SRK2001TR by STMicroelectronics Design and production,in Sunli LLC Spot sales,And can pass Sunli LLC Purchasing。SRK2001TR Price reference $ 0.903150。SRK2001TR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information SRK2001TR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial