Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 33953
Brand: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München
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:
Different maximum ratings:
  AF126 ; AF136
First Source (s)
Mar.1957 : -- Collector info (Sammler)
Successor Tubes TF49  

Base Wires
Filament Solid State

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
Information source -- Collector info (Sammler)   KTT 1969/70, TVT 1979 ECA
  TF44: Funktechnik ohne Ballast 8.Auflage Franzis-Verlag
Heinz Höger
TF44: Eigene Sammlung
Siegfried Neumann

More ...
TF44: G.S.
Günther Stabe † 19.8.20

More ...

Usage in Models 1= 1959 ; 1= 1961

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

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]