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OC78D

Information - Help 
ID = 37178
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Transistor   Audio Frequency 
Identical to OC78D
Similar Tubes
Normally replaceable-slightly different:
  OC72 ; OC75 ; OC81D
First Source (s)
Oct.1958 : -- Collector info (Sammler)

Base Wires
Filament Solid State
Description PNP Germanium Transistor intended as AF Driver 
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
 
oc78d_aw.jpg
OC78D: Andrew Wylie
Günther Stabe † 19.8.20

 
r9_26.gif
OC78D: TTT Steidle 1981
Günther Stabe † 19.8.20

 

Usage in Models 1= 1958? ; 3= 1958 ; 1= 1959?? ; 2= 1959? ; 12= 1959 ; 1= 1960?? ; 4= 1960? ; 13= 1960 ; 1= 1961? ; 2= 1961 ; 2= 1962? ; 1= 1963? ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):44

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