LDK220C50R by STMicroelectronics Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。LDK220C50R Price reference $ 1.190000。LDK220C50R - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LDK220C50R Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial