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TF77/30

Information - Help 
ID = 40253
       
Country:
Germany
Brand: Siemens; D (S.& Halske / S. Electrogeräte)
Tube type:  Transistor   Universal 
Identical to TF77/30
Similar Tubes
Different maximum ratings:
  TF77
Successor Tubes TF78  

Base Wires
Filament Solid State
Description

PNP germanium ajunction transistor intended as AF medium power amplifier / driver / switch.
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Text in other languages (may differ)
  tf7730.png
  TF77/30: F T 7/58 S.204
Egon Strampe
 
tf77_3.jpg
TF77/30: g.k.
Günter Kudicke

 
tf77_s_1.gif
TF77/30: Blaupunkt Schema
Günther Stabe

 
tf77_dat~~1.png
TF77/30: Taschentabelle 4. Auflage Franzis-Verlag
Heinz Höger


Usage in Models 2= 1957 ; 4= 1958 ; 1= 1959? ; 4= 1959 ; 2= 1960

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13


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