🔍 Executive Summary

  • The South Korean government has launched a KRW 500 billion (US$344.3 million) R&D project to localize Silicon Carbide (SiC) and Gallium Nitride (GaN) power semiconductors. The initiative aims to reduce reliance on foreign imports and diversify the nation's semiconductor portfolio toward high-growth green energy and EV sectors.

Strategic Deep-Dive

The South Korean government is launching a strategic offensive to rectify its trade imbalance in the critical power semiconductor sector. As reported by ETNews, a massive KRW 500 billion (US$344.3 million) R&D initiative is being deployed to catalyze the localization of next-generation power chips, specifically targeting Silicon Carbide (SiC) and Gallium Nitride (GaN) technologies. This move is a direct response to the growing ’electrification’ of the global economy, where power semiconductors serve as the indispensable gatekeepers of energy efficiency in everything from electric vehicles (EVs) to renewable energy grids.

For decades, South Korea has dominated the memory chip market but has remained strategically vulnerable in the specialized power semiconductor arena, which is currently controlled by European, American, and Japanese incumbents like Infineon, STMicroelectronics, and Wolfspeed. The US$344.3 million funding aims to bridge this technological gap. SiC semiconductors, in particular, offer superior thermal conductivity and lower switching losses compared to traditional silicon, making them mission-critical for the high-voltage inverters used in modern EVs.

By fostering a domestic supply chain that encompasses raw materials, wafer production, and device assembly, the Korean government seeks to insulate its massive automotive industry—led by Hyundai and Kia—from potential geopolitical disruptions and supply shortages.

The scope of this R&D project is meticulously designed to support small and medium-sized enterprises (SMEs), encouraging them to transition into high-value compound semiconductor manufacturing. This aligns with South Korea’s broader ‘K-Semiconductor Belt’ strategy, which aims to diversify the nation’s tech exports beyond DRAM and NAND flash. Industry analysts suggest that if successful, this localization effort will allow South Korean firms to set new global standards for energy efficiency, providing a second engine for economic growth.

As the world pivots toward net-zero emissions, the demand for SiC and GaN chips is projected to see double-digit annual growth over the next decade. Korea’s multi-million dollar gamble is a clear signal that the nation intends to be more than just a memory manufacturer; it aims to be the foundational architect of the global green energy transition.