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U441_Tfk

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ID = 72579
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transistor   Universal 
Identical to U441_Tfk
Similar Tubes
Normally replaceable-slightly different:
  U440_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 / Siliconix

y_verst._mit_u441.png
U441_Tfk: ELV_Uniscope
Reinhard Keins

to_71_dual_fet~~3.png U441_Tfk: Siliconix
Günther Stabe † 19.8.20

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U441_Tfk: Telefunken Datenblätter
Reinhard Keins

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Collection of

 
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