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TF77

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ID = 35739
       
Country:
Germany
Brand: Siemens; D (S.& Halske / S. Electrogeräte)
Tube type:  Transistor   Power/Output 
Identical to TF77
Similar Tubes
Normally replaceable-slightly different:
  T-1352
Different maximum ratings:
  TF77/30 ; TF78
First Source (s)
Mar.1958 : -- Collector info (Sammler)
Successor Tubes TF78  

Base Wires
Filament Solid State
Description

PNP germanium junction transistor intended as AF medium power amplifier.
-

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
15 x 9 x mm / 0.59 x 0.35 x inch
Weight 3 g / 0.11 oz
  tf77_sch.gif
  TF77: Halbleiter-Schaltbeispiele 1958
Bernd Pötzsch
 
tf77a_uf.jpg
TF77: KUF
Ulrich Fieseler

More ...
 
tf77_s.gif
TF77: Blaupunkt Schema
Günther Stabe † 19.8.20

 
tf77_dat.png
TF77: Taschentabelle 4. Auflage Franzis-Verlag
Heinz Höger


Usage in Models 1= 1958?? ; 2= 1958 ; 1= 1959? ; 8= 1959 ; 1= 1960

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

Collection of a member from A

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