Chan Ye Xin Xi Wang·2025-06-09 02:02Core Insights - The Chinese semiconductor diode industry is experiencing rapid development and transformation, with a projected market size of $2.257 billion in 2024, reflecting a year-on-year growth of 15.33% driven by strong demand from sectors such as electric vehicles, 5G communications, and industrial control [1][10] - Domestic companies are accelerating breakthroughs in technology, focusing on the application of third-generation semiconductor materials like silicon carbide (SiC) and gallium nitride (GaN), which are pushing diodes towards high frequency, high efficiency, and high voltage capabilities [1][10] - Innovations in optoelectronic integration have emerged, such as a three-electrode optoelectronic diode structure proposed by the University of Science and Technology of China, which enhances optical communication bandwidth by 60% [1][10] Industry Overview - Semiconductor diodes are electronic devices made from semiconductor materials (like silicon and germanium) with a core PN junction structure, enabling unidirectional conductivity essential for various electronic functions [2] - The industry has evolved through four main stages: initial development (1956-1960s), exploration and challenges (1970s-1980s), technology introduction and catch-up (1980s-1990s), and rapid development and independent innovation (2000s-present) [4][6][7] Market Dynamics - The upstream of the semiconductor diode industry includes raw materials, production equipment, and R&D, while the downstream applications span consumer electronics, communications, automotive electronics, industrial control, and new energy sectors [9] - In the first four months of 2025, China imported 160.8 billion semiconductor devices, marking a 2.16% increase in quantity but a 0.81% decrease in value, indicating persistent domestic demand despite reliance on imports for certain categories [12] Key Companies - Leading companies such as Huazhong Microelectronics, Yangjie Technology, and Suzhou Good Drive dominate the market due to their technological accumulation and production capacity [14] - Yangjie Technology reported a revenue of 1.579 billion yuan in Q1 2025, up 18.90% year-on-year, with a net profit increase of 51.22% [16] - Suzhou Good Drive, one of the largest diode manufacturers globally, produced 250 million units monthly, holding an 8%-9% market share [18] Industry Trends - The industry is moving towards high-end technology, with third-generation semiconductor materials becoming a core driver for advancements [20] - There is a surge in demand from downstream sectors, particularly in electric vehicles and 5G communications, leading to increased applications of diodes in battery management and motor drive systems [21][22] - The industry is witnessing enhanced collaboration across the supply chain, with domestic companies integrating resources to improve high-end manufacturing capabilities and reduce reliance on imports [23]