radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

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
Description

NPN silicon planar 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
Information source -- Collector info (Sammler)   TVT 1979/80 ECA, Towers IVT, TTT Steidle 1981
bf238.png
BF238: Schema Weltklang 4501
Egon Strampe
r221_8.gif BF238: TTT Steidle 1981
Günther Stabe † 19.8.20
bf238_dat1.png
BF238: Texas Instruments
Thomas Günzel † 1.8.22
More ...
Usage in Models 6= 1967 ; 7= 1968? ; 8= 1968 ; 1= 1969? ; 25= 1969 ; 1= 1970?? ; 4= 1970? ; 27= 1970 ; 1= 1971?? ; 3= 1971? ; 10= 1971 ; 4= 1972 ; 1= 1973?? ; 1= 1973? ; 4= 1973 ; 2= 1974 ; 2= 1975 ; 3= 1976 ; 1= 1980? ; 1= 1983 ; 1= 1984
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):113

Collection of

Wilfried Hofmüller (A)
Marcello Astolfi (I)
Günther Stabe † 19.8.20 (D)
 
bf238.jpg

BF238
 
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]
  
Data Compliance More Information