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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 = MF5336
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
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 † 19.8.20
do29_6.gif OA81: TVT 1969 Verlag Nolde Dachau
Günther Stabe † 19.8.20
d_valvo_oa81.png
OA81: Valvo_Dioden_Transistoren_1959
Thomas Günzel
More ...
Usage in Models 1= 1955?? ; 2= 1955 ; 1= 1956?? ; 5= 1956? ; 13= 1956 ; 2= 1957?? ; 7= 1957? ; 44= 1957 ; 9= 1958? ; 94= 1958 ; 2= 1959?? ; 9= 1959? ; 78= 1959 ; 13= 1960?? ; 2= 1960? ; 116= 1960 ; 10= 1961?? ; 23= 1961? ; 77= 1961 ; 13= 1962?? ; 21= 1962? ; 85= 1962 ; 12= 1963?? ; 11= 1963? ; 43= 1963 ; 22= 1964?? ; 6= 1964? ; 47= 1964 ; 8= 1965?? ; 9= 1965? ; 44= 1965 ; 4= 1966?? ; 6= 1966? ; 34= 1966 ; 3= 1967?? ; 9= 1967? ; 29= 1967 ; 6= 1968?? ; 7= 1968? ; 7= 1968 ; 9= 1969?? ; 15= 1969? ; 9= 1969 ; 6= 1970?? ; 1= 1970? ; 6= 1970 ; 1= 1971 ; 1= 1972?? ; 1= 1973 ; 1= 1975? ; 2= 1977? ; 1= 9999??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):987

Collection of

Martin Renz (D)
Alois Wolf (D)
Günter Kudicke (D)
Oskar Elm (D)
Hans Smit (NL)
Peter Roggenhofer † 25.4.18 (A)
George Papaiz (CDN)
Joachim Haas (D)
Howard Craven (GB)
Collection of a member from E
Hermann Fleischanderl (A)
Wilfried Hofmüller (A)
Marcello Astolfi (I)
Peter Steffen (CH)
 
oa81_3ta.jpg

OA81
 
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