上海維安半導體是全球電路保護&功率半導體的優秀供應商，是上海材料研究所控股的上海維安電子有限公司的子公司，主要研究半導體保護器件、半導體功率器件和集成電路產品三大領域，致力于開發新型高性能半導體器件，立志做全球技術領先的半導體器件及方案供應商。客戶覆蓋通訊、安防、3C、醫療、工業、汽車、電視及面板等行業。

Wayon was founded by Shanghai Research Institute of Materials in the year of 1996.  Wayon is one of global core providers of electronic circuit protection solutions. The main products consist of PPTC, CPTC and Chip Fuse for over-current protection; TVS, Thyristor and ESD for over-voltage protection; Thermal Fuse, for over-temperature protection; and BMS，MOSFET， Protection IC， SCF etc. The product application covers telecommunications, rechargeable batteries, IT equipment, automotive Small Power Motor and Automotive Electronics , industrial equipment and consumer electronics.