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3DX201B

Information - Help 
ID = 47150
       
Country:
People's Republic of China
Brand: Common type China (PRC) tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to 3DX201B
Similar Tubes
Other base and data slightly different:
  BC238

Base Wires
Description NPN silicon planar transistor intended as AF low power amplifier.

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 - - -   
- - -   chin.datasheet
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- - -

hongying_df111_audio~~1.png
3DX201B: Manufacturers manual
Walter Vollenweider

to92_cbe_32.gif 3DX201B: TVT 1969 Verlag Nolde Dachau
Günther Stabe † 19.8.20

Usage in Models 1= 1974?? ; 1= 1974 ; 1= 1981??

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

Collection of

 
3dx201b.jpg

 

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