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U440_Tfk

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ID = 72573
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transistor   Universal 
Identical to U440_Tfk
Similar Tubes
Normally replaceable-slightly different:
  U441_Tfk

Base Wires
Description

Silicon dual N-channel junction FET intended as high performance low level differential amplifier.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 5 x 5 mm / 0.24 x 0.20 x 0.20 inch
Weight 1 g / 0.04 oz
Information source -- Original-techn. papers.   Vishay

y_verstaerker_hameg.png
U440_Tfk: Hameg Oszilloscope HMxxx
Reinhard Keins

to_71_dual_fet~~2.png U440_Tfk: Telefunken
Günther Stabe † 19.8.20

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u440_seite_0001.png
U440_Tfk: Telefunken Datenblätter
Reinhard Keins

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Collection of

 
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