FS300R12KE3 by Infineon Design and production,in Sunli LLC Spot sales,And can pass Sunli LLC Purchasing。FS300R12KE3 Price reference $ 387.040000。FS300R12KE3 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information FS300R12KE3 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial