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GC520K

Information - Help 
ID = 47974
       
Country:
Czechoslovakia
Brand: Tesla; Praha, Bratislava etc.
Tube type:  Transistor   Power/Output 
Identical to GC520K = GC520
Similar Tubes
Normally replaceable-slightly different:
  AC187

Base Wires
Filament Solid State
Description NPN germanium transistor intended as driver / AF low power amplifier / switch.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
7 x 15 x 7 mm / 0.28 x 0.59 x 0.28 inch
Weight 2 g / 0.07 oz
Information source
 
gc520k_pp.jpg
GC520K: Petr Polasek
Günther Stabe † 19.8.20

 
to1_k_tvt73_23.gif
GC520K: TVT 73
Günther Stabe † 19.8.20

 
cs_gc515_gc521_5.png
GC520K: electronica 129
Egon Strampe


Usage in Models 1= 1970 ; 1= 1971 ; 1= 1972 ; 1= 1974?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4


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