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Calculating on-state resistance

  1. May 13, 2010 #1
    Hi guys,

    I need some help with this question:

    calculate the on state resistance of the following 4H-SiC Schottky diode device if the epitaxial layer is 10 micrometer and thickness of the substrate is 300 micrometer.

    2uha8fb.jpg

    3. The attempt at a solution

    i was thinking of using the equation for depletion width then the equation for R(on) as they are the only equations I know:

    W=2Vb/Ec
    R(on) = W/q.mu.N

    but i am only given the layer thicknesses how can i work out the depletion width ? If i can get the depletion width then i think i can get R(on)

    any help would be greatly appreciated.
     
    Last edited: May 13, 2010
  2. jcsd
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