SR1UARU by STMicroelectronics Design and production,in TanJiayuan Electronics Spot sales,And can pass TanJiayuan Electronics Purchasing。SR1UARU Price reference ¥ 2.290666。SR1UARU - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information SR1UARU Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial