SR2LARU by STMicroelectronics Design and production,in TanJiayuan Electronics Spot sales,And can pass TanJiayuan Electronics Purchasing。SR2LARU Price reference ¥ 6.725082。SR2LARU - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information SR2LARU Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial