SRK2000ATR by STMicroelectronics Design and production,in TanJiayuan Electronics Spot sales,And can pass TanJiayuan Electronics Purchasing。SRK2000ATR Price reference ¥ 27.237321。SRK2000ATR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information SRK2000ATR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial