PN Junction Characteristics

The PN Junction Characteristics


Space Charge Region: Also called the depletion region.  This region includes the net positively and negatively charged regions.  The space charge region does not have any free carriers.  The width of the space charge region is denoted by W in pn junction formula’s.

Metallurgical Junction: The interface where the p- and n-type materials meet.

Na & Nd: Represent the amount of negative and positive doping in number of carriers per centimeter cubed.  Usually in the range of 1015 to 1020.

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