Abstract
Silicon Carbide (SiC) is the material with the wide band-gap (3.26 eV), high critical electric field (∼2.3 MV/cm), and high bulk electron mobility (∼900 cm 2 /Vs). These electronic properties allow attractive features, such as high breakdown voltage, high-speed switching capability, and high temperature operation compared to Si devices. In general, device design has a significant effect on the switching and electrical characteristics. It is known that in this paper, we demonstrated that the switching performance and breakdown voltage of IGBT is dependent with doping concentration of p-base region and drift layer by using 2-D simulations. As a result, electrical characteristics of SiC-IGBT deivce is higher breakdown voltage (VB= 1,600 V), lower on-resistance (Ron= 0.43 mΩ·cm 2 ) than Si-IGBT. Also, we determined that processing time and cost is reduced by the depth of n-drift region of IGBT was reduced.
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