XR30N03 by XNRUSEMI Design and production,in SEHOT CO., LIMITED Spot sales,And can pass SEHOT CO., LIMITED Purchasing。XR30N03 Price reference $ 0.071714。XR30N03 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information XR30N03 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial