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BFR31

Information - Help 
ID = 61553
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Transistor   Universal 
Identical to BFR31
Similar Tubes
Normally replaceable-slightly different:
  BFR30

Base Wires
Filament Solid State
Description

Silicon N-channel junction FET.
-

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
3 x 2 x 1 mm / 0.12 x 0.08 x 0.04 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   TTT Steidle 1981
 
nl_philips_bfr31.jpg
BFR31: Sammlung Alois Wolf
Alois Wolf

 
sot_23_s~~6.gif
BFR31: TTT Steidle 1981
Günther Stabe † 19.8.20

 
bfr31_dat.png
BFR31: Valvoheft 1985
Heinz Höger



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