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OA79

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ID = 33566
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Solid-State-Diode   Detector 
Identical to OA79 = OA72
Similar Tubes
Normally replaceable-slightly different:
  1G95 ; 1N60P ; 2AP13 ; 2AP3 ; 40P1 ; 41P1 ; AA111 ; AA113 ; AA119 ; AM32 ; DS81 ; GEX34 ; GSD5/105 ; K5/105 ; K5/2 ; OA159 ; OA172 ; OA179 ; RL232g ; RL32g ; RL52 ; SFD107 ; SFD111 ; SFD115
Different maximum ratings:
  OA182
First year 1956 -- Collector info (Sammler) Aufgrund fixer Modelle.
First Source (s)
Mar.1957 : Valvo-Berichte
Successor Tubes AA119  
Base Wires
Description

Germanium contact point high-frequency diode, intended for use as detector in FM receivers: for this application factory matched pairs were also sold. 60 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
oa79_umgeb.gif
OA79: Braun T22
Günther Stabe † 19.8.20     More ...
do29.gif OA79: Dioden-Vergleichstabelle 1971 ECA München
Günther Stabe † 19.8.20
oa79_kennl1.png
OA79: Valvo Handbuch 1968
Günther Stabe † 19.8.20
More ...
Usage in Models 1= 1956? ; 11= 1956 ; 10= 1957? ; 54= 1957 ; 6= 1958?? ; 23= 1958? ; 102= 1958 ; 5= 1959?? ; 18= 1959? ; 140= 1959 ; 37= 1960?? ; 39= 1960? ; 188= 1960 ; 18= 1961?? ; 31= 1961? ; 184= 1961 ; 19= 1962?? ; 62= 1962? ; 183= 1962 ; 28= 1963?? ; 43= 1963? ; 98= 1963 ; 21= 1964?? ; 27= 1964? ; 85= 1964 ; 36= 1965?? ; 15= 1965? ; 59= 1965 ; 48= 1966?? ; 19= 1966? ; 37= 1966 ; 6= 1967?? ; 17= 1967? ; 20= 1967 ; 5= 1968?? ; 4= 1968? ; 14= 1968 ; 7= 1969?? ; 13= 1969? ; 5= 1969 ; 11= 1970?? ; 2= 1970? ; 4= 1970 ; 11= 1971?? ; 2= 1971 ; 1= 1972?? ; 1= 1972? ; 2= 1972 ; 1= 1973?? ; 1= 1973? ; 3= 1973 ; 1= 1974? ; 1= 1974 ; 2= 1975?? ; 1= 1975? ; 2= 1980?? ; 1= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1785

Collection of

Jacky Parmentier (F)
Michael Mischke (D)
Horst Willers (D)
Wilfried Hofmüller (A)
Wolfgang Bauer (A)
Hermann Fleischanderl (A)
Marcello Astolfi (I)
Hans Smit (NL)
Jürgen Küting (D)
Michael Gnaedig-Fischer (MEX)
 
oa79_1.jpg

OA79
 
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