Shenzhen Jksemi Electronics Co. Ltd. is a high-tech enterprise specializing in wafer design, R&D, manufacturing, and marketing of power protection devices and polymer overcurrent protection materials. A global leader in overcurrent and overvoltage protection integrated circuits, JKSEMI focuses on delivering world-class electronic technology. JKSEMI's product portfolio includes power protection devices (TVS, ESD, TSS, MOS, SKY, DIODE, TRANSISTOR) and polymer PPTC (PTC, PESD). With production bases in Shenzhen and Jiangsu, JKSEMI specializes in power devices and polymer materials, with quality meeting international standards. The company’s products, particularly ultra-low capacitance protective components and high-voltage polymer PPTC, feature independent intellectual property rights and patents. Our QA and FAE teams ensure top-quality products used in automotive electronics, communications, industrial control, power equipment, instrumentation, and security systems. JKSEMI's cost-effective solutions have made it a key supplier for renowned companies like BYD, Dongfeng, ZTE, Fiberhome, Lenovo, Hisense, and Skyworth, along with their downstream partners.