SK keyfoundry Successfully Develops 450V-2300V SiC Planar MOSFET Process Platform, Secures New 1200 V Order, Marking the Beginning of Its Full-Scale SiC Business

• Successfully develops SiC Planar MOSFET process platform for 450V–2300V, securing high reliability and yield competitiveness
• Accelerates SiC-based compound semiconductor foundry business by initiating 1200V SiC MOSFET development for a new customer

SEOUL, South Korea, March 11, 2026 /PRNewswire/ — SK keyfoundry, an 8-inch pure-play foundry in Korea, announced that it has recently completed the development of its SiC (Silicon Carbide) Planar MOSFET process platform, which is gaining traction in the next-generation compound power semiconductor market. The company also revealed that it has secured an order for the development of a 1200V SiC MOSFET product from a new customer, marking its full-scale entry into the SiC compound semiconductor foundry business.