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BF422

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ID = 36471
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to BF422
Similar Tubes
Normally replaceable-slightly different:
  2SC1438 ; 2SC1473 ; 2SC1515 ; 2SC1573 ; 2SC1775 ; 2SC1885 ; 2SC1940 ; 2SC1941 ; BF420
Other base and data slightly different:
  BF622
Base Wires
Description NPN silicon triple diffused transistor intended as video amplifier.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 5 x 5 x 4 mm / 0.20 x 0.20 x 0.16 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   TVT 1979/80 ECA, TTT Steidle 1981
bf422_sch.png
BF422: Hameg HM604 Netzteil
Heinz Höger
to92_bce_1.gif BF422: TVT 1969 Verlag Nolde Dachau
Günther Stabe † 19.8.20
bf422_dat1.png
BF422: Toshiba
Thomas Günzel † 1.8.22
More ...
Usage in Models 2= 1975?? ; 11= 1978 ; 2= 1981 ; 1= 1983?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16

Collection of

Collection of a member from D
Jacky Parmentier (F)
Museum Roggenhofer (A)
Egon Strampe (D)
Bekir Yurdakul (F)
Marcello Astolfi (I)
Michael Gnaedig-Fischer (MEX)
Peter Pfeiffer (D)
Karlheinz Fischer (D)
Oskar Elm (D)
 
bf422.jpg

BF422
 
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