STPS340U by STMicroelectronics Design and production,in Shenzhen HYLX Technology Ltd. Spot sales,And can pass Shenzhen HYLX Technology Ltd. Purchasing。STPS340U Price reference $ 0.530000。STPS340U - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information STPS340U Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial