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Infineon Technologies Manufacturing (Thailand) opened a new plant in Samut Prakan province on October 1, 2026, with Prime Minister Anutin Charnvirakul presiding over the ceremony, joined by Deputy Prime Minister and Finance Minister Ekniti Nitithanprapas. The plant received investment promotion from the BOI with an investment value of over 48 billion baht, covering the production of power control chip systems, integrated circuit and wafer testing, as well as research and development of semiconductor products. The plant is Infineon's third power control chip system production base, following Germany and China, starting with phase 1 and with plans to expand up to 5 phases. If all 5 phases are completed, it will be Infineon's largest assembly and testing production base in the world, with a total cleanroom area of 150,000 square meters, roughly twice the size of the company's current largest plant. Infineon plans to employ more than 5,000 Thai personnel in total, or approximately 1,000 people per phase, while the BOI has set conditions requiring the development of more than 600 Thai personnel in science and technology and the sending of more than 130 Thai personnel for specialized technology training abroad.

German semiconductor giant Infineon Technologies opened a new plant in Thailand on the first of the month. The new facility on the outskirts of Bangkok is a back-end site handling semiconductor assembly and testing, with an initial investment of more than 100 million euros, or 113.57 million dollars, while the total project value reaches 1.4 billion dollars according to a statement from Thailand's Board of Investment. According to Infineon Chief Operating Officer Alexander Gorski, the site initially features cleanrooms, the controlled environments required for semiconductor manufacturing, of up to 30,000 square meters, and can be expanded to as much as 150,000 square meters in the future. Gorski said this is a strategic long-term investment and cited Thailand's proximity to major markets such as China as a strength. According to Gorski, Infineon has 13 manufacturing sites in the United States, Europe, China and Southeast Asia, and leveraging existing cleanroom capacity could potentially double its revenue. The expansion in Thailand is also part of efforts to offer customers dual sourcing, and Narit, secretary-general of the Board of Investment, said the agency is focusing on photonics, power semiconductors and sensors as part of a long-term strategy in the semiconductor field, aiming to attract 18 billion dollars in semiconductor investment by 2030.