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  Old site - 1995 Old semiconductors Transistor-info From Elliots sound products
  Zhaf Broadcasting System Lots of HF and general links Transistor Mostly old types
  Fairchild Semiconductor Data sheets, mostly oldies    
  ON Semiconductor Newer devices and app. notes Transistor data  
  Globalspec Engineering Search Engine    
  RFEngineer Info & app. notes Texas Instruments Op-amp design
  DataSheet 4 You 800.000 data sheets    
  Analog Devices      
  International Rectifier Data & app. notes    
  National Semiconductor Calalog & App notes    
  NEC Electronics Transistor & Diode Home    
  Texas Instruments Data & app. notes, NO trans!