The global market for 4-inch silicon carbide (SiC) wafers was worth $198 million in 2024. However, it is expected to decline to $156 million by 2031, with a negative growth rate of -3.4% per year from 2025 to 2031.
Why is the Market Declining?
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Changing Industry Trends – Many companies are shifting to larger wafer sizes (such as 6-inch and 8-inch wafers) for better efficiency.
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High Costs – 4-inch SiC wafers are expensive to produce, making larger wafers more attractive.
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Competition from Other Materials – Alternatives like silicon wafers are still widely used in electronics.
Market Breakdown
By Product Type
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Conductive SiC Wafer – Used in power electronics.
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Semi-Insulating SiC Wafer – Used in high-frequency and optoelectronic devices.
By Application
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Power Devices – Used in electric vehicles, renewable energy, and power grids.
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Electronics & Optoelectronics – Used in LEDs, lasers, and communication devices.
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Wireless Infrastructure – Supports 5G networks and other wireless technology.
By Sales Channel
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Direct Sales – Companies sell directly to manufacturers.
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Distributors – Sold through third-party vendors and online platforms.
Major Companies in the Market
Some key players include:
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Wolfspeed
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SK Siltron
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ROHM Group (SiCrystal)
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Coherent
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STMicroelectronics
(More companies are listed in the full report.)
Regional Market Segments
The 4-inch SiC wafer market operates worldwide, with major regions including:
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North America (USA, Canada, Mexico)
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Europe (UK, Germany, France, etc.)
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Asia-Pacific (China, Japan, India, etc.)
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South America (Brazil, Argentina, etc.)
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Middle East & Africa (UAE, Saudi Arabia, etc.)
Market Analysis & Future Outlook
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The report looks at market trends, pricing, and competition.
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A SWOT analysis (Strengths, Weaknesses, Opportunities, and Threats) helps businesses understand their market position.
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Companies are investing in research to improve SiC wafer technology.
What’s Next?
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Demand for larger SiC wafers (6-inch, 8-inch) will likely increase.
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Companies may focus on cost reduction to stay competitive.
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New applications in EVs, 5G, and renewable energy may still create opportunities.
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