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GC521

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ID = 46633
       
Country:
Czechoslovakia
Brand: Tesla; Praha, Bratislava etc.
Tube type:  Transistor   Power/Output 
Identical to GC521 = GC521K
Similar Tubes
Normally replaceable-slightly different:
  GC520

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

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
  gc521511typ.schalt.png
  GC521: electronica 136
Egon Strampe
 
to1_tvt_101.gif
GC521: TVT 73
Günther Stabe † 19.8.20

 
cs_gc515_gc521_6.png
GC521: electronica 129
Egon Strampe


Usage in Models 1= 1969 ; 1= 1970 ; 1= 1980?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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