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Published byRomars Acharya Modified over 4 years ago
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Importance of power semiconductor Diodes
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Power Diodes A power diode has a P-I-N structure as compared to the signal diode having a P-N structure. Here, I (in P-I-N) stands for intrinsic semiconductor layer to bear the high-level reverse voltage as compared to the signal diode (n-, drift region layer shown in Fig. ) However, the drawback of this intrinsic layer is that it adds noticeable resistance during forward-biased condition. Thus, power diode requires a proper cooling arrangement for handling large power dissipation.
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Symbol of power diode
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Structure of power diode
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