3kV SiC Charge-Balanced Diodes Breaking Unipolar Limit
2019
In this work, we report design and fabrication of 3kV SiC Charge-Balanced JBS diodes with differential on-resistance below SiC 1D-unipolar limit. This diode implements a novel drift layer architecture that comprises p-doped buried Charge-Balanced regions inside drift layer. We also report successful high voltage double pulse inductive switching of SiC CB-JBS diode with total estimated recovery loss of 12.5mJ/cm2 at 150 °C when switched between 1.7kV and 270A/cm2.
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