BULD118D-1 by STMicroelectronics Design and production,in Spot sales,And can pass Purchasing。BULD118D-1 Price reference $ 1.078000。BULD118D-1 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information BULD118D-1 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial