型号 / 厂家，封装，批号，备注，订购

UM4 / C-MAC MicroTechnology,Datasheet,06/07+,QUARTZ CRYSTALS - Se 订购 PDF文档

UM-4 / Daishinku Corp.,Datasheet,06/07+, 订购 PDF文档

UM4000 / Unitrode Semiconductor,Datasheet,06/07+,International Semico 订购 PDF文档

UM4001CR / Microsemi Corporation,Datasheet,07+,General Purpose PIN 订购 PDF文档

UM4001DR / Various,Datasheet,06/07+,General Purpose PIN 订购 PDF文档

UM4002A / Various,Datasheet,06/07+,General Purpose PIN 订购 PDF文档

UM4002CR / Various,Datasheet,06/07+,General Purpose PIN 订购 PDF文档

UM4002D / Various,Datasheet,06/07+,General Purpose PIN 订购 PDF文档

UM4002E / Microsemi Corporation,Datasheet,06/07+,DIODE PIN ATTENUATOR 订购 PDF文档

UM4006 / Unitrode Semiconductor,Datasheet,07+,International Semico 订购 PDF文档