STPS20SM120STN by STMicroelectronics Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。STPS20SM120STN Price reference $ 2.257600。STPS20SM120STN - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information STPS20SM120STN Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial