B4B-PH-SM3-TB by JST Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。B4B-PH-SM3-TB Price reference $ 0。B4B-PH-SM3-TB - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information B4B-PH-SM3-TB Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial