LR745N3-G by Microchip Technology Design and production,in Chengze Electronics (Beijing) Co., Ltd. Spot sales,And can pass Chengze Electronics (Beijing) Co., Ltd. Purchasing。LR745N3-G Price reference $ 1.117554。LR745N3-G - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LR745N3-G Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial