碳化硅高速渗透，新需求打开新空间

Summary of Silicon Carbide Industry Conference Call Industry Overview - The silicon carbide (SiC) power device industry chain has a significant value distribution, with manufacturing accounting for 60%, wafer production for 48%, and packaging for 12% [1][4] - The global silicon carbide market is approximately 25 billion yuan, with the new energy vehicle (NEV) sector being the primary application area, representing 70% (around 20 billion yuan) [1][5] - The rapid increase in NEV penetration and technological upgrades (transition from 6-inch to 8-inch wafers) are driving industry growth, with NEV penetration expected to exceed 50% by 2025 [1][5] Key Insights and Arguments - SiC devices have significant advantages over traditional silicon-based materials, including a replacement width three times that of silicon and thermal conductivity four to five times greater [2] - Since 2021, SiC prices have decreased due to capacity expansion and improved yield rates, with 6-inch substrate prices dropping to over 2,000 yuan from nearly 10,000 yuan [1][6] - Domestic manufacturers in China, such as Tianyue and Tianke, have significantly increased their market share, now accounting for 25% to 33% of the market [1][6] Emerging Demand and Market Potential - New demands from data center upgrades (related to AIGC) and AR glasses are opening new market spaces for silicon carbide [1][7] - The value of GaN MOSFETs in data centers has increased from 0.2 yuan/watt to 0.3-0.4 yuan/watt with the adoption of HVDC solutions, translating to a market scale of 3 to 4 billion yuan for a 100GW data center [3][8] - The automotive sector shows immense potential, with the SiC market expected to grow two to three times in the next 3 to 4 years, driven by the increase in 800V pure electric vehicle penetration from 15% to over 80% [3][10] - The commercial vehicle sector is also rapidly increasing its demand for SiC, with current penetration rates reaching 30%, up from 10% last year [11] Additional Insights - The demand for beryllium substrates in AR glasses is significantly increasing, with the new Meta AR glasses requiring substrates costing between 800 to 1,000 yuan each, potentially creating a market worth billions if 10 million units are produced [3][12] - The overall trend in the beryllium industry is positive, with new demands from data centers and AR glasses contributing to growth, alongside traditional automotive sector expansion [13] Conclusion - The silicon carbide industry is poised for substantial growth driven by advancements in technology, increasing penetration in various sectors, and the emergence of new applications. The market dynamics suggest a favorable environment for investment and development in this sector.