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AD157

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ID = 34902
       
Country:
Germany
Brand: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München
Tube type:  Transistor   Power/Output 
Identical to AD157
Similar Tubes
Normally replaceable-slightly different:
  AD161 ; AD165
First Source (s)
Mar.1963 : -- Collector info (Sammler)

Base SPECIAL TUBEBASE in general
Description NPN germanium alloy transistor intended as power amplifier in AF applications.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
19 x 31 x 10 mm / 0.75 x 1.22 x 0.39 inch
Weight 6 g / 0.21 oz
Information source -- Collector info (Sammler)   KTT 1969/70

ad157_so.png AD157: ECA TVT, Bd1, 1986
Anonymous 10 Collector

Usage in Models 2= 1971? ; 15= 1971 ; 2= 1972? ; 15= 1972 ; 15= 1973 ; 2= 1974 ; 1= 1975

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):52

Collection of

 
ad157_siemens.jpg

AD157
 

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