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BFR91

Information - Help 
ID = 36591
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Transistor   UHF 
Identical to BFR91
Similar Tubes
Normally replaceable-slightly different:
  BFR34
Different maximum ratings:
  BFR91A ; BFT65

Base Wires
Filament Solid State
Description NPN silicon epitaxial planar very high frequency transistor.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 3 x mm / 0.20 x 0.12 x inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   TVT 1979/80 ECA, TTT Steidle 1981
  bfr91_sch.png
  BFR91: Valvo Handbuch 81/82
Heinz Höger
 
bfr91.jpg
BFR91: ma propre collection
Jacky Parmentier

 
w22_2.gif
BFR91: TTT Steidle 1981
Günther Stabe

 
bfr91_dat1.png
BFR91: Valvo
Thomas Günzel


Usage in Models 1= 1972? ; 1= 1978?? ; 2= 1980?? ; 1= 1985?? ; 1= 1990?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6


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