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OC81

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ID = 35234
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to OC81
Similar Tubes
Normally replaceable-slightly different:
  2G381 ; OC82 ; V15/10P
Other characteristic (electr. data):
  OC81D
First Source (s)
Mar.1957 : Valvo-Berichte
Predecessor Tubes OC79  
Base Wires
Description

PNP germanium junction transistor intended as small power amplifier / driver in AF applications. All-glass body (OC81D), with heat sink (OC81). Red dot indicates collector.
Also made by Philips, Mullard and related manufacturing plants.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 5 x 15 x mm / 0.20 x 0.59 x inch
Weight 4 g / 0.14 oz
Information source -- Collector info (Sammler)   Towers IVT
oc81_umgeb1_1.gif
OC81: Perdio Ltd.: Park Lane PR7
Günther Stabe † 19.8.20
r9_22.gif OC81: TTT Steidle 1981
Günther Stabe † 19.8.20
Usage in Models 2= 1958?? ; 1= 1958? ; 4= 1958 ; 1= 1959?? ; 1= 1959? ; 3= 1959 ; 9= 1960?? ; 4= 1960? ; 26= 1960 ; 1= 1961?? ; 8= 1961? ; 35= 1961 ; 5= 1962?? ; 23= 1962? ; 39= 1962 ; 3= 1963?? ; 34= 1963? ; 48= 1963 ; 26= 1964? ; 32= 1964 ; 3= 1965?? ; 27= 1965? ; 21= 1965 ; 1= 1966?? ; 18= 1966? ; 11= 1966 ; 10= 1967? ; 10= 1967 ; 1= 1968?? ; 6= 1969 ; 1= 1970?? ; 1= 9999? ; 1= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):416

Collection of

Roddie Rankin (GB)
 
img_6329.jpeg

OC81
 
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