maximum ratings:
  AA113 ; OA150 ; OA161 ; OA174
First Source (s)
Mar.1955 : Valvo-Berichte
Predecessor Tubes OA71  
Successor Tubes OA91  

Base Wires
Filament Solid State
Description

Germanium point contact general-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
  oa81_umgeb1.gif
  OA81: Braun transistor 1: Anodenspannungserzeugung
Günther Stabe
 
oa81_1.jpg
OA81: Martin Renz
Martin Renz

 
do29_6.gif
OA81: TVT 1969 Verlag Nolde Dachau
Günther Stabe

 
d_valvo_oa81.png
OA81: Valvo_Dioden_Transistoren_1959
Thomas Günzel


Usage in Models 1= 1955?? ; 2= 1955 ; 1= 1956?? ; 3= 1956? ; 13= 1956 ; 2= 1957?? ; 7= 1957? ; 38= 1957 ; 6= 1958? ; 81= 1958 ; 2= 1959?? ; 6= 1959? ; 62= 1959 ; 13= 1960?? ; 2= 1960? ; 100= 1960 ; 10= 1961?? ; 23= 1961? ; 79= 1961 ; 13= 1962?? ; 19= 1962? ; 77= 1962 ; 10= 1963?? ; 6= 1963? ; 28= 1963 ; 20= 1964?? ; 4= 1964? ; 38= 1964 ; 8= 1965?? ; 5= 1965? ; 26= 1965 ; 3= 1966?? ; 3= 1966? ; 30= 1966 ; 3= 1967?? ; 8= 1967? ; 23= 1967 ; 6= 1968?? ; 3= 1968? ; 6= 1968 ; 1= 1969?? ; 15= 1969? ; 8= 1969 ; 7= 1970?? ; 4= 1970 ; 1= 1971 ; 1= 1972?? ; 1= 1973 ; 1= 1975? ; 1= 9999??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):830


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