XG4A-3439-A by OMRON Design and production,in Shenzhen PlusLink Electronics Co., Ltd. Spot sales,And can pass Shenzhen PlusLink Electronics Co., Ltd. Purchasing。XG4A-3439-A Price reference $ 11.310000。XG4A-3439-A - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information XG4A-3439-A Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial