STD5N52U by STMicroelectronics Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。STD5N52U Price reference $ 1.670000。STD5N52U - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information STD5N52U Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial