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Littelfuse

Littelfuse

电路保护

TVS - 混合技术保险丝涌流限制器（ICL）断路器照明保护电气专用保险丝 TVS - 压敏电阻，MOV 气体放电管避雷器（GDT）配件 TVS - 浪涌保护器（SPD）热熔断体（热熔保险丝） TVS - 晶闸管接地故障电路断路器（GFCI） TVS - 二极管 PTC 可复位保险丝保险丝座
分立半导体产品

晶闸管 - TRIAC 晶闸管 - DIAC，SIDAC 晶体管 - 特殊用途晶体管 - FET，MOSFET - 阵列晶闸管 - SCR 二极管 - 射频晶体管 - IGBT - 阵列二极管 - 桥式整流器二极管 - 齐纳 - 单功率驱动器模块晶体管 - 双极性晶体管（BJT）- 单个晶体管 - IGBT - 模块二极管 - 整流器 - 阵列晶体管 - IGBT - 单个二极管 - 整流器 - 单晶闸管 - SCR - 模块晶体管 - FET，MOSFET - 单个
工业自动化与控制

控制器 - 液体，液位面板仪表气动，液压控制器 - 过程，温度延时继电器保护继电器和系统控制器 - 配件监控器 - 电流/电压变送器监控器 - 继电器输出控制器 - PLC 模块面板仪表 - 计数器，小时表配件机器视觉 - 镜头专用
传感器，变送器

配件接近传感器温度传感器 - 温控器- 恒温器 - 机械式浮子，液位传感器运动传感器 - 振动光学传感器 - 光电，工业磁性传感器 - 开关（固态）温度传感器 - PTC 热敏电阻温度传感器 - 模拟和数字输出位置传感器 - 角度、线性位置测量磁体 - 多用途温度传感器 - RTD（电阻温度检测器）磁性传感器 - 线性，罗盘（IC）电流传感器磁性传感器 - 位置，接近，速度（模块）温度传感器 - NTC 热敏电阻器传感器接口 - 接线盒流量传感器温度传感器 - 热电偶，温度探头运动传感器 - 倾斜开关冲击、振动传感器磁性器件 - 传感器匹配式压力传感器、变送器
电缆，电线-管理

保护软管，实心管，衬套衬套，索环电缆和电线夹具电缆拉柄与支持握柄标签，标记接地织物、接地带标记物电缆扎带和束线带热缩管焊接套管配件热缩套，帽盖电缆扎带和束线带
开关

旋转开关配件 - 护套，密封件可配置开关元件 - 主体拨动开关按钮开关快动，限位开关钥匙锁开关选择开关导航开关，操纵杆配件 - 帽盖可编程显示器开关 DIP 开关摇臂开关磁性、磁簧开关拉绳开关滑动开关配件断连开关元件
连接器，连接线

同轴连接器（射频）- 适配器香蕉和尖头连接器 - 插孔，插头圆形连接器 - 适配器套管 - 音频连接器端子条和转台板端子块 - 接口模块可插拔连接器 - 配件模块化连接器 - 接线块圆形连接器 - 外壳矩形连接器 - 触头模块化连接器 - 磁性插孔端子，接线板 - 专用同轴连接器（射频）矩形连接器 - 配件端子 - 环形连接器端子 - 电线引脚连接器矩形连接器 - 自由悬挂，面板安装圆形连接器套管 - 配件端子板 - 线对板端子板 - DIN 导轨，通道同轴连接器（射频）- 触头端子块 - 配件 - 跳线端子 - PC 引脚，单接线柱连接器圆形连接器 - 后壳和电缆夹端子 - 铲形连接器 D-Sub，D 形连接器 - 配件 - 顶丝端子块 - 适配器圆形连接器 - 触头端子 - 快速连接，快速断开连接器光纤连接器触头 - 多用途电源接入连接器 - 配件端子 - 专用连接器端子板 - 隔板块香蕉和尖头连接器 - 接线柱矩形连接器 - 适配器端子 - 螺纹连接器 D 形连接器 D-Sub，D 形连接器 - 适配器矩形连接器 - 针座，公插针圆形连接器 - 配件端子板 - 针座，插头和插座端子块 - 配件同轴连接器（RF）- 端接器端子板 - 配电端子 - 适配器端子板 - 配件 - 导线扣箍系列间适配器端子 - 矩形连接器固态照明连接器触头，弹簧式和压力端子 - 电线接头连接器刀片式电源连接器 - 触头
继电器

汽车继电器功率继电器，高于 2 A 安全继电器 I/O 继电器模块机架接触器（机电）磁簧继电器信号继电器，高达 2 A 配件继电器插座、插槽固态继电器
五金件，紧固件，配件

配件旋钮垫圈螺母元件绝缘子，安装座，垫片螺丝，螺栓其它缓冲器，支脚，焊盘，握把轴承孔插头 DIN 导轨通道结构，运动五金件板垫片-支座铆钉
电阻器

配件电阻器网络，阵列特种电阻器底座安装电阻器片式电阻器 - 表面贴装
集成电路（IC）

PMIC - 热插拔控制器 PMIC - 稳压器 - DC DC 开关稳压器嵌入式 - 微控制器，微处理器，FPGA 模块 PMIC - 照明，镇流器控制器接口 - 模拟开关 - 特殊用途接口 - 电信接口 - 传感器和探测器接口 PMIC - 电压基准嵌入式 - FPGA（现场可编程门阵列） PMIC - 稳压器 - 线性 PMIC - 监控器线性器件 - 放大器 - 仪器、运算放大器、缓冲放大器 PMIC - 配电开关，负载驱动器 PMIC - 栅极驱动器 PMIC - 稳压器 - DC DC 开关式控制器 PMIC - 电源控制器，监视器 PMIC - LED 驱动器接口 - 专用嵌入式 - 微控制器 - 应用特定时钟/定时 - 可编程定时器和振荡器专用 IC 接口 - 驱动器，接收器，收发器存储器 PMIC - 电池管理
套件

连接器套件热缩管套件电路保护套件 - 保险丝电路保护套件 - TVS 二极管其它电路保护 - 分类套件传感器套件电缆组件电感器套件
光电器件

可寻址，专用面板指示器，指示灯灯 - 白炽灯，氖灯 LED 指示 - 分立 LED - 电路板指示器，阵列，发光条，条形图 LED 照明 - 白色光学 - 镜头配件 LED 照明 - COB，引擎，模块，灯条
电缆，电线

单芯电缆（连接线）多芯导线同轴电缆（射频）
音频产品

警报器，蜂鸣器，警笛配件扬声器
电容

陶瓷电容器云母和 PTFE 电容器微调器，可变电容器铝电解电容器双电层电容器（EDLC），超级电容器薄膜电容器电容器网络，阵列
标签，标志，护栏，标识

标签，贴纸，贴标 - 空白标志，铭牌，招贴标签，贴纸，贴标 - 预印配件标签锁定，挂锁屏障、路障、地面标记、胶带
工具

钢丝钳压接器 - 压头，模具组，成套模具专用工具锤子配件插拔工具螺丝和螺母起子 - 套件套筒 - 套件钳子光纤和配件压接器，压接机，压力机螺丝和螺母起子扳手螺丝和螺母起子 - 刀头、刀片和手柄化学品，清洁剂磨料和表面修整产品套筒，套筒手柄热风枪，气炬，配件手电筒压接器，压接机，压力机 - 配件六角，螺丝刀个人防护装备（PPE）
电缆组件

USB 电缆圆形电缆组件套管 - 电源电缆光纤电缆模块化电缆系列间适配器电缆矩形电缆组件特种电缆组件
隔离器

光隔离器 - 晶体管，光电输出隔离器 - 栅极驱动器光隔离器 - 双向可控硅，SCR 输出光隔离器 - 逻辑输出特殊用途
电机，电磁阀，螺线管，驱动器板/模块

电机驱动器板，模块步进电机电机 - 交流，直流 AC，DC 螺线管，执行器，致动器
电感器，线圈，扼流圈

阵列，信号转换器固定电感器
电池产品

配件电池座，电池夹，电池触头
滤波器

RF 滤波器共模扼流圈铁氧体磁珠和芯片
变压器

电源变压器电流互感器
盒子、外壳、机架

卡导槽配件评估，开发板外壳箱盒配件盒组件手柄机架配件机架
焊接，拆焊，返修产品

烙铁，镊子，手柄焊料焊接，拆焊，返修尖头，喷嘴
电位计，可变电阻器

微调电位计配件刻度盘旋转式电位计，变阻器
胶带，粘合剂，材料

胶带分配器胶，粘合剂，敷料器胶带
开发板，套件，编程器

可编程适配器，插座评估板 - 扩展板，子卡评估板 - LED 驱动器配件评估和演示板及套件软件，服务评估板 - 传感器评估板 - 嵌入式 - MCU，DSP
RF/IF，射频/中频和 RFID

射频评估和开发套件，开发板 RFID 应答器、标签射频放大器射频收发器模块 RF 天线 RFI 和 EMI - 屏蔽和吸收材料 RF 定向耦合器
线路保护，配电，备用

DC 到 AC（电源）逆变器不间断电源（UPS）系统线路调节器配电，浪涌保护器
测试与计量

设备 - 专用测试夹 - 短头鳄鱼夹，鳄鱼夹，重型设备 - 万用表测试引线 - 热电偶，温度探头测试点测试引线 - 套件，分类配件测试探头尖
创客/DIY，教育

机器人套件可穿戴设备教学套件
计算机设备

打印机，标签打印机桌面操纵杆，模拟产品，控制杆
晶体，振荡器，谐振器

振荡器晶体
网络解决方案

交换机，集线器其它
风扇，热管理

风扇 - 配件热 - 粘合剂，环氧树脂，油脂，膏散热 - 液体冷却
静电控制，防静电，ESD，无尘室产品

静电控制屏蔽包，防静电袋、物料配件监测仪，测试仪
电源 - 板安装

配件直流转换器
电源 - 外部/内部（板外）

LED 驱动器配件 AC DC 转换器
原型开发，制造品

适配器，分接板 3D 打印丝
光学检测设备

小型放大镜，放大镜

Circuit Protection: TVS - Mixed Technology Fuses Inrush Current Limiters (ICL)Circuit Breakers Lighting Protection Electrical, Specialty Fuses TVS - Varistors, MOVs Gas Discharge Tube Arresters (GDT)Accessories TVS - Surge Protection Devices (SPDs)Thermal Cutoffs (Thermal Fuses)TVS - Thyristors Ground Fault Circuit Interrupter (GFCI)TVS - Diodes PTC Resettable Fuses Fuseholders

Discrete Semiconductor Products: Thyristors - TRIACs Thyristors - DIACs, SIDACs Transistors - Special Purpose Transistors - FETs, MOSFETs - Arrays Thyristors - SCRs Diodes - RF Transistors - IGBTs - Arrays Diodes - Bridge Rectifiers Diodes - Zener - Single Power Driver Modules Transistors - Bipolar (BJT) - Single Transistors - IGBTs - Modules Diodes - Rectifiers - Arrays Transistors - IGBTs - Single Diodes - Rectifiers - Single Thyristors - SCRs - Modules Transistors - FETs, MOSFETs - Single

Industrial Automation and Controls: Controllers - Liquid, Level Panel Meters Pneumatics, Hydraulics Controllers - Process, Temperature Time Delay Relays Protection Relays & Systems Controllers - Accessories Monitor - Current/Voltage Transducer Monitor - Relay Output Controllers - PLC Modules Panel Meters - Counters, Hour Meters Accessories Machine Vision - Lens Specialized

Cables, Wires - Management: Protective Hoses, Solid Tubing, Sleeving Bushings, Grommets Cable and Cord Grips Pulling, Support Grips Labels, Labeling Grounding Braid, Straps Markers Cable Ties and Cable Lacing Heat Shrink Tubing Solder Sleeve Accessories Heat Shrink Boots, Caps Cable Supports and Fasteners

Switches: Rotary Switches Accessories - Boots, Seals Configurable Switch Components - Body Toggle Switches Pushbutton Switches Snap Action, Limit Switches Keylock Switches Selector Switches Navigation Switches, Joystick Accessories - Caps Programmable Display Switches DIP Switches Rocker Switches Magnetic, Reed Switches Cable Pull Switches Slide Switches Accessories Disconnect Switch Components

