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2S178

Information - Help 
ID = 39290
       
Country:
Japan
Brand: Common type Japan tube/semicond.
Tube type:  Transistor   VHF 
Identical to 2S178
Similar Tubes
Normally replaceable-slightly different:
  AF185
Other characteristic (electr. data):
  AF106

Base Wires
Filament Solid State
Description PNP germanium _____ high-frequency transistor for general purpose.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 7 x 9 mm / 0.35 x 0.28 x 0.35 inch
Weight 1 g / 0.04 oz
Information source -- Schematic   
 
to5_ttt_87.gif
2S178: TTT Steidle 1981
Günther Stabe † 19.8.20

 

Usage in Models 1= 1959?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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