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Importance of power semiconductor Diodes Power Diodes A power diode has a P-I-N structure as compared to the signal diode having a P-N structure. Here,

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Presentation on theme: "Importance of power semiconductor Diodes Power Diodes A power diode has a P-I-N structure as compared to the signal diode having a P-N structure. Here,"— Presentation transcript:

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3 Importance of power semiconductor Diodes

4 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.

5 Symbol of power diode

6 Structure of power diode

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