H11A1 by Vishay Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。H11A1 Price reference $ 1.162000。H11A1 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information H11A1 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial