B3J-2100 by OMRON Design and production,in Shenzhen PlusLink Electronics Co., Ltd. Spot sales,And can pass Shenzhen PlusLink Electronics Co., Ltd. Purchasing。B3J-2100 Price reference $ 3.480000。B3J-2100 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information B3J-2100 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial