radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

OA79

Information - Help 
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 ; 9= 1957? ; 54= 1957 ; 6= 1958?? ; 22= 1958? ; 101= 1958 ; 5= 1959?? ; 17= 1959? ; 138= 1959 ; 37= 1960?? ; 37= 1960? ; 188= 1960 ; 18= 1961?? ; 29= 1961? ; 182= 1961 ; 19= 1962?? ; 61= 1962? ; 180= 1962 ; 27= 1963?? ; 43= 1963? ; 96= 1963 ; 19= 1964?? ; 27= 1964? ; 85= 1964 ; 32= 1965?? ; 14= 1965? ; 59= 1965 ; 44= 1966?? ; 17= 1966? ; 37= 1966 ; 6= 1967?? ; 16= 1967? ; 20= 1967 ; 5= 1968?? ; 4= 1968? ; 14= 1968 ; 6= 1969?? ; 13= 1969? ; 5= 1969 ; 10= 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):1750

Collection of

 
oa79_1.jpg

OA79
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information