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TF77/30

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ID = 40253
       
Country:
Germany
Brand: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München
Tube type:  Transistor   Power/Output 
Identical to TF77/30
Similar Tubes
Different maximum ratings:
  TF77
Successor Tubes TF78  
Base Wires
Description

PNP germanium junction transistor intended as AF medium power amplifier / driver / switch.
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Text in other languages (may differ)
Information source -- Collector info (Sammler)   KTT 1969/70, Towers ITVL
tf7730.png
TF77/30: F T 7/58 S.204
Egon Strampe
tf77_s_1.gif TF77/30: Blaupunkt Schema
Günther Stabe † 19.8.20
tf77_dat~~1.png
TF77/30: Taschentabelle 4. Auflage Franzis-Verlag
Heinz Höger
Usage in Models 2= 1957 ; 4= 1958 ; 1= 1959? ; 5= 1959 ; 2= 1960
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):14

Collection of

Günter Kudicke (D)
 
tf77_3.jpg

TF77/30
 
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