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GC520

Information - Help 
ID = 49630
       
Country:
Czechoslovakia
Brand: Tesla; Praha, Bratislava etc.
Tube type:  Transistor   Power/Output 
Identical to GC520 = GC520K
Similar Tubes
Normally replaceable-slightly different:
  AC187 ; GC521 ; GC521K

Base Wires
Filament Solid State
Description

NPN germanium transistor intended as driver / AF low power amplifier / switch.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 10 x 6 mm / 0.24 x 0.39 x 0.24 inch
Weight 1 g / 0.04 oz
Information source
  gc520.png
  GC520: Elektr. Jahrb. 1975 S. 100
Egon Strampe
 
gc520.jpg
GC520: Ebay-Verk.: rudi2209
Günther Stabe † 19.8.20

 
to1_tvt_281.gif
GC520: TVT 73
Günther Stabe † 19.8.20

 

Usage in Models 1= 1971? ; 2= 1971 ; 5= 1973

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8


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