TL074CDR by Texas Instruments Design and production,in Shenzhen Jungu Technology Electronics Co., Ltd. Spot sales,And can pass Shenzhen Jungu Technology Electronics Co., Ltd. Purchasing。TL074CDR Price reference $ 0.286440。TL074CDR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TL074CDR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial