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AC188 Info
Country:  Europe      Brand:  Common type Europe 
  Tube type:  Transistor   Power/Output 
Tube ID = 33703
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Identical to AC188
Similar Tubes AC124 (can normally be replaced - small diff'ce)   AC128 (other shape (e.g. bulb, size))   AC153 (can normally be replaced - small diff'ce)   AC117 (can normally be replaced - small diff'ce)   TF66 (other shape (e.g. bulb, size))   AC178 (different maximum ratings)   AC176 (can normally be replaced - small diff'ce)   AC105 (different maximum ratings)   AC106 (other shape (e.g. bulb, size))   AC131 (different maximum ratings)   AC132 (different maximum ratings)   AC152 (different maximum ratings)   OC318 (other shape (e.g. bulb, size))   AC138 (can normally be replaced - small diff'ce)   AC142 (can normally be replaced - small diff'ce)   AC193 (can normally be replaced - small diff'ce)   SFT322 (different maximum ratings)   AC173 (different maximum ratings)   AC180 (different maximum ratings)   AC184 (different maximum ratings)   OC72 (different maximum ratings)   OC74 (different maximum ratings)   AC139 (can normally be replaced - small diff'ce)   ACY33 (different maximum ratings)   OC79 (different maximum ratings)   OC83 (different maximum ratings)   SFT131 (other shape (e.g. bulb, size))   SFT124 (other base and data slightly different)   SFT130 (other base)   SFT321 (different maximum ratings)   SFT125 (different maximum ratings)   GC301 (can normally be replaced - small diff'ce)  
First Source (s) Mar.1965 : Valvo-Berichte
Predecessor Tubes OC74   AC131   AC132  

Base Wires
Was used by Radio/TV-reception etc.
Filament
Description PNP germanium alloy transistor intended as small 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) 7 x 16 x mm / 0.28 x 0.63 x inch
Weight 3 g / 0.11 oz
Literature -- Collector info (Sammler)   KTT 1969/70

  ac188_umg.gif
  Valvo Handbuch 1968
Günther Stabe
ac188_2.jpg
Eigene Sammlung
Hermann Fleischanderl

 
to1_k_1.gif
TVT 1969 Verlag Nolde Dachau
Günther Stabe

 
ac188_kennli1.gif
Valvo Handbuch 1968
Günther Stabe

Usage in Models   1= 1968 ; 1= 1970 ; 2= 1971 ;
Number of Models with this tube   4
No further Information for

AC188    

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