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TF44

Information - Help 
ID = 33953
       
Country:
Germany
Brand: Siemens; D (S.& Halske / S. Electrogeräte)
Tube type:  Transistor   Frequency converter 
Identical to TF44 = GFT44
Similar Tubes
Other shape (e.g. bulb type):
  AF101 ; AF105 ; OC44 ; OC613
Normally replaceable-slightly different:
  OC400
Different maximum ratings:
  AF126 ; AF136
First Source (s)
Mar.1957 : -- Collector info (Sammler)
Successor Tubes TF49  

Base Wires
Filament Solid State
Description

PNP germanium junction transistor for AM broadcast mixer/oscillator applications.
-

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 10 x mm / 0.24 x 0.39 x inch
Weight 2 g / 0.07 oz
Literature -- Collector info (Sammler)   KTT 1969/70, TVT 1979 ECA
  tf44_sch.png
  TF44: Funktechnik ohne Ballast 8.Auflage Franzis-Verlag
Heinz Höger
 
d_siemens_tf44.jpg
TF44: Eigene Sammlung
Siegfried Neumann

 
to44_3k_6.gif
TF44: G.S.
Günther Stabe

 

Usage in Models 1= 1959 ; 1= 1961

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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