STTH3012W by ST Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。STTH3012W Price reference $ 3.060000。STTH3012W - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information STTH3012W Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial