Influence of temperature on high power electronic devices

      Nowadays, various power electronic technologies have developed very rapidly, especially in recent years, electronic devices have developed at high speed and high frequency. Due to the tendency of miniaturized components using integrated circuits and large-scale integrated circuits to high-density assembly, the heat generation per unit volume increases year by year.

    The Experiments show that the normal working temperature range of electronic components is - 5 ℃ ~ + 65 ℃. Over this range, the performance of components will decline significantly, can not work stably, and will affect the reliability of system operation.

    With the rise of the temperature level of various high-power electronic components, the failure rate of electronic components and equipment increases exponentially. The service life when the temperature rises by 50 ℃ is only 1 / 6 of that when the temperature rises by 25 ℃. The research data show that the reliability of the system decreases by 50% when the temperature of a single semiconductor element increases by 10 ℃. Therefore, the reliability thermal design of electronic equipment is extremely important, and the selection of professional and efficient radiator is equally important.

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