TYN840RG by STMicroelectronics Design and production,in Sunli LLC Spot sales,And can pass Sunli LLC Purchasing。TYN840RG Price reference $ 3.520000。TYN840RG - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TYN840RG Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial