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    该类别包括一系列由固定阻值电阻器和相关的安装配件组成的产品。固定阻值电阻器具有预定的电阻值，不能进行调整，广泛应用于电子电路中，用于控制电流流动并提供精确的电阻水平。 为了简化工程师和设计师的选择过程，固定阻值电阻器根据其物理形式或在最终应用中连接的方法进行组织分类。常见的分类包括通孔电阻器、表面贴装电阻器和电阻器阵列。 通孔电阻器通常具有圆柱形或矩形形状，引线插入电路板上的孔中，然后焊接在位以建立电气连接。相比之下，表面贴装电阻器尺寸更小，直接安装在印刷电路板（PCB）表面上，无需使用引线。 电阻器阵列将多个固定阻值电阻器集成到一个单一的封装中，节省空间，简化组装过程。这些电阻器可以包含具有相同或不同电阻值的电阻器。 可调或变阻值电阻器，如电位器或电动电阻器，与固定阻值电阻器分开分类。这些组件提供在特定范围内变化电阻水平的能力，在需要可变电阻的应用中非常有用。 总之，该类别包括固定阻值电阻器及其相应的安装配件，根据其物理形式或电路中连接方法进行组织分类。可调电阻器，如电位器或电动电阻器，由于其可提供可变电阻水平的能力而被单独分类。

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Diodes, TransistorsDiodesBridge RectifiersRF DiodesRectifiersDiode ArraysSingle DiodesVariable Capacitance (Varicaps, Varactors)ZenerSingle Zener DiodesZener Diode ArraysPower Driver ModulesThyristorsDIACs, SIDACsSCRsSCRs - ModulesTRIACsTransistorsBipolar (BJT)Bipolar RF TransistorsBipolar Transistor ArraysBipolar Transistor Arrays, Pre-BiasedSingle Bipolar TransistorsSingle, Pre-Biased Bipolar TransistorsFETs, MOSFETsFET, MOSFET ArraysRF FETs, MOSFETsSingle FETs, MOSFETsIGBTsIGBT ArraysIGBT ModulesSingle IGBTsJFETsProgrammable UnijunctionSpecial PurposeEmbedded ComputersEmbedded Computer AccessoriesEmbedded Computer Interface BoardsSingle Board Computers (SBCs)Fans, Thermal ManagementFansAC FansDC Brushless Fans (BLDC)Fan AccessoriesFan CordsFinger Guards, Filters & SleevesHeat Tape, Heat Blankets and HeatersThermalAdhesives, Epoxies, Greases, PastesHeat Pipes, Vapor ChambersHeat SinksLiquid Cooling, HeatingPads, SheetsThermal AccessoriesThermoelectric, Peltier AssembliesThermoelectric, Peltier ModulesFiltersCable FerritesCeramic FiltersCommon Mode ChokesDSL FiltersEMI/RFI Filters (LC, RC Networks)Feed Through CapacitorsFerrite Beads and ChipsFerrite Disks and PlatesFilters AccessoriesMonolithic CrystalsPower Line Filter ModulesRF FiltersSAW FiltersInductors, Coils, ChokesAdjustable InductorsArrays, Signal TransformersDelay LinesFixed InductorsWireless Charging CoilsIndustrial Automation and ControlsAccessoriesCable and Hose Carriers, Drag ChainsCam PositionersControllersControllers - 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Remote ReceiverPhotodiodesPhotoelectric, IndustrialPhotointerrupters - Slot Type - Logic OutputPhotointerrupters - Slot Type - Transistor OutputPhotonics - Counters, Detectors, SPCM (Single Photon Counting Module)PhototransistorsReflective - Analog OutputReflective - Logic OutputParticle, Dust SensorsPosition SensorsAngle, Linear Position MeasuringPressure Sensors, TransducersPressure Sensors, Transducers - IndustrialProximity SensorsProximity Sensors - IndustrialProximity/Occupancy Sensors Finished UnitsSensor Cable AccessoriesSensor Cable AssembliesSensor Interface Junction BlocksSensor, Transducer AccessoriesSensor, Transducer AmplifiersShock SensorsSolar CellsSpecialized SensorsStrain GaugesTemperature SensorsAnalog and Digital OutputAnalog and Digital Output - IndustrialNTC ThermistorsPTC ThermistorsRTD (Resistance Temperature Detector)Thermocouples, Temperature ProbesThermostats - MechanicalThermostats - Mechanical - IndustrialThermostats - Solid StateTouch SensorsUltrasonic Receivers, TransmittersUltrasonic Receivers, Transmitters - 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    SwitchesAccessoriesAccessories - Boots, SealsAccessories - CapsCable Pull SwitchesConfigurable Switch ComponentsConfigurable Switch Components - BodyConfigurable Switch Components - Contact BlockConfigurable Switch Components - Illumination SourceConfigurable Switch Components - LensDIP SwitchesDisconnect Switch ComponentsEmergency Stop (E-Stop) SwitchesInterlock SwitchesKeylock SwitchesKeypad SwitchesLimit SwitchesMagnetic, Reed SwitchesNavigation Switches, JoystickProgrammable Display SwitchesPushbutton SwitchesPushbutton Switches - Hall EffectRocker SwitchesRotary SwitchesSelector SwitchesSlide SwitchesTactile SwitchesThumbwheel SwitchesToggle SwitchesTransformersAudio TransformersCurrent Sense TransformersIsolation Transformers and Autotransformers, Step Up, Step DownPower TransformersPulse TransformersSpecialty TransformersSwitching Converter, SMPS TransformersTransformers AccessoriesUncategorizedUnclassified

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