LM2904PSR by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。LM2904PSR Price reference $ 0.108900。LM2904PSR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LM2904PSR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial