SRK2001TR by STMicroelectronics Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited 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