SMA系列产品是一种应用广泛的小型螺纹连接的同轴连接器，它具有频带宽、性能优、高可靠、寿命长的特点。适用于微波设备和数字通信系统的射频回路中连接射频电缆或微带线。 SeriesofSMAproductsoneapplicationextensivesmall-scalecoaxialpersonwhojointhatwhorljoin,ithasareliablecharacteristicwithlonglife-spanthatthewidth,performanceareexcellent,highfrequently.Suitableforthemicrowaveequipmentandbodyofthedigitalcommunicationsystemandjointhebodyinthecableorthemicro-striplinefrequentlyintheloopfrequently.SMA系列产品是一种应用广泛的小型螺纹连接的同轴连接器。SMA系列的中心导体和绝缘子固定通常采用俘获式以获得足够低的VSWR。SMA系列采用英制螺纹连接，强度高，抗震性好。外导体端面直接接触，使插入损耗降到最低。相对于其它类型的连接器，SMA系列具有体积小，低VSWR的特点。采用恰当的适配电缆，SMA连接器在18GHz时依然具有良好的电性能。经过特殊加工的连接器，其使用频率可以达到25GHz。SMA系列产品寿命长、性能优越、可靠性高。广泛应用于微波设备和数字通信设备的射频回路中连接射频同轴电缆或微带。 主要技术特性 TECHNICALCHARACTERISTICS温度范围 Temp.range -65～+165 C(PECable -40～+85 C)振 动 Vibration MIL-STD-202,Method213特性阻抗 Impedance 50 频率范围 FrequencyRange DC～12.4GHz(半刚电缆0～18GHz)工作电压 WorkingVoltage 335V max (有效值)耐 压 WithstandVoltage 1000Vrms (海平面最小值)接触电阻 Contactresistance内导体之间CenterContact 3m 外导体之间OuterContact 2m 绝缘电阻 Insulationresistance 5000M 插入损耗Insertionloss 0.15dB/6GHz电压驻波比VSWR 直式 Straight 软电缆 1.10+0.002f 半刚电缆 1.05+0.001f 弯式 Rightangle 软电缆 1.20+0.003f 半刚电缆 1.10+0.001f耐用性 Durability(mating) 500次（cycles）材料与涂覆 MATERIAL PLATING壳体 shell 黄铜 brass 镀硬金 goldplated插针 contactpin 黄铜 brass 镀硬金 goldplated插孔 socket 铍青铜 beryllium 镀硬金 goldplated弹性接触件elasticcontact 铍青铜 beryllium 镀硬金 goldplated绝缘体 insulator 聚四氟乙烯 PTFE压接套 crimpferrule 铜合金 copperalloy 镀镍或镀金nickelorgoldplatedo型密封件o-ringsealing 硅橡胶6146 silastic适用技术标准 APPLICABLESTANDARDMIL-C-39012;应用范围：1：基站2：电缆组件3：电子元件4：测试仪器5：军用/航空6：计算机/局域网7：过程控制系统8：电信系统SMAusesathreadedinterface.50 SMAconnectorsaresemi-precision,subminiatureunitsthatprovideexcellentelectricalperformancefromDCto18GHz.Thesehigh-performanceconnectorsarecompactinsizeandmechanicallyhaveoutstandingdurability.Itcanyieldthebestvalueinyourmicrowavesystem.Amongtypicalapplicationsarecomponents,suchasdividers,mixers,amplifiers,trimmersandattenuators.SMAcinnectorsarealsousedtoprovideinterconnectionsfromprintedcircuitboardstriplinestocoaxialcable.SMAisavailablebothinStandardandReversePolarity. manufacturedgoods: SMA male straightclampforLMR400cable SMAmale R/AcrimpforRG316cable SMAmale R/AcrimpforLMR195cable SMA maleR/AcrimpforLMR240cable TechnicalSpecification ElectricalCharacteristicsImpedance50 Frequencyrange12.4GHzForFlexileCable,18GHzForSemi-RigidCableVSWR-Value1.15+0.02f(GHz)ForRG316/U1.06+0.01f(GHz)ForRG405UInsertionloss0.030 (GHz)ProofVoltage(dependingoncabletype)500V/50HzForRG58U/,375V/50HzForRG316/UInsulationResistance 5000M ContactResistanceCenterContact 3m OuterContact 2.5m MechanicalCharacteristicsLatchretentionforce 300NMatingCycles 500cyclesEnvironmentalWorkingTemperatureRange-55 Cupto+165 CRelativeHumidityMIL-STD-202，method106VibrationMIL-STD-202，method213CorrosionMIL-STD-202，method101MaterialsHousingBrassCenterContactpin/Brasssocket/BeCuSpringLoadedContactsBeCuCrimpFerruleCuRetainingRingBeCuOtherMetalPartsBrass，stainlesssteelInsulatorPTFEgasketsiliconerubberSurfacePlatingHousingAuCenterContactAuSpringLoadedContactsAuOtherMetalPartsAuCrimpFerruleAuRetainingRingNi InterfaceDimensionsinmm