Due to its high frequency, high power, high temperature and harsh-environment resistant capabilities, silicon carbide (SiC) devices are gaining an increasing demand for power converters. The current status of commercial SiC devices are summarized, and the advantages of SiC devices are described briefly. Then applications of SiC devices in power converters, including PFC, DC/DC, AC/DC, and DC/AC are given, explaining the advantages that SiC devices can bring to system level. And finally, challenges regarding broader implementation of SiC devices and further anticipation for upcoming SiC power devices are given.