radiomuseum.org

OC81D

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ID = 35655
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Transistor   Audio Frequency 
Identical to OC81D
Similar Tubes
Normally replaceable-slightly different:
  2G374B ; OC78D
Other characteristic (electr. data):
  OC81
Predecessor Tubes OC75  
Base Wires
Description

PNP germanium junction transistor intended as driver in AF amplifier applications.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 5 x 15 x mm / 0.20 x 0.59 x inch
Weight 2 g / 0.07 oz
Information source
oc81_umgeb1.gif
OC81D: Perdio Ltd.: Park Lane PR7 Endstufe
Günther Stabe † 19.8.20
allglas_trans_11.gif OC81D: TVT 73
Günther Stabe † 19.8.20
More ...
Usage in Models 1= 1958?? ; 4= 1958 ; 1= 1959? ; 1= 1959 ; 8= 1960?? ; 4= 1960? ; 23= 1960 ; 1= 1961?? ; 8= 1961? ; 34= 1961 ; 4= 1962?? ; 22= 1962? ; 34= 1962 ; 3= 1963?? ; 32= 1963? ; 47= 1963 ; 25= 1964? ; 28= 1964 ; 2= 1965?? ; 27= 1965? ; 17= 1965 ; 1= 1966?? ; 16= 1966? ; 8= 1966 ; 6= 1967? ; 3= 1967 ; 1= 1968?? ; 4= 1969 ; 1= 9999?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):366

Collection of

Günther Stabe † 19.8.20 (D)
 
oc81d_1.jpg

OC81D
 
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