IC快速检索：
型号 / 厂家，封装，批号，备注，订购
BC557AE7 / ST MICROELECTRONICS SEMI,,,原装现货 订购 PDF文档
BC557ATA / Fairchild Semiconductor,Datasheet,07+,PNP Epitaxial Silico 订购 PDF文档
BC557ATE2T / ST MICROELECTRONICS SEMI,,,原装现货 订购 PDF文档
BC557AZL1 / On Semiconductor,Datasheet,07+,Amplifier Transistor 订购 PDF文档
BC557AZL1-BOX / ON Semiconductor,,07+,0755-83312969王生 订购 PDF文档
BC557B / ST MICROELECTRONICS SEMI,,,原装现货 订购 PDF文档
BC557-B / TOS,,00+,010-66001623/66001621 订购 PDF文档