Jiangsu JieJie Microelectronics Co., Ltd.

Chinese maker of power semiconductor chips and protection devices

What Jiangsu JieJie Microelectronics does

JieJie Microelectronics designs and makes small electronic parts that control and protect electrical power inside devices. Its chips switch power on and off efficiently and shield circuits from voltage spikes. They go into things like fast chargers, EV chargers, solar inverters, home appliances and car electronics.

How Jiangsu JieJie Microelectronics makes money

It makes money selling power semiconductor chips, discrete devices and modules to electronics, appliance, automotive and energy equipment makers in China and abroad.

Products & services

• Thyristors (uni- and bi-directional)
• TVS and surge protection devices
• MOSFETs (automotive, low/medium/high-voltage)
• IGBT products
• Rectifier diodes and bridge rectifiers
• Power modules and power ICs