Connectors, Interconnects: Coaxial Connectors (RF) - Adapters Banana and Tip Connectors - Jacks, Plugs Circular Connectors - Adapters Barrel - Audio Connectors Terminal Strips and Turret Boards Terminal Blocks - Interface Modules Pluggable Connectors - Accessories Modular Connectors - Wiring Blocks Circular Connectors - Housings Rectangular Connectors - Contacts Modular Connectors - Jacks With Magnetics Terminal Blocks - Specialized Coaxial Connectors (RF)Rectangular Connectors - Accessories Terminals - Ring Connectors Terminals - Wire Pin Connectors Rectangular Connectors - Free Hanging, Panel Mount Circular Connectors Barrel - Accessories Terminal Blocks - Wire to Board Terminal Blocks - Din Rail, Channel Coaxial Connectors (RF) - Contacts Terminal Blocks - Accessories - Jumpers Terminals - PC Pin, Single Post Connectors Circular Connectors - Backshells and Cable Clamps Terminals - Spade Connectors D-Sub, D-Shaped Connectors - Accessories - Jackscrews Terminal Blocks - Adapters Circular Connectors - Contacts Terminals - Quick Connects, Quick Disconnect Connectors Fiber Optic Connectors Contacts - Multi Purpose Power Entry Connectors - Accessories Terminals - Specialized Connectors Terminal Blocks - Barrier Blocks Banana and Tip Connectors - Binding Posts Rectangular Connectors - Adapters Terminals - Screw Connectors D-Sub Connectors D-Sub, D-Shaped Connectors - Adapters Rectangular Connectors - Headers, Male Pins Circular Connectors - Accessories Terminal Blocks - Headers, Plugs and Sockets Terminal Blocks - Accessories Coaxial Connectors (RF) - Terminators Terminal Blocks - Power Distribution Terminals - Adapters Terminal Blocks - Accessories - Wire Ferrules Between Series Adapters Terminals - Rectangular Connectors Solid State Lighting Connectors Contacts, Spring Loaded and Pressure Terminals - Wire Splice Connectors Blade Type Power Connectors - Contacts

Relays: Automotive Relays Power Relays, Over 2 Amps Safety Relays I/O Relay Module Racks Contactors (Electromechanical)Reed Relays Signal Relays, Up to 2 Amps Accessories Relay Sockets Solid State Relays

Hardware, Fasteners, Accessories: Accessories Knobs Washers Nuts Component Insulators, Mounts, Spacers Screws, Bolts Miscellaneous Bumpers, Feet, Pads, Grips Bearings Hole Plugs DIN Rail Channel Structural, Motion Hardware Board Spacers, Standoffs Rivets

Resistors: Accessories Resistor Networks, Arrays Specialized Resistors Chassis Mount Resistors Chip Resistor - Surface Mount

Integrated Circuits (ICs): PMIC - Hot Swap Controllers PMIC - Voltage Regulators - DC DC Switching Regulators Embedded - Microcontroller, Microprocessor, FPGA Modules PMIC - Lighting, Ballast Controllers Interface - Analog Switches - Special Purpose Interface - Telecom Interface - Sensor and Detector Interfaces PMIC - Voltage Reference Embedded - FPGAs (Field Programmable Gate Array)PMIC - Voltage Regulators - Linear PMIC - Supervisors Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps PMIC - Power Distribution Switches, Load Drivers PMIC - Gate Drivers PMIC - Voltage Regulators - DC DC Switching Controllers PMIC - Power Supply Controllers, Monitors PMIC - LED Drivers Interface - Specialized Embedded - Microcontrollers - Application Specific Clock/Timing - Programmable Timers and Oscillators Specialized ICs Interface - Drivers, Receivers, Transceivers Memory PMIC - Battery Management

Kits: Connector Kits Heat Shrink Tubing Kits Circuit Protection Kits - Fuse Circuit Protection Kits - TVS Diodes Miscellaneous Circuit Protection - Assortment Kits Sensor Kits Cable Assemblies Inductor Kits

