Equilibrium vs. Reverse Bias

  • Thread starter jalebi
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In a PN junction under reverse bias, a small bit of current exists due to the movement of minority carriers. Under equilbrium, no current passes through. Am I right in thinking that the movement of minority carriers under equilibrium is cancelled by the little bit of majority carriers that passes (resulting in a net current of zero), and that under reverse bias, not enough majority carrier passes through to cancel out minority carrier movement? I couldn't find many sources that explained this aspect...
 

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  • #2
dlgoff
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Here's a good site to explain P-N energy bands for Equilibrium, Forward and Reverse Bias:

http://hyperphysics.phy-astr.gsu.edu/hbase/solids/pnjun2.html" [Broken]

Regards
 
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