Industry Overview

Thyristor market was valued at $1.7 billion in 2025, projected to reach $2.9 billion by 2035, growing at a CAGR of 5.8% from 2026 to 2035. The thyristor industry is a part of the broader semiconductor and power electronics sector, which plays a crucial role in modern industrial and energy systems. Government and official EU documents recognise thyristors as important power semiconductor devices, including types such as Gate Turn-Off Thyristor (GTO), Integrated Gate Commutated Thyristor (IGCT), and Light Triggering Thyristor (LTT), which are used in high-power applications and advanced electronic systems. These technologies are part of the wider semiconductor ecosystem supported by national and regional industrial strategies.

Thyristors are widely used in power control systems, industrial equipment, and electrical infrastructure applications, including capacitor switching and power regulation systems. Government-related regulatory documents in India reference thyristor-based systems in industrial power applications, highlighting their relevance in electrical network management and power quality solutions. This demonstrates the role of thyristor technology in supporting energy efficiency and industrial automation.

The growth of the thyristor industry is closely linked to the expansion of the global semiconductor industry, which is identified by government sources as a key driver of economic development, innovation, and electronics value chains. The semiconductor sector supports industries such as automotive, industrial systems, defense, telecommunications, and advanced manufacturing. Government initiatives in regions such as the European Union also emphasize strengthening the semiconductor ecosystem, including advanced power device technologies, as part of strategic industrial policy frameworks. Overall, the thyristor market operates within the rapidly evolving semiconductor industry, driven by government-backed investments in electronics manufacturing, industrial modernization, energy infrastructure development, and advanced power electronics technologies.

Market Dynamics

Rising Demand from the Power Electronics Industry

The rising demand from the power electronics industry is significantly contributing to the growth of the thyristor market, primarily due to their critical application in high-power electricity transmission and control systems. According to the International Energy Agency, the expansion of electricity networks and increasing need for efficient long-distance power transmission have led to the growing adoption of High Voltage Direct Current (HVDC) systems. These systems rely on power electronic components such as thyristors in converter stations to regulate and convert electrical power efficiently, ensuring grid stability and reduced transmission losses. As countries continue to expand and modernize their power infrastructure, the role of thyristors in enabling reliable and efficient energy flow is becoming increasingly important.

Furthermore, government sources such as the US Department of Energy emphasize that power electronics are essential for improving energy efficiency, integrating renewable energy sources, and enhancing the performance of modern electric grids. Thyristors, being robust high-power semiconductor devices, are widely used in these applications for switching and power control. With increasing investments in grid modernization, electrification, and renewable energy integration across various countries, the demand for advanced power electronics continues to rise, thereby directly boosting the demand for thyristors in the global market.

  Thyristors, diacs and triacs, other than photos exports by country in 2024

Source: World Bank

Growing Domestic Production and Innovative Processes Strengthen China's Thyristor Industry

China’s thyristor market is being strengthened by government-driven efforts to expand domestic semiconductor production and improve technological capabilities. According to the Ministry of Industry and Information Technology of the People's Republic of China, policies are focused on increasing the supply of semiconductor products by encouraging enterprises to invest in research, improve product quality, and expand production capacity across industries. Government guidance emphasizes strengthening the domestic supply system and ensuring adequate availability of semiconductor components, which directly supports power devices such as thyristors used in industrial and energy applications.

China’s thyristor market is being strengthened by government-driven efforts to expand domestic semiconductor production and improve technological capabilities. According to the Ministry of Industry and Information Technology of the People's Republic of China, policies are focused on increasing the supply of semiconductor products by encouraging enterprises to invest in research, improve product quality, and expand production capacity across industries. Government guidance emphasizes strengthening the domestic supply system and ensuring adequate availability of semiconductor components, which directly supports power devices such as thyristors used in industrial and energy applications.

Market Segmentation

• Based on the type, the market is segmented into silicon-controlled rectifiers (SCR), gate turn-off thyristors (GTO), integrated gate-commutated thyristors (IGCT), TRIACs (bidirectional thyristors), and light-triggered thyristors (LTT).

• Based on the voltage rating, the market is segmented into low voltage (<1 kV), medium voltage (1–6 kV), and high voltage (>6 kV).

• Based on the application, the market is segmented into power transmission, motor drives & industrial automation, power electronics & conversion systems, heating & temperature control systems, renewable energy systems (solar, wind inverters), lighting & dimming control, and others.

Integrated Gate Commutated Thyristor (IGCT): A Segment in the Market Growth

The Integrated Gate Commutated Thyristor (IGCT) represents an advanced development in power semiconductor technology, emerging as an improvement over earlier devices such as Gate Turn-Off Thyristors (GTOs). According to research published by Oak Ridge National Laboratory, the IGCT was introduced with an integrated gate drive unit, which significantly enhances performance by reducing switching losses and simplifying converter design. This integration allows better control, improved efficiency, and higher reliability, making IGCTs a cost-efficient solution for high-power applications.

From a technological perspective, IGCTs combine the advantages of different semiconductor devices. Government-supported research indicates that IGCTs inherit high voltage and current handling capabilities along with low on-state losses, while also enabling faster switching speeds compared to older thyristor technologies. Their switching frequency can reach around 1–3 kHz, which is higher than traditional GTO devices, helping reduce system size and energy losses in power electronic systems.

Overall, the IGCT segment shows strong growth potential due to its superior efficiency, high power handling capability, and reliability. As industries increasingly focus on energy efficiency, electrification, and advanced power systems, IGCT technology is expected to remain an important component in high-power semiconductor applications supported by ongoing research and development initiatives.

Regional Outlook

The global thyristor market is further divided by region, including North America (the US and Canada), Europe (the UK, Germany, France, Italy, Spain, Russia, and the rest of Europe), Asia-Pacific (India, China, Japan, South Korea, Australia and New Zealand, ASEAN countries, and the rest of Asia-Pacific), and the rest of the world (the Middle East & Africa, and Latin America).

Asia–Pacific is leading the Global Thyristor Market

The Asia–Pacific region dominates the thyristor market largely due to strong government-led expansion in power infrastructure, industrialization, and electrification. According to the Ministry of Power, India is investing significantly in transmission networks, smart grids, and renewable energy initiatives such as the Green Energy Corridor, which require advanced power control devices like thyristors. Similarly, China’s National Development and Reform Commission has emphasized the development of ultra-high-voltage (UHV) transmission systems and large-scale electrification projects, where thyristors are essential for high-voltage power regulation. Japan’s Ministry of Economy, Trade and Industry also promotes energy-efficient technologies and industrial innovation, further increasing demand for power semiconductors across the region.

In addition to strong demand, Asia–Pacific’s leadership is supported by government initiatives aimed at strengthening domestic semiconductor manufacturing. The Ministry of Electronics and Information Technology (MeitY) is promoting semiconductor fabrication through the India Semiconductor Mission to build a self-reliant electronics ecosystem. China has also introduced policies to boost domestic chip production under national industrial strategies, ensuring supply chain resilience for power semiconductor devices like thyristors. These coordinated government efforts, combined with rapid industrial growth and infrastructure development, position Asia–Pacific as the leading region in the global thyristor market.

Market Players Outlook

The thyristor market is characterized by the presence of several global power semiconductor manufacturers that focus on continuous innovation, product development, and strategic collaborations to strengthen their market position. Leading companies such as Mitsubishi Electric Corporation, Infineon Technologies AG, ABB Ltd., STMicroelectronics, and Fuji Electric Co., Ltd. play a key role in shaping the market landscape. These companies are investing significantly in research and development to improve device efficiency, enhance thermal performance, and reduce power losses in high-power applications. Additionally, they are focusing on advanced thyristor technologies such as Integrated Gate Commutated Thyristors (IGCTs) and high-voltage solutions to support growing demand from sectors including power transmission, renewable energy systems, industrial automation, and heavy electrical infrastructure.

Recent Developments

• In February 2025, ABB Ltd. announced the introduction of advanced rectifier systems combining thyristors and IGBTs at H2 & FC EXPO. These systems are designed for power ranges from several hundred kW to megawatt levels and are aimed at applications such as hydrogen production and industrial energy systems. The company highlighted that these hybrid solutions improve efficiency and provide flexible, ready-to-use power supply systems for large-scale energy infrastructure, demonstrating the continued importance of thyristor technology in modern electrification.

• In January 2023, Infineon Technologies announced a strategic expansion in silicon carbide (SiC) power semiconductor technologies, which support high-performance thyristor and power device applications. The company entered into long-term agreements to secure SiC supply and expand production capacity to meet rising demand from renewable energy, industrial power systems, and electric mobility. This development reflects the increasing shift toward high-efficiency materials that complement and enhance traditional thyristor-based systems.

The Report Covers

• Market value data analysis of 2025 and forecast to 2035.
• Annualised market revenues ($ million) for each market segment.
• Country-wise analysis of major geographical regions.

• Key companies operating in the global thyristor Based on the availability of data, information related to new products and relevant news is also available in the report.
• Analysis of business strategies by identifying the key market segments positioned for strong growth in the future.
• Analysis of market-entry and market expansion strategies.
• Competitive strategies by identifying ‘who-stands-where’ in the market.