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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.
Integrated Circuits (ICs)
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Specialty Audio ICs
Application Specific Timer
Clock Buffers & Drivers
Clock Generators
Delay Lines Timing ICs
IC Batteries
Programmable Timers & Oscillators
RTCs
Special Purpose ADCs/DACs
AFE
ADC
Digital Potentiometers
DAC
Touch Screen Controllers
CPLDs
DSP
FPGAs
FPGAs with Microcontrollers
Embedded ICs Modules
Microcontrollers
Application Specific Microcontrollers
Microprocessors
PLDs
SoC
Special Purpose Analog Switches
Analog Switches & Multiplexers ICs
CODECs Interface ICs
Controllers Interface ICs
DDS
Drivers Interface ICs
Converting Interface ICs
Active Filters
I/O Expanders
Modems ICs & Modules
Interface ICs Modules
Sensor & Detector Interface ICs
Capacitive Sensors
Serializers & Deserializers
Signal Buffers
Signal Terminators
Specialized Interface ICs
Telecom Interface ICs
UARTs
Voice Record and Playback
Audio Amplifiers
Instrumentational OP Amps
Special Purpose Amplifiers
Video Amps & Modules
Analog Multipliers & Dividers
Linear Comparators
Video Processing Linear ICs
Buffers & Transceivers
Comparators
Counters & Dividers
FIFOs Memory
Flip Flops
Gates & Inverters
Multi-Functional Gates & Inverters
Latches
Multivibrators
Parity Generators & Checkers
Shift Registers
Signal Switches & Multiplexers
Specialty Logic ICs
Voltage Translators & Level Shifters
Universal Bus Functions
Memory
Memory Batteries
Configuration Proms for FPGAs
Memory Controllers
AC to DC Converter ICs
Battery Chargers ICs
Battery Management ICs
Current Regulator IC
Display Drivers ICs
Energy Metering ICs
Full & Half-Bridge Drivers ICs
Gate Drivers ICs
Hot Swap Controllers
Laser Driver ICs
LED Driver ICs
Lighting Controllers
Motor Drivers
Ideal Diode controller
PFC PMICs
Power Switches ICs
Specialized Power Management ICs
PoE Controllers
Power Supply Control ICs
RMS to DC Converters
Voltage Supervisors
Thermal Management
V/F & F/V Converters
Voltage Reference
DC to DC converter
DC DC Voltage Regulators
Linear Voltage Regulators
Switching Voltage Regulators
Linear Regulator Controllers
Specialized Voltage Regulators
Specialized ICs
Specialty Audio ICs
Audio Products
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Audio Accessories
Alarms
Amplifier Accessories
Buzzer Elements
Guitar Parts
Microphones
Speakers
Vacuum Tubes
Battery Products
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Battery Accessories
Primary Batteries
Rechargeable Batteries
Battery Chargers
Battery Holders
Battery Packs
Cigarette Lighter Assemblies
Box & Enclosure Products
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Backplanes
Box Accessories
Box Components
Boxes
Cams
Card Guide Accessories
Card Guides
Card Rack Accessories
Card Racks
Evaluation Board Enclosures
Handles
Latches & Locks
Patchbay Accessories
Patchbay
Rack Accessories
Rack Components
Rack Thermal Management
Racks
Cable Assemblies
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Barrel Audio Cables
Barrel Power Cables
Between Series Adapter Cables
Circular Cable Assemblies
RF Cable Assemblies
D-Shaped Cables
D-Sub Cables
Fiber Optic Cables Assemblies
Firewire Cables
Flat Cables
Ribbon Jumper Cables
Pre-Crimped Leads
LGH Cables
Modular Cables
Pluggable Cables
Power & Extension Cords
Rectangular Cable Assemblies
Smart Cables
SSL Cables
Specialized Cable Assemblies
USB Cables
Video Cables
Cables & Wires
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Coaxial Cables
Fiber Optic Cables
Flat Flex Cables
Flat Ribbon Cables
Modular Flat Cable
Multiple Conductor Cables
Hook-Up Wire
Wire Wrap Cables
Cables Management
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Cable Management Accessories
Bushings
Cable & Cord Grips
Cable Supports & Fasteners
Cable Ties Mounts & Holders
Cable Ties & Cable Lacing
Cold Shrink Tape
Fiber Optic Cables Management
Grounding Braid
Heat Shrink Boots
Heat Shrink Fabric
Heat Shrink Tubing
Heat Shrink Wrap
Labels
Markers
Protective Cables Management
Pulling Grips
Solder Sleeve
Expandable Sleeving
Splice Enclosures
Raceways
Raceways Accessories
Raceways Covers
Capacitors
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Capacitor Accessories
Aluminum Polymer Capacitors
Aluminum Electrolytic Capacitors
Capacitor Networks
Ceramic Capacitors
Supercapacitors & EDLC
Film Capacitors
Mica & PTFE Capacitors
Niobium Oxide Capacitors
Silicon Capacitors
Tantalum Polymer Capacitors
Tantalum Capacitors
Thin Film Capacitors
Variable Capacitors
Circuit Protection
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Circuit Protection Accessories
Circuit Breakers
Electrical Fuses
Fuseholders
Fuses
GDT
GFCI
ICL
Lighting Protection
PTC Resettable Fuses
Surge Suppression ICs
Thermal Fuses
TVS Diodes
TVS Mixed Technology
TVS SPDs
TVS Thyristors
TVS Varistors
Computer Equipment
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PC Accessories
Adapter Cards
Adapters
Brackets
Projectors
Computer Mouse
Desktop Joysticks Products
Keyboards
KVM Switches
KVM Switches Cables
Smart Card Readers
Memory Card Readers
Monitors
Label Printing
Privacy & Screen Protectors
Server Acceleration Cards
Connectors
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Backplane Connectors Accessories
ARINC Connectors
Rectangular Contact Inserts
Backplane Connector Contacts
DIN 41612 Connectors
Hard Metric Connector
Backplane Connectors Housings
Specialized Backplane Connectors
Banana Tip Connectors Accessories
Banana Tip Adapters
Banana Tip Binding Posts
Banana Tip Jacks
Barrel Accessories
Barrel Adapters
Barrel Audio Connectors
Barrel Power Connectors
Between Series Adapters
Blade Type Power Connectors
Blade Type Power Connectors Accessories
Blade Type Power Contacts
Blade Type Power Connectors Housings
Card Edge Connectors Accessories
Card Edge Adapters
Card Edge Contacts
Edgeboard Connectors
Card Edge Connectors Housings
Circular Connectors
Circular Connectors Accessories
Circular Adapters
Backshells and Cable Clamps
Circular Contacts
Circular Connectors Housings
Coaxial Connectors
Coaxial Connectors Accessories
RF Adapters
RF Contacts
RF Terminators
Leadframe Contacts
Multi Purpose Contacts
Spring Loaded Contacts
Centronics Connectors
D-Sub Connectors
D-Sub Connectors Accessories
D-Sub Jackscrews
D-Sub Adapters
D-Sub Hoods
D-Sub Contacts
D-Sub Connector Housings
D-Sub Connector Terminators
Flat Flexible Connectors
Flat Flexible Connectors Accessories
Flat Flexible Contacts
Flat Flexible Connector Housings
Fiber Optic Connectors
Fiber Optic Connectors Accessories
Fiber Optic Adapters
Fiber Optic Connectors Housings
Heavy Duty Connectors Accessories
Heavy Duty Connectors Assemblies
Heavy Duty Contacts
Heavy Duty Connector Frames
Heavy Duty Connector Housings
Heavy Duty Connectors Modules
Keystone Accessories
Faceplates & Frames
Keystone Inserts
LGH Connectors
Memory Connectors Accessories
Inline Memory Module Sockets
Memory Card Sockets
Memory Card Adapters
Modular Connectors Accessories
Modular Adapters
Magnetics Modular Jacks
Modular Jacks
Modular Plug Housings
Modular Plugs
Wiring Modular Connectors
Wiring Blocks Accessories
Photovoltaic Connectors
Photovoltaic Connectors Accessories
Photovoltaic Contacts
Pluggable Connectors
Pluggable Connectors Accessories
Power Entry Connectors Accessories
Power Entry Connectors Modules
Rectangular Connectors Accessories
Rectangular Connectors Adapters
Rectangular Connectors Arrays
Board In Connectors
Board to Board Connectors
Rectangular Connectors
Panel Mount Connectors
Headers & Male Pins
IC and Component Sockets
Rectangular Connectors Headers
Rectangular Connectors Housings
Spring Loaded Rectangular Connectors
Shunts & Jumpers
Transistor Sockets
IC Sockets Accessories
IC Adapters
SSL Connectors
SSL Connectors Accessories
SSL Contacts
Terminal Blocks Accessories
Terminal Jumpers
Terminal Marker Strips
Terminal Wire Ferrules
Terminal Block Adapters
Barrier Terminal Blocks
Terminal Blocks - Contacts
Din Rail Terminal Blocks
Pluggable Terminal Blocks
Interface Modules Terminal Blocks
Panel Mount Terminal Blocks
Power Distribution Terminal Blocks
Specialized Terminal Blocks
Wire-to-Board Terminal Blocks
Terminal Junction Systems
Terminal Strips and Turret Boards
Terminals Accessories
Terminal Adapters
Barrel Connectors
Foil Connectors
Terminals Housings
Knife Connectors
Magnetic Wire Terminals
Socket Terminals
