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2S31

Information - Help 
ID = 38430
       
Country:
Japan
Brand: TEN (brand), Kobe Kogyo Corporation; Kobe
Tube type:  Transistor   RF/IF-Stage 
Identical to 2S31
Similar Tubes
Normally replaceable-slightly different:
  2N409 ; 2N410 ; 2N412 ; 2S25 ; 2SA53 ; OC45
Predecessor Tubes 2NJ5  
Successor Tubes 2SA32  

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

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 10 x mm / 0.24 x 0.39 x inch
Weight 1 g / 0.04 oz
Literature -- Schematic   
 
2s31_kobe.jpg
2S31: G.S.
Günther Stabe

 
to1_ttt_38.gif
2S31: TTT Steidle 1981
Günther Stabe

 

Usage in Models 1= 1955?? ; 1= 1957 ; 2= 1958? ; 3= 1959? ; 2= 1959 ; 1= 1960? ; 2= 1960 ; 3= 1961? ; 1= 1961 ; 1= 1962? ; 2= 1962 ; 1= 1963?? ; 3= 1965??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23


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