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3DG201B

Information - Help 
ID = 47172
       
Country:
People's Republic of China
Brand: Common type China (PRC) tube/semicond.
Tube type:  Transistor   Universal 
Identical to 3DG201B
Similar Tubes
Normally replaceable-slightly different:
  3DG201

Base Wires
Filament Solid State
Description NPN silicon planar transistor for universal purpose.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 5 x 4 mm / 0.20 x 0.20 x 0.16 inch
Weight 1 g / 0.04 oz
Information source
  hongying_df111_rf.png
  3DG201B: Manufacturers manual
Walter Vollenweider
 
3dg201b.jpg
3DG201B: W. V.
Walter Vollenweider

 
to92_cbe_33.gif
3DG201B: TVT 1969 Verlag Nolde Dachau
Günther Stabe † 19.8.20

 

Usage in Models 1= 1974?? ; 1= 1981??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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