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BF238

Information - Help 
ID = 38351
       
Country:
United States of America (USA)
Brand: Texas Instruments, Dallas
Tube type:  Transistor   RF/IF-Stage 
Identical to BF238 = RF4
Similar Tubes
Other shape (e.g. bulb type):
  BF594
Normally replaceable-slightly different:
  BF254 ; BF454 ; BF494
Other base and data slightly different:
  BF184 ; BF240

Base Wires
Filament Solid State
Description

NPN silicon planar high-frequency transistor.
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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
Literature -- Collector info (Sammler)   TVT 1979/80 ECA, Towers IVT, TTT Steidle 1981
  bf238.png
  BF238: Schema Weltklang 4501
Egon Strampe
 
bf238.jpg
BF238: G.S.
Günther Stabe

 
r221_8.gif
BF238: TTT Steidle 1981
Günther Stabe

 
bf238_dat1.png
BF238: Texas Instruments
Thomas Günzel


Usage in Models 6= 1967 ; 7= 1968? ; 7= 1968 ; 22= 1969 ; 3= 1970? ; 20= 1970 ; 11= 1971 ; 4= 1972 ; 4= 1973 ; 1= 1975 ; 3= 1976 ; 1= 1983 ; 1= 1984

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):90


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