LM338T/NOPB by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。LM338T/NOPB Price reference $ 2.100000。LM338T/NOPB - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LM338T/NOPB Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial