功率器件龙头英飞凌发涨价函，有望加速蔓延至其他国产头部同业

Group 1 - Infineon has announced a significant increase in demand for its power switches and integrated circuit products due to the surge in AI data center deployments, leading to shortages and necessitating substantial investments in wafer fabrication facilities [1] - The company plans to raise prices for related products, with the new pricing effective from April 1, to address rising costs of raw materials and infrastructure, which internal efficiency improvements can no longer offset [1] - The demand for power semiconductors and related analog/power management chips has seen a "non-linear increase" driven by AI server applications, resulting in a shift in production capacity towards the AI sector, thereby impacting supply for traditional industries like telecommunications and automotive [1] Group 2 - Power semiconductors, including power switch devices, MOSFETs, and IGBTs, are viewed as direct beneficiaries of the AI industry's boom, with the current price increase trend spreading beyond Infineon to other leading domestic peers [2] - JieJie Microelectronics, which focuses on the development of power semiconductor devices such as thyristors and MOSFETs, is expected to benefit from the industry-wide price increases [3] - SDIC, a pioneer in domestic IGBTs, is actively expanding into emerging fields such as AI servers and aerospace [4]