PC Pin Terminals
Quick-Connect & Quick-Disconnect Connectors
Rectangular Terminals
Ring Terminals
Screw Connectors
Solder Lug Connectors
Spade Connectors
Specialized Connectors
Turret Connectors
Wire Pin Connectors
Wire Splice Connectors
Wire-to-Board Connectors
Video Connectors
Video Connector Accessories
Video Adapters
Crystals
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Crystals Accessories
Crystals
Oscillators
Pin Configurable Oscillators
Programmable Oscillators
Resonators
Stand Alone Programmers
Voltage Controlled Oscillators
Evaluation Boards
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Development Boards Accessories
Evaluation Kits & Boards
ADCs Evaluation Boards
Audio Amplifiers Boards
SMPS Evaluation Boards
DACs Evaluation Boards
FPGA Evaluation Boards
MCU Evaluation Boards
Expansion Boards
LED Drivers Evaluation Boards
Linear Voltage Regulator Boards
Op Amps Evaluation Boards
Sensors Evaluation Boards
Programmers
Programming Adapters
Software & Services
UV Erasers
Discrete Semiconductors
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Bridge Rectifiers
Rectifier Diode Array
Single-Phase Diode Rectifier
RF Diodes
Varactors
Zener Diode Arrays
Zener Single Diodes
Power Driver Modules
DIACs and SIDACs
SCRs Thyristors
Thyristors Modules
TRIACs Thyristors
Arrays BJT Transistors
BJT Transistors Arrays
RF BJT Transistors
Single BJT Transistors
Pre-Biased BJT Transistors
MOSFETs Transistors Arrays
RF MOSFETs Transistors
Single MOSFETs Transistors
IGBTs Transistors Arrays
IGBTs Modules
Single IGBTs
JFETs Transistors
Programmable Unijunction Transistors
Specialized Transistors
Embedded Computers
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Embedded PC Accessories
Interface Boards
SBCs
Thermal Management
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AC Fans
DC Brushless Fans
Fans Accessories
Fan Cords
Fans Supplement
Thermal Accessories
Thermal Adhesives
Thermal Flex Heaters
Heat Pipes
Heat Sinks
Thermal Liquid Cooling
Thermal Pads
Thermal Assemblies
Thermal Modules
Filters
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Filters Accessories
Cable Ferrites
Ceramic Filters
Common Mode Chokes
DSL Filters
EMI/RFI Filters
Feed Through Capacitors
Ferrite Beads and Chips
Ferrite Disks and Plates
Helical Filters
Monolithic Crystals
Power Line Filter Modules
RF Filters
SAW Filters
Mechanical Assembly
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Fasterners Accessories
Bearings
Board Spacers
Board Supports
Bumpers
Clips
Component Insulators
DIN Rail Channel
Foam
Hinges
Hole Plugs
Knobs
Miscellaneous
Mounting Brackets
Nuts
Reclosable Fasteners
Rivets
Screw Grommets
Screws
Motion Hardware
Washers
Bushing & Shoulder
Inductors
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Adjustable Inductors
Signal Transformers
Delay Lines
Fixed Inductors
Wireless Charging Coils
Automation & Controls
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Automation Accessories
Cam Positioners
Controllers Accessories
Cable Assemblies
Liquid Level Controllers
Safety Controllers
PLC Modules
Temperature Controllers
PLC Controllers
HMI
HMI Accessories
Industrial Equipment
Lighting Control
Lighting Control Accessories
Liquid Filtration
Safety Laser Scanners
Safety Light Curtains
Machine Vision Accessories
Machine Vision Cameras
Machine Vision Process
Machine Vision Lens
Machine Vision Lighting
Current/Voltage Transducer
Monitor - Relay Output
Panel Meters
Panel Meters Accessories
Counters
Pneumatics & Hydraulics
Protection Relays
Robotics Accessories
End Effectors
Robots
Specialized Automation
Stackable Components
Time Delay Relays
Isolators
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Digital Isolators
Isolated Gate Drivers
Logic Optoisolators
Photovoltaic Optoisolators
Triac Optoisolators
Specialized Isolators
Kits
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Accessories
Audio Kits
Cable Assemblies Kits
Single Conductors
Capacitor Kits
Assortment Kits
Fuse
TVS Diodes Kits
Connector Adapter Kits
Connector Kits
Crystal Kits
Discrete Assortment Kits
EMI & Filter Kits
Fiber Optic Kits
Hardware Kits
Heat Shrink Tubing Kits
Inductor Kits
ICs Kits
LED Kits
Miscellaneous Kits
Light Pipe Kits
Potentiometer Kits
Prototyping Boards
Resistor Kits
RF Shield Kits
Sensor Kits
Static Control Kit
Switch Kits
Tape Kits
Thermistor Kits
Transformer Kits
Wire and Cable Tie Kits
Labels & Signs
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Identification Accessories
Barriers
Blank Labels
Preprinted Labels
Lockouts
Signs & Posters
Tags
Line Protection, Distribution & Backups
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Line Protection & Distribution
DC to AC Inverters
Line Conditioners
Surge Protectors
UPS Systems
Magnetic Components
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Mounts
Ferrite Cores
Magnetic Wire
DIY & Educational
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Educational Kits
Gizmos
Robotics Kits
Wearables
Memory Cards & Modules
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Memory Cards Accessories
Memory Modules
Memory Cards
SSDs & HDDs
Specialized Modules
USB Flash Drives
Motors & Drivers
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Motors Accessories
Motor Driver Modules
AC & DC Motors
Actuators
Stepper Motors
Networking Solutions
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Networking Solutions Accessories
Gateways
Media Converters
Miscellaneous Networking Solutions
Serial Device Servers
Switches and Hubs
Optical Inspection Equipment
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Optical Inspection Accessories
Stands
Cameras
Lenses
Illumination Sources
Magnifying & Task Lamps
Loupes & Magnifiers
Microscopes
Video Inspection Systems
Optoelectronics
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Optoelectronics Accessories
Specialty
Bezels Display
Numeric Display Modules
Graphic Display Modules
LED Display Modules
Matrix LED Display Modules
VFD Modules
LCD Monitor Controller Board
Electroluminescent
Fiber Optic Attenuators
Receivers
Fiber Optics Multiplexers
Transceiver Modules
Discrete Transmitters
Drive Circuitry Integrated Transmitters
LED Emitters
Inverters
CCFL & UV
Neons Lamps
Laser Diodes
Laser Diodes Accessories
Discrete LED Indication
LED Lighting Parts
Color LED Lighting
White LED Lighting
LED Lighting Kits
LED Thermal Products
LED Indication
Lamp Replacements
Spacers & Standoffs
Optics Lenses
Light Pipes
Reflectors
Remote Phosphor Light Source
Panel Indicators
Touch Screen Overlays
Xenon Lighting
Potentiometers
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Potentionmeters Accessories
Adjustable Power Resistor
Potentiometers
Scale Dials
Slide Potentiometers
Thumbwheel Potentiometers
Trimmer Potentiometers
Value Display Potentiometers
Board Mount Power Supplies
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Board Mount AC DC Converters
Board Mount Accessories
Off-board DC DC Converters
Board Mount LED Drivers
Off-Board Power Supplies
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AC AC Wall Adapters
AC DC Configurable Power Supplies
AC DC Configurable Power Supply Chassis
AC DC Configurable Power Supply Modules
Off-board AC DC Converters
AC DC Adapters
Off-board Power Accessories
Board Mount DC DC Converters
Off-board LED Drivers
PoE
Prototype Boards & Breadboards
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3D Printers
3D Printing Accessories
3D Printing Filaments
Prototyping Accessories
Breakout Boards
Card Extenders
Repair
End Mills
Etching & Fabrication Equipment
Jumper Wire
PCB Routers
Perforated Prototype Boards
Unperforated Prototype Boards
Solderless Breadboards
Relays
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Relays Accessories
Automotive Relays
Electromechanical Contactors
Solid State Contactors
HF & RF Relays
I/O Relay Module Racks
I/O Relay Modules
Power Relays
Reed Relays
Relay Sockets
Safety Relays
Signal Relays
Solid State Relays
Resistors
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Resistor Accessories
Chassis Mount Resistors
Chip SMD Resistors
Resistor Arrays
Specialized Resistors
Through Hole Resistors
RF/IF & RFID
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Attenuators
Balun
RF Accessories
RF Amplifiers
RF Antennas
RF Demodulators
RF Detectors
RF Directional Coupler
RF Boards
RF Front End
RF Misc ICs and Modules
RF Mixers
RF Modulators
RF Multiplexers
RF Power Controller ICs
RF Power Dividers
