Shanghai Leiditech Electronic Technology Co., Ltd., established in 2011, is a high-tech enterprise headquartered in Shanghai, China. The company specializes in the research, development, and manufacturing of circuit protection components, with a primary focus on Electrostatic Discharge (ESD) protection solutions. Its core product portfolio includes Transient Voltage Suppression (TVS) diodes, ESD protection arrays, and low-capacitance ESD protection devices for high-speed signal lines. Leiditech offers comprehensive solutions for interfaces such as USB, HDMI, Ethernet, and Thunderbolt, catering to smartphones, tablets, laptops, and other consumer electronics. In addition, the company provides AEC-Q101 qualified automotive-grade protection components for in-vehicle networks, infotainment, and ADAS systems. The product series like the SLVU2.8, SLESD, and SMDAxx families are well-known for their ultra-low clamping voltage and fast response time. The company emphasizes innovation, holding multiple patents on semiconductor TVS/ESD device structures to improve surge handling capability. With a strong domestic market presence in China, Leiditech has also expanded to global markets, serving OEMs and ODMs worldwide. Technologically, it differentiates by leveraging advanced silicon and packaging technologies to deliver compact, high-performance protection devices. Although a niche player compared to giants like STMicroelectronics or ON Semiconductor, Leiditech has gained recognition as a reliable supplier in the ESD protection segment.