Littelfuse

Littelfuse
Littelfuse products are vital components in applications that use electrical energy, from consumer electronics to vehicles and industrial facilities. They offer the industry’s broadest and deepest portfolio of circuit protection products, with growing platforms in power control and sensing. They are expanding into adjacent markets as part of their corporate strategy of accelerated organic growth and strategic acquisitions. These markets include power semiconductors, heavy-duty switches, magnetic, optical, electromechanical, and temperature sensors; and products that provide safe control and distribution of electrical power.
Resistors
  • Specialized Resistors
  • Chip Resistor - Surface Mount
Fans, Thermal Management
  • Adhesives, Epoxies, Greases, Pastes
Battery Products
  • Accessories
  • Battery Chargers
Sensors, Transducers
  • Accessories
  • Temperature Sensors - NTC Thermistors
  • Temperature Sensors - Thermocouples, Temperature Probes
  • Temperature Sensors - Analog and Digital Output
  • Temperature Sensors - RTD (Resistance Temperature Detector)
  • Temperature Sensors - PTC Thermistors
  • NTC Thermistors
  • Motion Sensors - Optical
  • Sensor Matched Magnets
  • Optical Motion Sensors
  • Position Sensors - Angle, Linear Position Measuring
  • Solar Cells
  • Shock Sensors
  • Current Sensors
  • Float, Level Sensors
  • Flow Sensors
  • IrDA Transceiver Modules
  • Magnets - Sensor Matched
  • Magnets - Multi Purpose
  • Magnetic Sensors - Switches (Solid State)
  • Magnetic Sensors - Position, Proximity, Speed (Modules)
  • Magnetic Sensors - Position, Proximity, Speed (Modules) - Industrial
  • Magnetic Sensors - Linear, Compass (ICs)
Motors, Actuators, Solenoids and Drivers
  • Accessories
  • Motor Driver Boards, Modules
Discrete Semiconductor Products
  • Transistors - FETs, MOSFETs - Arrays
  • Thyristors - TRIACs
  • Transistors - IGBTs - Modules
  • Thyristors - DIACs, SIDACs
  • Transistors - IGBTs - Arrays
  • Thyristors - SCRs
  • Transistors - Special Purpose
  • Thyristors - SCRs - Modules
  • Transistors - FETs, MOSFETs - Single
  • Power Driver Modules
  • Diodes - Rectifiers - Single
  • Diodes - Rectifiers - Arrays
  • Diodes - Zener - Single
  • Transistors - FETs, MOSFETs - RF
  • Transistors - IGBTs - Single
  • IGBT Modules
  • SCRs
  • Thyristors
  • TRIACs
  • SCRs - Modules
  • Diodes - Bridge Rectifiers
  • Single IGBTs
  • Single Diodes
  • Single FETs, MOSFETs
  • Bridge Rectifiers
Filters
  • Common Mode Chokes
  • EMI/RFI Filters (LC, RC Networks)
Circuit Protection
  • PTC Resettable Fuses
  • TVS - Diodes
  • Inrush Current Limiters (ICL)
  • TVS - Mixed Technology
  • Lighting Protection
  • Ground Fault Circuit Interrupter (GFCI)
  • TVS - Varistors, MOVs
  • TVS - Surge Protection Devices (SPDs)
  • Thermal Cutoffs (Thermal Fuses and Breakers)
  • TVS - Thyristors
  • Electrical, Specialty Fuses
  • Fuses
  • Gas Discharge Tube Arresters (GDT)
  • Circuit Breakers
  • Accessories
  • Fuseholders
  • TVS Diodes
  • Varistors, MOVs
  • Circuit Protection Accessories
Relays
  • Power Relays, Over 2 Amps
  • Reed Relays
  • Safety Relays
  • Relay Sockets
  • Solid State Relays
  • Signal Relays, Up to 2 Amps
  • Contactors (Electromechanical)
  • Automotive Relays
  • Accessories
Power Supplies - Board Mount
  • DC DC Converters
Isolators
  • Special Purpose
  • Isolators - Gate Drivers
  • Optoisolators - Logic Output
  • Optoisolators - Transistor, Photovoltaic Output
Capacitors
  • Aluminum Electrolytic Capacitors
  • Capacitor Networks, Arrays
Switches
  • Accessories - Caps
  • Accessories - Boots, Seals
  • Accessories
  • Cable Pull Switches
  • Selector Switches
  • Disconnect Switch Components
  • Keylock Switches
  • Limit Switches
  • Magnetic, Reed Switches
  • Pushbutton Switches
  • Rocker Switches
  • Rotary Switches
  • Toggle Switches
Industrial Automation and Controls
  • Accessories
  • Controllers - Liquid, Level
  • Controllers - Process, Temperature
  • Time Delay Relays
  • Controllers - Accessories
  • Protection Relays & Systems
  • Specialized
  • Monitor - Relay Output
  • Monitor - Current/Voltage Transducer
Line Protection, Distribution, Backups
  • Power Distribution, Surge Protectors
Integrated Circuits (ICs)
  • DC DC Switching Controllers
  • Counters, Dividers
  • Voltage Regulators - Linear
  • Translators, Level Shifters
  • Microcontrollers, Microprocessor, FPGA Modules
  • Thermal Management
  • DSP (Digital Signal Processors)
  • Microprocessors
  • Controllers
  • Microcontrollers
  • Analog Switches - Special Purpose
  • Application Specific Microcontrollers
  • Drivers, Receivers, Transceivers
  • Specialized
  • Special Purpose Amplifiers
  • Encoders, Decoders, Converters
  • Voltage Regulators - DC DC Switching Regulators
  • Modems - ICs and Modules
  • Telecom
  • Signal Terminators
  • Instrumentation, OP Amps, Buffer Amps
  • Lighting, Ballast Controllers
  • Power Distribution Switches, Load Drivers
  • LED Drivers
  • Power Management - Specialized
  • Gate Drivers
  • OR Controllers, Ideal Diodes
  • Audio Special Purpose
  • Current Regulation/Management
  • Special Purpose Regulators
  • Specialized ICs
  • Programmable Timers and Oscillators
  • Supervisors
  • Clock Generators, PLLs, Frequency Synthesizers
Inductors, Coils, Chokes
  • Fixed Inductors
Kits
  • Sensor Kits
  • Cable Assemblies
  • Circuit Protection Kits - TVS Diodes
  • Circuit Protection - Assortment Kits
  • Connector Kits
  • Miscellaneous
  • Circuit Protection Kits - Fuse
Connectors, Interconnects
  • Spade Connectors
  • Specialized Connectors
  • Wire Splice Connectors
  • Blade Type Power Connector Contacts
  • Quick Connects, Quick Disconnect Connectors
  • Ring Connectors
  • Circular Connector Adapters
  • Circular Connector Accessories
  • Power Distribution
  • Barrier Blocks
  • Coaxial Connector (RF) Assemblies
  • Circular Connector Contacts
  • Circular Connector Housings
  • Circular Connector Assemblies
  • Power Entry Connector Accessories
  • Terminal Strips and Turret Boards
Development Boards, Kits, Programmers
  • Programmers, Emulators, and Debuggers
  • Software, Services
  • Evaluation and Demonstration Boards and Kits
  • RF Evaluation and Development Kits, Boards
  • Evaluation Boards - Embedded - MCU, DSP
  • Evaluation Boards - Sensors
  • Evaluation Boards - LED Drivers
  • Programming Adapters, Sockets
  • Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS
  • Accessories
Networking Solutions
  • Miscellaneous
Transformers
  • Power Transformers
  • Current Sense Transformers
  • Pulse Transformers
Cables, Wires
  • Multiple Conductor Cables
Audio Products
  • Alarms, Buzzers, and Sirens
  • Accessories
Uncategorized
  • Unclassified
Potentiometers, Variable Resistors
  • Rotary Potentiometers, Rheostats
  • Scale Dials
  • Accessories
Optoelectronics
  • Accessories
  • Panel Indicators, Pilot Lights
Cable Assemblies
  • Circular Cable Assemblies
  • Specialized Cable Assemblies
  • Rectangular Cable Assemblies
RF/IF and RFID
  • RF Misc ICs and Modules
  • RFID Transponders, Tags
  • RF Transceiver Modules and Modems
  • RF Transceiver ICs