IC,插件TL431,&plu***n;1%,TO-92,DIP,电压基准源IC,插件MC34063,DIP8(ST品牌IC)IC,插件7809,DIPIC,插件ULN2003,体宽8.0MM,脚距2.54MM,DIP16IC,插件EM78P458,DIPIC,插件78L05TO-92稳压ICIC,插件CD4541,14脚,DIPIC,插件CD4541,14脚,DIPIC,插件78L05TO-92稳压IC)