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ID = 37870
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
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

2S25: Radio Shack R-6277
Günther Stabe † 19.8.20

to1_ttt_13.gif 2S25: TTT Steidle 1981
Günther Stabe † 19.8.20

Usage in Models 2= 1958 ; 1= 9999

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

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