STD3PK50Z by STMicroelectronics Design and production,in Shenzhen HYLX Technology Ltd. Spot sales,And can pass Shenzhen HYLX Technology Ltd. Purchasing。STD3PK50Z Price reference $ 0.846450。STD3PK50Z - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information STD3PK50Z Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial