Semiwell

Semiwell (Shanghai) Electronics Co., Ltd. is a high-tech enterprise specializing in the design, manufacturing, and sales of discrete components. Headquartered in Shanghai, China, the company serves global markets with a focus on technological innovation and superior quality. It provides high-performance circuit protection and power management solutions for consumer electronics, industrial equipment, new energy, and automotive electronics, among other fields. The company’s technologies and products cover: TVS diodes, TSS semiconductor varistors, PLED open-circuit protectors, MOSFETs, electrostatic suppressors, thyristors (Thyristors), and more. It boasts fully autonomous production lines for TVS and TSS products, integrated manufacturing and encapsulation testing processes, ensuring product consistency, reliability, and cost efficiency. With multiple core technical advantages and innovative capabilities in circuit protection and power management, Semiwell has developed high-voltage rating, low-power consumption protection devices tailored for 5G communication and electric vehicle applications.