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ID = 46154
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
Filament Solid State

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
Literature - - Manufacturers Literature   PIHER
SF173: TTT Steidle 1981
Günther Stabe


Usage in Models 1= 1975?? ; 1= 1975 ; 2= 1977

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):4

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