FDS6990A by onsemi Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。FDS6990A Price reference $ 0。FDS6990A - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information FDS6990A Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial