SM15T18CA by STMicroelectronics Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。SM15T18CA Price reference $ 0.439040。SM15T18CA - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information SM15T18CA Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial