型号 / 厂家，封装，批号，备注，订购

OPA641U / BB,,,现货 订购 PDF文档

OPA641UA / ,,05+,010-66001623/66001621 订购 PDF文档

OPA641UB / BB,SOP,,原装现货库存 订购 PDF文档

OPA642 / ,SMD8,05+,原装特价 订购 PDF文档

OPA642AP / BB,DIP-8,06+,全新原装，现货特价！ 订购 PDF文档

OPA642AU / BB,SOP,05+,原装010-66001623 订购 PDF文档

OPA642D / ,,07+,全新原装现货库存 订购 PDF文档

OPA642N / BB,,03+,全新原装010-51901725/6 订购 PDF文档

OPA642N/250 / DALLAS,,, 订购 PDF文档

OPA642N/3K / TI,,,全新原装 订购 PDF文档