SANREX MDS300-16 three-phase diode bridge rectifier module SANREX MDS200-16 300 A | 1600 V The SANREX MDS300-16 Three-Phase Diode Bridge Rectifier Module is a high-power semiconductor device rated at 300 A and 1600 V. Designed for efficient AC-to-DC conversion and reliable high-current operation, it is suitable for industrial power supplies, motor drives, welding equipment, and power conversion systems.