SMA系列產(chǎn)品是一種應用廣泛的小型螺紋連接的同軸連接器，它具有頻帶寬、性能優(yōu)、高可靠、壽命長的特點。適用于微波設備和數(shù)字通信系統(tǒng)的射頻回路中連接射頻電纜或微帶線。 SeriesofSMAproductsoneapplicationextensivesmall-scalecoaxialpersonwhojointhatwhorljoin,ithasareliablecharacteristicwithlonglife-spanthatthewidth,performanceareexcellent,highfrequently.Suitableforthemicrowaveequipmentandbodyofthedigitalcommunicationsystemandjointhebodyinthecableorthemicro-striplinefrequentlyintheloopfrequently.SMA系列產(chǎn)品是一種應用廣泛的小型螺紋連接的同軸連接器。SMA系列的中心導體和絕緣子固定通常采用俘獲式以獲得足夠低的VSWR。SMA系列采用英制螺紋連接，強度高，抗震性好。外導體端面直接接觸，使插入損耗降到最低。相對于其它類型的連接器，SMA系列具有體積小，低VSWR的特點。采用恰當?shù)倪m配電纜，SMA連接器在18GHz時依然具有良好的電性能。經(jīng)過特殊加工的連接器，其使用頻率可以達到25GHz。SMA系列產(chǎn)品壽命長、性能優(yōu)越、可靠性高。廣泛應用于微波設備和數(shù)字通信設備的射頻回路中連接射頻同軸電纜或微帶。 主要技術特性 TECHNICALCHARACTERISTICS溫度范圍 Temp.range -65～+165 C(PECable -40～+85 C)振 動 Vibration MIL-STD-202,Method213特性阻抗 Impedance 50 頻率范圍 FrequencyRange DC～12.4GHz(半剛電纜0～18GHz)工作電壓 WorkingVoltage 335V max (有效值)耐 壓 WithstandVoltage 1000Vrms (海平面最小值)接觸電阻 Contactresistance內(nèi)導體之間CenterContact 3m 外導體之間OuterContact 2m 絕緣電阻 Insulationresistance 5000M 插入損耗Insertionloss 0.15dB/6GHz電壓駐波比VSWR 直式 Straight 軟電纜 1.10+0.002f 半剛電纜 1.05+0.001f 彎式 Rightangle 軟電纜 1.20+0.003f 半剛電纜 1.10+0.001f耐用性 Durability(mating) 500次（cycles）材料與涂覆 MATERIAL PLATING殼體 shell 黃銅 brass 鍍硬金 goldplated插針 contactpin 黃銅 brass 鍍硬金 goldplated插孔 socket 鈹青銅 beryllium 鍍硬金 goldplated彈性接觸件elasticcontact 鈹青銅 beryllium 鍍硬金 goldplated絕緣體 insulator 聚四氟乙烯 PTFE壓接套 crimpferrule 銅合金 copperalloy 鍍鎳或鍍金nickelorgoldplatedo型密封件o-ringsealing 硅橡膠6146 silastic適用技術標準 APPLICABLESTANDARDMIL-C-39012;應用范圍：1：基站2：電纜組件3：電子元件4：測試儀器5：軍用/航空6：計算機/局域網(wǎng)7：過程控制系統(tǒng)8：電信系統(tǒng)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