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SF173

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ID = 46154
       
Country:
Spain
Brand: Piher, Tudela
Tube type:  Transistor   RF/IF-Stage 
Identical to SF173
Similar Tubes
Other base and data slightly different:
  BF173 ; BF199 ; BF224
Base Wires
Description

NPN silicon epitaxial high-frequency low noise transistor for FI stages in TV tuners.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 5 x 2 x 2 mm / 0.20 x 0.08 x 0.08 inch
Weight 1 g / 0.04 oz
Information source - - Manufacturers Literature   PIHER
x149_5.gif SF173: TTT Steidle 1981
Günther Stabe † 19.8.20
Usage in Models 2= 1968? ; 2= 1969?? ; 2= 1969? ; 4= 1970? ; 3= 1971? ; 1= 1973? ; 1= 1975?? ; 1= 1975 ; 2= 1977
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):18
 
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