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SF121

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ID = 38242
       
Country:
Germany
Brand: Halbleiterwerk Frankfurt /Oder, VEB, (HFO); Frankfurt /Oder (Ostd.)
Tube type:  Transistor   Universal 
Identical to SF121
Similar Tubes
Normally replaceable-slightly different:
  BC108 ; BC141 ; SF127 ; SF129

Base Wires
Description NPN silicon planar transistor for universal purpose.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 7 x mm / 0.35 x 0.28 x inch
Weight 2 g / 0.07 oz
Information source -- Collector info (Sammler)   KTT 1969/70, TVT 1979/80 ECA

sf121gd240.png
SF121: Funkamateur 5/78
Egon Strampe

to5_ttt_15.gif SF121: TTT Steidle 1981
Günther Stabe † 19.8.20

sf121sf123_2.png
SF121: Radio Fernsehen Elektronik 16/68
Egon Strampe

More ...
Usage in Models 1= 1965?? ; 1= 1970?? ; 1= 1970? ; 3= 1972?? ; 2= 1972 ; 1= 1975?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9

Collection of

 
sf121_1.jpg

SF121
 

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