Large Diameter Silicon Carbide (SiC) Wafers Market Share Driven by EV Powertrains, Wide Bandgap Semiconductor Adoption, and Global Fab Expansion | Valuates Reports

Large Diameter Silicon Carbide Wafers Market
The global Large Diameter Silicon Carbide Wafers market was valued at US$ million in 2023 and is anticipated to reach US$ million by 2030, witnessing a CAGR of % during the forecast period 2024-2030.

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The Large Diameter Silicon Carbide (SiC) Wafers market is experiencing strong growth driven by rapid adoption of wide bandgap semiconductors, especially in electric vehicles (EVs), fast chargers, renewable energy systems, and high-performance power electronics. As device manufacturers transition from smaller wafer formats to large-diameter SiC substrates to achieve higher throughput and lower cost per die, the market is witnessing significant capacity expansion from leading global wafer suppliers. Growing demand for SiC MOSFETs, Schottky diodes, and high-voltage modules is directly influencing market size and accelerating long-term market growth.

In the type segment, 8-inch SiC wafers currently hold the dominant market share, supported by increasing deployment in EV power electronics, solar inverters, industrial motor drives, and fast-charging infrastructure. The wider availability and maturing production processes make 8-inch wafers the preferred choice for high-volume SiC device manufacturing. 12-inch SiC wafers represent the fastest-growing segment, as major semiconductor companies invest in next-generation SiC wafer scaling to reduce defect density, improve device yields, and substantially lower manufacturing costs. Though still at an early commercialization stage, 12-inch SiC wafers are poised to transform future SiC production capacity as ecosystem readiness increases.

Across application segments, discrete devices and sensors command the highest market share, driven by strong demand for SiC-based MOSFETs, IGBTs, Schottky barrier diodes, and high-voltage modules used in EVs, AI servers, industrial automation, and energy storage systems. The logic/MPU and memory segments are emerging as high-potential areas as next-generation computation and AI workloads require higher efficiency, improved thermal stability, and higher power density-attributes well supported by SiC substrates. Analog devices including RF components, power management ICs, and communication modules also contribute significantly to market trends. Other applications, such as aerospace, defense, and high-frequency power conversion, further strengthen demand for large-diameter SiC wafers.

Leading companies shaping the competitive landscape include Shin-Etsu Chemical, Sumco, Global Wafers, Siltronic, SK Siltron, Waferworks, Ferrotec, AST, Gritek, Guosheng, QL Electronics, MCL, National Silicon Industry Group, and Poshing. These companies strengthen their market share through advancements in crystal growth technologies, ultra-high purity silicon carbide, wafer defect reduction, and large-diameter scaling. Many are expanding production capacity across Asia, North America, and Europe to meet strong demand from EV OEMs and power semiconductor manufacturers. Their investments in yield improvements, epitaxial growth quality, and supply chain integration reinforce their leadership in the global market.

Regionally, production is concentrated in North America, Europe, China, Japan, and South Korea, supported by strong semiconductor materials engineering capabilities and national initiatives backing wide bandgap technologies. Consumption is led by North America, Europe, and Asia-Pacific, where major EV production hubs, silicon carbide fabs, and power electronics manufacturers drive significant demand. Asia-Pacific-especially China, Japan, South Korea, and Taiwan-remains the fastest-growing consumption region due to aggressive expansion of EV manufacturing, battery factories, and power semiconductor fabs. The market outlook indicates robust long-term momentum as electrification, renewable energy adoption, AI acceleration, and industrial power system upgrades continue to fuel demand for large-diameter SiC wafers, driving future market trends and supporting strong market growth.

Segment by Type
• 8-inch Silicon Carbide Wafers
• 12-inch Silicon Carbide Wafers

Segment by Application
• Memory
• Logic/MPU
• Analog
• Discrete Device and Sensor
• Other

By Company

Shin-Etsu Chemical, Sumco, Global Wafers, Siltronic, SK Siltron, Waferworks, Ferrotec, AST, Gritek, Guosheng, QL Electronics, MCL, National Silicon Industry Group, Poshing

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