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2S25

Information - Help 
ID = 37870
       
Country:
Japan
Brand: Toshiba Corporation; Tokyo
Tube type:  Transistor   RF/IF-Stage 
Identical to 2S25
Similar Tubes
Normally replaceable-slightly different:
  2N409 ; 2S31 ; 2SA53 ; AF127
First Source (s)
Mar.1957 : -- Schematic
Predecessor Tubes 2S13  
Successor Tubes 2SA53   2S45  

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 2 g / 0.07 oz
  2s12_15_umgeb1_2.gif
  2S25: Radio Shack R-6277
Günther Stabe
 
to1_ttt_13.gif
2S25: TTT Steidle 1981
Günther Stabe

 

Usage in Models 1= 1958 ; 1= 1959

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

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