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AC188

Information - Help 
ID = 33703
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to AC188
Similar Tubes
Other shape (e.g. bulb type):
  AC106 ; AC128 ; OC318 ; SFT131 ; TF66
Normally replaceable-slightly different:
  2N2431 ; 2N68 ; 2SB370 ; AC117 ; AC124 ; AC138 ; AC139 ; AC142 ; AC153 ; AC193 ; AC556 ; AC570 ; AC571 ; AC572 ; AC573 ; AC577 ; GC188K ; GC301 ; GC510 ; GC510K ; GC511K ; OC988
Different maximum ratings:
  AC105 ; AC131 ; AC132 ; AC152 ; AC173 ; AC178 ; AC180 ; AC184 ; ACY33 ; OC72 ; OC74 ; OC79 ; OC83 ; SFT125 ; SFT321 ; SFT322
Other base:
  SFT130
Other base and data slightly different:
  2SB492 ; SFT124
First Source (s)
Mar.1965 : Valvo-Berichte
Predecessor Tubes OC74   AC131   AC132  
Base Wires
Description

PNP germanium alloy transistor intended as low power amplifier in AF applications.
Made by Valvo, Philips, Telefunken, Siemens and others.
Manufactored with heat sink = AC188K, without heat sink (with separate fastening) = AC188.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 7 x 16 x 7 mm / 0.28 x 0.63 x 0.28 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   KTT 1969/70
ac188_umg.gif
AC188: Valvo Handbuch 1968
Günther Stabe † 19.8.20
to1k_ebc_2.gif AC188: Siemens
Günther Stabe † 19.8.20
More ...
 ac188_kennli1.png
AC188: Valvo Handbuch 1968
Günther Stabe † 19.8.20
More ...
Usage in Models 2= 1960?? ; 1= 1962?? ; 2= 1962? ; 1= 1963?? ; 1= 1963? ; 1= 1964?? ; 1= 1964 ; 11= 1965?? ; 1= 1965? ; 1= 1965 ; 7= 1966?? ; 2= 1966? ; 23= 1966 ; 4= 1967?? ; 14= 1967? ; 94= 1967 ; 18= 1968?? ; 29= 1968? ; 127= 1968 ; 14= 1969?? ; 24= 1969? ; 148= 1969 ; 78= 1970?? ; 35= 1970? ; 104= 1970 ; 27= 1971?? ; 17= 1971? ; 100= 1971 ; 9= 1972?? ; 29= 1972? ; 65= 1972 ; 3= 1973?? ; 10= 1973? ; 55= 1973 ; 9= 1974?? ; 7= 1974? ; 43= 1974 ; 32= 1975?? ; 12= 1975? ; 19= 1975 ; 1= 1976?? ; 12= 1976? ; 26= 1976 ; 4= 1977?? ; 4= 1977? ; 5= 1977 ; 2= 1978?? ; 2= 1978? ; 2= 1979? ; 13= 1980?? ; 1= 1980? ; 1= 1983? ; 1= 1986?? ; 2= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1256

Collection of

Collection of a member from D
Jacky Parmentier (F)
Ulrich Fieseler (D)
Marcello Astolfi (I)
Pentti Lamminen (FIN)
Hermann Fleischanderl (A)
Karlheinz Fischer (D)
Stig Comstedt (S)
Hans Smit (NL)
Wilfried Hofmüller (A)
Museum Roggenhofer (A)
Erich Dorninger (A)
Collection of a member from FIN
Michael Gnaedig-Fischer (MEX)
Günter Kudicke (D)
Oskar Elm (D)
Günther Stabe † 19.8.20 (D)
Sándor Selyem-Tóth (H)
Bernd Pötzsch (D)
Emilio Focosi (I)
 
ac188_2.jpg

AC188
 
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