VIPER27HN by STMicroelectronics Design and production,in Sunli LLC Spot sales,And can pass Sunli LLC Purchasing。VIPER27HN Price reference $ 1.100000。VIPER27HN - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information VIPER27HN Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial