Jiangsu JieJie Microelectronics Co., Ltd. researches, develops, designs, produces, and sells power semiconductor chips and devices in China and internationally. Its product range includes uni-directional and bi-directional thyristors; transient voltage and thyristor surge suppressors, TVS diode arrays, sidacs, zener and small switching diodes, small signal transistors, varistors, and ceramic gas discharge tubes; and automotive, low and medium-voltage, and high-voltage MOSFETs. The company also offers rectifier diodes and bridge rectifiers, power modules and components, opto-couplers, power ICs, and IGBT products. These products are used in fast chargers, electric vehicle charging, switched-mode power supplies, BLDC and PMSM motor drives, photovoltaic inverters, air conditioners, washing machines, leakage protective devices, automotive electronics, consumer electronics, and battery management systems. Founded in 1995, the company is headquartered in Qidong, China.