International Rectifier (IR), now part of Infineon Technologies, was a pioneer in power management and energy-efficient semiconductor solutions. IR developed high-performance MOSFETs, IGBTs, diodes, power management ICs, and integrated power modules (IPMs) for automotive, industrial, consumer electronics, and data center applications.
Key technologies included low RDS(on) MOSFETs for reduced power loss, high-voltage IGBTs for motor drives and renewable energy, ultra-fast recovery diodes, intelligent power modules with integrated protection, and GaN-based compound semiconductors. IR components are recognized for superior thermal performance, reliability, and efficiency, enabling compact, high-power designs in electric and hybrid vehicles, industrial automation, robotics, power supplies, computing systems, and consumer electronics.
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