RF Transmitter
RF Receivers
RF Shields
RF Switches
RF Transceiver ICs
RF Transceiver Modules
RF Transmitters
RFI & EMI Contacts
RFI & EMI Materials
RFID Accessories
RFID Antennas
RFID Boards
RFID Reader Modules
RFID Tags
RFID ICs
Sensors
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Sensors Accessories
Amplifiers
Camera Modules
Color Sensors
Current Sensors
Encoders
Float & Level Sensors
Flow Sensors
Force Sensors
Gas Sensors
Humidity Sensors
Image Sensors
IrDA Transceiver Modules
LVDT Transducers
Magnetic Compass Sensors Modules
Magnetic Linear Sensors ICs
Magnetic Position Sensors Modules
Magnetic Switches
Multi Purpose Magnets
Sensor Matched Magnets
Accelerometers
Gyroscopes
IMUs
Inclinometers
Optical Motion Sensors
Tilt Switch Sensors
Vibration Sensors
Multifunction
UV Sensors
Distance Measuring Sensors
CdS Cells
Logic Photo Detectors
Optical Sensors Remote Receiver
Photodiodes
Photoelectric Sensors
Logic Photointerrupters
Transistor Optical Sensors
Phototransistors
Analog Optical Sensors
Logic Optical Sensors
Dust Sensors
Angle & Linear Position Measuring Sensors
Transducers
Proximity Sensors
Occupancy Sensors
Sensor Cable Accessories
Sensor Cable Assemblies
Junction Blocks
Shock Sensors
Solar Cells
Specialized Sensors
Strain Gauges
Analog & Digital Sensors
NTC Thermistors
PTC Thermistors
RTD
Thermocouple Temperature Sensors
Mechanical Temperature Sensors
Solid State Thermostats
Touch Sensors
Ultrasonic Receivers
Soldering Supplies and Tools
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Soldering Accessories
Crystals Accessories (217)
Flux & Flux Remover
Smoke Extraction
Holders
Solder
Solder Tip Cleaners
Stencils Template Soldering
Soldering Irons & Tweezers
Rework Stations
Soldering & Desoldering
Static Control & ESD & Clean Room Products
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ESD Accessories
Clean Room Swabs and Brushes
Clean Room Treatments
Ionizer Equipment
Monitors and Testers
Static Control Clothing
Static Control Device Containers
Static Control Grounding Cords
Static Control Grounding Mats
Static Control Shielding Materials
Switches
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Switches Accessories
Switch Boots
Switch Caps
Cable Pull Switches
Configurable Switch Components
Configurable Contact Block
Configurable Illumination Source
Configurable Lens
DIP Switches
Disconnect Switch Components
Keylock Switches
Keypad Switches
Magnetic Reed Switches
Navigation Switches
Programmable Display Switches
Pushbutton Switches
Hall Pushbutton Switches
Rocker Switches
Rotary Switches
Selector Switches
Slide Switches
Snap Action Switches
Tactile Switches
Thumbwheel Switches
Toggle Switches
Tapes & Adhesives Materials
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2D Materials
Tapes Accessories
Films
Adhesives Materials
Tape
Tape Dispensers
Test & Measurement
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Measurement Accessories
Combination Sets
Electrical Testers
Environmental Testers
Function Generators
Multimeters
Oscilloscopes
Power Supplies
Specialty Equipment
Spectrum Analyzers
Variable Transformers
Alligator Clips
Test Hook Clips
IC Test Clips
Banana Test Leads
BNC Interface Test Leads
Special Test Leads
Test Leads Kits
Oscilloscope Test Probes
Temperature Probes
Test Points
Test Probe Tips
Thermometers
Tools
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Abrasives & Surface Conditioning Products
Tools Accessories
Assorted Tool Kits
Cleaners
Crimp Sets
Crimpers
Crimpers Accessories
Applicators & Dispensers
Bottles & Syringes
Tips & Nozzles
Tuning Tools
Fiber Optics & Accessories
Flashlights
Hammers
Heat Accessories
Hex & Torx Keys
Insertion & Extraction
Cutting Tools
PPE
Pliers
Blades
Punches
Screw & Nut Drivers
Screwdriver Bits
Screw & Nut Drivers Sets
Sockets Sets
Socket Handles
Specialized Tools
Spiral Wrap
Staking Tools
Tweezers
Vacuums
Vises
Wire Cutters
Wire Strippers & Accessories
Wire Tie Guns & Accessories
Wire Wrap Tool
Wrenches
Transformers
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Transformer Accessories
Audio Transformers
Current Sense Transformers
Isolation Transformers
Power Transformers
Pulse Transformers
Specialty Transformers
Switching Converter