SanRex Power Semiconductor Modules: Diodes, Thyristors (SCRs) and Triacs are highly reputed for excellent quality and performance, resulting from years of experience. Used in a wide variety of applications: Welding & Plasma Cutting Machines, Motor Drives, Uninterruptible Power Supplies, Battery Chargers, SCR Controllers, and Inverters with many other designs where power conversion is needed. SanRex modules are all RoHS compliant as a minimum standard of the ISO14001 environmental policy. SanRex fully supports the RoHS initiative. Since the production of our first welding machine in 1956, SanRex has continually produced some of the best performing welding power supplies in the world. For the last 20 years, SanRex has manufactured welders under private label agreements for some of the world most recognized welding companies in the US and Europe. Now SanRex is providing that same quality and craftsmanship in producing welding power supplies under our own name.  Get to know the manufacture of the products you have known for decades. Get to know SanRex.