SM30T12CAY by STMicroelectronics Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。SM30T12CAY Price reference $ 2.325600。SM30T12CAY - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information SM30T12CAY Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial