IRL640PBF by Vishay Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。IRL640PBF Price reference $ 3.658400。IRL640PBF - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information IRL640PBF Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial