SanRex Corporation is a specialized Japanese semiconductor manufacturer with a strong legacy in power electronics. Established in 1956 and headquartered in Tokyo, the company excels in designing and producing high-performance power modules, thyristors, rectifier diodes, and other discrete semiconductors. SanRex is particularly recognized for its robust and reliable products that serve demanding industrial applications, including motor controls, power supplies, welding equipment, and traction systems. With a focus on innovation and quality, the company combines advanced semiconductor technology with decades of expertise to deliver solutions that enhance energy efficiency and performance. Its components are critical in sectors requiring precise power management and durability.