STTH4R02B-TR by STMicroelectronics Design and production,in Spot sales,And can pass Purchasing。STTH4R02B-TR Price reference $ 1.316000。STTH4R02B-TR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information STTH4R02B-TR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial