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BF197

Information - Help 
ID = 38191
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Transistor   VHF 
Identical to BF197 = TVT5
Similar Tubes
Normally replaceable-slightly different:
  BF199 ; BF224 ; BF311 ; BF597 ; BF597

Base Wires
Filament Solid State
Description NPN silicon planar high-frequency transistor intended as TV IF amplifier. Manufactured by Philips and related companies.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
8 x 5 x 5 mm / 0.31 x 0.20 x 0.20 inch
Weight 1 g / 0.04 oz
Literature -- Collector info (Sammler)   KTT 1969/70
  bf197_sch.png
  BF197: Seefunkgerät USE 196
Heinz Höger
 
bf197_1.jpg
BF197: Sammlung
Karlheinz Fischer

 
sot25_9.gif
BF197: TVT 1979/80 ECA
Günther Stabe

 
bf197_data.png
BF197: National Semiconductor 1978
Heinz Höger


Usage in Models 7= 1969? ; 1= 1969 ; 7= 1970?? ; 1= 1970? ; 11= 1970 ; 5= 1971 ; 2= 1972?? ; 1= 1972 ; 1= 1973?? ; 4= 1973? ; 22= 1973 ; 2= 1974?? ; 1= 1974? ; 5= 1974 ; 8= 1975?? ; 2= 1975? ; 1= 1975

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):81


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