Worldwide Discrete Power Diode Revenue (millions of Dollars)

  1997 1998 1999 2000 2001 2002 2003 CAGR (%)
Power Diodes 2,504 2,251 2,343 2,589 2,899 3,148 3,251 7.6

GaAs Diode Wafers

GaAs Diode Chips


Performance and Advantages

High Maximum Operating Temperature

  • Increases load power at high temperature ambience
  • Reduces cooling system requirements
  • Increases reliability (low risk of thermal run-away)

Low and Temperature Independent Switching Characteristics

  • Increase efficiency at high operating frequency
  • Increase output capacity at high operating frequency
  • Reduce switching losses
  • Improve reliability of a series connection,

    especially at high frequencies

Low Leakage Current

  • Reduces reverse losses
  • Increases reliability, especially for a series connection
  • Increases radiation (gamma, neutron) hardness

Soft Recovery

  • Reduces noise and over voltage

Positive Temperature Coefficient of the Forward Voltage

  • Increases reliability of a parallel connection
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High-Temperature GaAs Diode in Ceramic Case (TJUNCTION max = 300ºC)
Reverse I-V Characteristic of a High-Voltage GaAs p-i-n Diode
(Breakdown Voltage =1292V)
Time Recovery Testing
(Typical value 10-15 ns)
Copyright © 2006 by G. Ashkinazi. Design by A. Malin All rights reserved.