radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

BF422

Information - Help 
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
Filament Solid State
Description NPN silicon triple diffused transistor intended as video amplifier.

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
 
bf422.jpg
BF422: Sammlung
Karlheinz Fischer

 
to92_bce_1.gif
BF422: TVT 1969 Verlag Nolde Dachau
Günther Stabe

 
bf422_dat1.png
BF422: Toshiba
Thomas Günzel


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


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg