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3AG21

Information - Help 
ID = 46031
       
Country:
People's Republic of China
Brand: Common type China (PRC) tube/semicond.
Tube type:  Transistor   RF/IF-Stage 
Identical to 3AG21
Similar Tubes
Normally replaceable-slightly different:
  2SA52 ; 3AG2 ; 3G1A ; AF137
Predecessor Tubes 3G1A  

Base Wires
Filament Solid State
Description PNP germanium alloy transistor intended as AM broadcast mixer / oszillator / IF amplifier.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 6 x 6 mm / 0.24 x 0.24 x 0.24 inch
Weight 1 g / 0.04 oz
Literature -- Schematic   
 
to1_tvt_18.gif
3AG21: TVT 73
Günther Stabe

 

Usage in Models 6= 1963 ; 2= 1965?? ; 18= 1966?? ; 2= 1967?? ; 23= 1968?? ; 2= 1969 ; 2= 1970?? ; 1= 1972?? ; 1= 1978

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):57

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