Littelfuse

Littelfuse is delicated to manufacturing products that are crucial components in applications that use electrical energy. These applications include consumer electronics, vehicles and industrial facilities. We provide the most extensive portfolio of circuit protection products in the industries. In the meantime, we provide the growing platforms in power control and sensing. They are expanding into adjoining markets contain power semiconductors, heavy-duty switches, magnetic, optical, electromechanical, and temperature sensors. We focus on products that provide safe control and distribution of electrical power.

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 - FETs, MOSFETs - Arrays Thyristors - SCRs Diodes - RF Transistors - IGBTs - Arrays Diodes - Bridge Rectifiers Diodes - Zener - 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
Sensors, Transducers

Accessories Proximity Sensors Temperature Sensors - Thermostats - Mechanical Float, Level Sensors Motion Sensors - Vibration Optical Sensors - Photoelectric, Industrial Magnetic Sensors - Switches (Solid State) Temperature Sensors - PTC Thermistors Temperature Sensors - Analog and Digital Output Position Sensors - Angle, Linear Position Measuring Magnets - Multi Purpose Temperature Sensors - RTD (Resistance Temperature Detector) Current Sensors Magnetic Sensors - Position, Proximity, Speed (Modules) Temperature Sensors - NTC Thermistors Sensor Interface - Junction Blocks Flow Sensors Temperature Sensors - Thermocouple, Temperature Probes Motion Sensors - Tilt Switches Shock Sensors Magnets - Sensor Matched Pressure Sensors, Transducers
Integrated Circuits (ICs)

Integrated Circuits (ICs)
Cables, Wires - Management

Bushings, Grommets Cable and Cord 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 DIP Switches Rocker Switches Magnetic, Reed Switches Cable Pull Switches Slide Switches Accessories Disconnect Switch Components
Connectors, Interconnects

Banana and Tip Connectors - Jacks, Plugs Circular Connectors - Adapters Barrel - Audio Connectors Terminal Strips and Turret Boards Terminal Blocks - Interface Modules Pluggable Connectors - Accessories 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 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 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

Resistor Networks, Arrays Specialized Resistors Chassis Mount Resistors Chip Resistor - Surface Mount
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
Integrated Circuits (ICs)

PMIC - Hot Swap Controllers PMIC - Voltage Regulators - DC DC Switching Regulators 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 - LED Drivers Interface - Specialized Clock/Timing - Programmable Timers and Oscillators Specialized ICs Interface - Drivers, Receivers, Transceivers Memory PMIC - Battery Management
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
Cables, Wires

Single Conductor Cables (Hook-Up Wire) Multiple Conductor Cables Coaxial Cables (RF)
Audio Products

Alarms, Buzzers, and Sirens Accessories Speakers
Capacitors

Mica and PTFE Capacitors Trimmers, Variable Capacitors Aluminum Electrolytic Capacitors 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
Tools

Wire Cutters Crimpers - Crimp Heads, Die Sets Specialized Tools Hammers Accessories Insertion, Extraction Screw and Nut Drivers - Sets Sockets - Sets Pliers Fiber Optics and Accessories Crimpers, Applicators, Presses Screw and Nut Drivers Wrenches Screw and Nut Drivers - Bits, Blades and Handles Chemicals, Cleaners Abrasives and Surface Conditioning Products Sockets, Socket Handles Heat Guns, Torches, Accessories Flashlights Crimpers, Applicators, Presses - Accessories Hex, Torx Keys Personal Protective Equipment (PPE)
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
Motors, Solenoids, Driver Boards/Modules

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

Optoisolators - Transistor, Photovoltaic Output Isolators - Gate Drivers Optoisolators - Triac, SCR Output Optoisolators - Logic Output Special Purpose
Inductors, Coils, Chokes

Arrays, Signal Transformers Fixed Inductors
Static Control, ESD, Clean Room Products

Static Control, ESD, Clean Room Products
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
Cable Assemblies

Cable Assemblies
Development Boards, Kits, Programmers

Cable Assemblies