STS4DPF30L by STMicroelectronics Design and production,in TanJiayuan Electronics Spot sales,And can pass TanJiayuan Electronics Purchasing。STS4DPF30L Price reference ¥ 0.00。STS4DPF30L - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information STS4DPF30L Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial