Jiangsu JieJie Microelectronics Co., Ltd. engages in the research and development, design, production, and sale of power semiconductor chips and devices in China and internationally. It offers uni-directional and bi-directional thyristors; transient voltage and thyristor surge suppresso, TVS diode array, sidac, zener and small switching diodes, small signal transistor, varistor, and ceramic gas discharge tube; and automotive, low and medium-voltage, and high-voltage MOSFETs. The company also provides rectifier diodes and bridge rectifier; power modules and components; opto-coupler; power IC; and IGBT products. Its products are used in fast charger, electric vehicle charging, switched-mode power supply, BLDC and PMSM motor drive, photovoltaic inverter, air conditioners, washing machine, leakage protective devices, automotive electronics, consumer electronics, and battery management system applications. The company was founded in 1995 and is headquartered in Qidong, China.