The Japanese pioneer in Power Semiconductor and Power Supplies manufacturing was founded in 1933 in Osaka as a daughter company of Sansha Electric Manufacturing Co., Ltd. Different SanRex products are employed in many industries, such as photovoltaic  inverters, lighting ballasts for movie theaters, power supplies for waste product treatment, etc. SanRex supplies components, equipment and systems such as discrete power semiconductors, intelligent power modules, cutting and welding machines, inverters, rectifiers, etc.  They have shown a proven ability to fulfill Sanrex’s duty as a leading semiconductor manufacturer. The company is dedicated to producing products of the highest quality and reliability for its esteemed and satisfied customers. It remains an ISO certified company of the international standards ISO9001 and ISO14001. In 2009 SanRex re-opened its European branch office in Slovenia to support business in Europe, the Middle East and Africa.

SanRex products:


  • Triacs – through-hole, SMD, Fast-On package
  • Thyristors – through-hole, SMD, Fast-On package


  • Diodes – standard recovery, fast recovery, soft recovery, Schottky
  • Thyristors – dual, anti-parallel, three phase half bridge
  • Triacs – TO-240 and other types


  • Solar photovoltaic inverters
  • Lamp ballasts
  • DC Power supplies for plasma heating
  • DC Power supplies for metal finishing
  • High precision power regulators

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