Optoelectronics: Addressable, Specialty Panel Indicators, Pilot Lights Lamps - Incandescents, Neons LED Indication - Discrete LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs LED Lighting - White Optics - Lenses Accessories LED Lighting - COBs, Engines, Modules, Strips

Cables, Wires: Single Conductor Cables (Hook-Up Wire)Multiple Conductor Cables Coaxial Cables (RF)

Audio Products: Alarms, Buzzers, and Sirens Accessories Speakers

Capacitors: Ceramic Capacitors Mica and PTFE Capacitors Trimmers, Variable Capacitors Aluminum Electrolytic Capacitors Electric Double Layer Capacitors (EDLC), Supercapacitors Film Capacitors Capacitor Networks, Arrays

Labels, Signs, Barriers, Identification: Labels, Stickers, Decals - Blank Signs, Nameplates, Posters Labels, Stickers, Decals - Preprinted Accessories Tags Lockouts, Padlocks Barriers, Barricades, Floor Markings, Tapes

Cable Assemblies: USB Cables Circular Cable Assemblies Barrel - Power Cables Fiber Optic Cables Modular Cables Between Series Adapter Cables Rectangular Cable Assemblies Specialized Cable Assemblies

Isolators: Optoisolators - Transistor, Photovoltaic Output Isolators - Gate Drivers Optoisolators - Triac, SCR Output Optoisolators - Logic Output Special Purpose

Motors, Solenoids, Driver Boards/Modules: Motor Driver Boards, Modules Stepper Motors Motors - AC, DC Solenoids, Actuators

Inductors, Coils, Chokes: Arrays, Signal Transformers Fixed Inductors

Battery Products: Accessories Battery Holders, Clips, Contacts

Filters: RF Filters Common Mode Chokes Ferrite Beads and Chips

Transformers: Power Transformers Current Sense Transformers

Boxes, Enclosures, Racks: Card Guides Evaluation, Development Board Enclosures Boxes Box Accessories Box Components Handles Rack Accessories Racks

Soldering, Desoldering, Rework Products: Soldering Irons, Tweezers, Handles Solder Soldering, Desoldering, Rework Tips, Nozzles

Potentiometers, Variable Resistors: Trimmer Potentiometers Accessories Scale Dials Rotary Potentiometers, Rheostats

Tapes, Adhesives, Materials: Tape Dispensers Glue, Adhesives, Applicators Tape

Development Boards, Kits, Programmers: Programming Adapters, Sockets Evaluation Boards - Expansion Boards, Daughter Cards Evaluation Boards - LED Drivers Accessories Evaluation and Demonstration Boards and Kits Software, Services Evaluation Boards - Sensors Evaluation Boards - Embedded - MCU, DSP

RF/IF and RFID: RF Evaluation and Development Kits, Boards RFID Transponders, Tags RF Amplifiers RF Transceiver Modules RF Antennas RFI and EMI - Shielding and Absorbing Materials RF Directional Coupler

Line Protection, Distribution, Backups: DC to AC (Power) Inverters Uninterruptible Power Supply (UPS) Systems Line Conditioners Power Distribution, Surge Protectors

Test and Measurement: Equipment - Specialty Test Clips - Alligator, Crocodile, Heavy Duty Equipment - Multimeters Test Leads - Thermocouples, Temperature Probes Test Points Test Leads - Kits, Assortments Accessories Test Probe Tips

Maker/DIY, Educational: Robotics Kits Wearables Educational Kits

Computer Equipment: Printers, Label Makers Desktop Joysticks, Simulation Products

Crystals, Oscillators, Resonators: Oscillators Crystals

Networking Solutions: Switches, Hubs Miscellaneous

Fans, Thermal Management: Fans - Accessories Thermal - Adhesives, Epoxies, Greases, Pastes Thermal - Liquid Cooling

Static Control, ESD, Clean Room Products: Static Control Shielding Bags, Materials Accessories Monitors, Testers

Power Supplies - Board Mount: Accessories DC DC Converters

Power Supplies - External/Internal (Off-Board): LED Drivers Accessories AC DC Converters

Prototyping, Fabrication Products: Adapter, Breakout Boards 3D Printing Filaments

Optical Inspection Equipment: Loupes, Magnifiers

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