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GC521K

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ID = 46099
       
Country:
Czechoslovakia
Brand: Tesla; Praha, Bratislava etc.
Tube type:  Transistor   Power/Output 
Identical to GC521K = GC521
Similar Tubes
Normally replaceable-slightly different:
  AC187 ; GC520
Base Wires
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		 7 x 15 x 7 mm / 0.28 x 0.59 x 0.28 inch
Weight 2 g / 0.07 oz
Information source
gc521k.png
GC521K: Elektr. Jahrb. 1975 S. 100
Egon Strampe
to1_k_tvt73_20.gif GC521K: TVT 73
Günther Stabe † 19.8.20
Usage in Models 1= 1970?? ; 1= 1970 ; 5= 1971 ; 1= 1972 ; 1= 1973? ; 1= 1973 ; 1= 1975 ; 1= 1976 ; 1= 1990
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13

Collection of

Ralph Oppelt † 3.4.24 (D)
 
gc521k.jpg

 
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