radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

GC521K

Information - Help 
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
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
  gc521k.png
  GC521K: Elektr. Jahrb. 1975 S. 100
Egon Strampe
 
gc521k.jpg
GC521K: R.O.
Ralph Oppelt

 
to1_k_tvt73_20.gif
GC521K: TVT 73
Günther Stabe † 19.8.20

 

Usage in Models 1= 1970?? ; 2= 1971 ; 1= 1972 ; 1= 1975 ; 1= 1976 ; 1= 1990

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg