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BF255

Information - Help 
ID = 34994
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transistor   UHF 
Identical to BF255
Similar Tubes
Normally replaceable-slightly different:
  2A255 ; 2SC1675 ; 2SC1923 ; 2SC461 ; 2SC645 ; 2SC668 ; 2SC829 ; 2SC838 ; 2SC922 ; BF160 ; BF165 ; BF185 ; BF195 ; BF235 ; BF236 ; BF273 ; BF333 ; BF365 ; BF455 ; BF495 ; CS9016 ; CS9017 ; CS9018 ; CS9021 ; CS9021F ; KM917 ; KM918 ; KSC839 ; MPS9426 ; MPS9625 ; S299T ; SF115 ; SF165
Different maximum ratings:
  BF115 ; BF241
Other base:
  BF395
Other base and data slightly different:
  BF344 ; BF345 ; CS1508 ; CS1509 ; CS1655 ; JE9016 ; KF525 ; MPS9423 ; MPS9626 ; SF295 ; SS9011
First Source (s)
Mar.1968 : Telefunken-Zeitung
Predecessor Tubes BF185  
Successor Tubes BF455   BF495  

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

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
Literature -- Collector info (Sammler)   KTT 1969/70, TTT Steidle 1981
  bf314bf255_1.gif
  BF255: Allegro 301
Egon Strampe
 
bf255.jpg
BF255: Sammlung
Karlheinz Fischer

 
transistor_21b_2.png
BF255
Wolfgang Bauer

 
d_telefunken_bf255_dat1.png
BF255: Telefunken
Thomas Günzel


Usage in Models 1= 1965?? ; 1= 1966 ; 2= 1968?? ; 11= 1968 ; 1= 1969? ; 22= 1969 ; 2= 1970?? ; 3= 1970? ; 36= 1970 ; 25= 1971 ; 2= 1972?? ; 6= 1972? ; 22= 1972 ; 2= 1973? ; 23= 1973 ; 3= 1974 ; 3= 1975?? ; 1= 1975? ; 13= 1975 ; 1= 1976?? ; 1= 1976? ; 1= 1976 ; 3= 1977?? ; 2= 1977? ; 2= 1977 ; 1= 1978?? ; 1= 1978 ; 1= 1979?? ; 1= 1979? ; 1= 1980?? ; 2= 1980? ; 2= 1981? ; 2= 1982 ; 1= 1983?? ; 2= 1983 ; 2= 1984

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):205


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