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Littelfuse Inc.

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.

Battery Products

Uncategorized

Unclassified(801)

Uncategorized

Unclassified(800)

Resistors

Specialized Resistors(8)

Chip Resistor - Surface Mount(201)

Inductors, Coils, Chokes

Fixed Inductors(61)

Potentiometers, Variable Resistors

Rotary Potentiometers, Rheostats(20)

Accessories(1)

Scale Dials(6)

Battery Products

Accessories(61)

Battery Product Accessories(12)

Optoelectronics

Panel Indicators, Pilot Lights(95)

Accessories(69)

Optoelectronics Accessories(10)

Circuit Protection

TVS - Varistors, MOVs(7855)

PTC Resettable Fuses(2016)

TVS - Mixed Technology(312)

Ground Fault Circuit Interrupter (GFCI)(30)

Inrush Current Limiters (ICL)(43)

Lighting Protection(55)

Fuseholders(2419)

TVS - Surge Protection Devices (SPDs)(227)

Surge Protection Devices (SPDs)(135)

Circuit Protection Accessories(367)

Thyristors(1264)

TVS Diodes(7010)

Mixed Technology(200)

Thermal Cutoffs (Thermal Fuses)(37)

Varistors, MOVs(4601)

Varistors, MOVs(1134)

Fuses(11602)

Gas Discharge Tube Arresters (GDT)(1201)

TVS - Diodes(9950)

Accessories(842)

Thermal Cutoffs (Thermal Fuses and Breakers)(55)

TVS - Thyristors(2070)

Electrical, Specialty Fuses(5753)

Circuit Breakers(252)

Transient Voltage Suppressors (TVS)(24)

Audio Products

Alarms, Buzzers, and Sirens(8)

Transformers

Current Sense Transformers(35)

Motors, Actuators, Solenoids and Drivers

Motor Driver Boards, Modules(1)

Relays

Contactors (Electromechanical)(86)

Solid State Relays(15)

Power Relays, Over 2 Amps(118)

Automotive Relays(24)

Reed Relays(114)

Safety Relays(12)

Solid State Relays (SSR)(32)

Relay Sockets(16)

Accessories(16)

Switches

Rocker Switches(164)

Toggle Switches(188)

Keylock Switches(98)

Selector Switches(423)

Cable Pull Switches(1)

Accessories - Boots, Seals(12)

Pushbutton Switches(244)

Rotary Switches(12)

Accessories(93)

Limit Switches(66)

Accessories - Caps(20)

Magnetic, Reed Switches(612)

Disconnect Switch Components(40)

Fans, Thermal Management

Adhesives, Epoxies, Greases, Pastes(2)

Tools

Wrenches(1)

Discrete Semiconductor Products

Transistors - IGBTs - Modules(48)

Transistors - IGBTs - Single(46)

Transistors - FETs, MOSFETs - Single(12)

Diodes - Rectifiers - Single(143)

Thyristors - SCRs(1133)

Diodes - Rectifiers - Arrays(114)

Thyristors - TRIACs(1483)

Thyristors - SCRs - Modules(1)

Diodes - Zener - Single(1)

SCRs(651)

TRIACs(1048)

Single FETs, MOSFETs(46)

SCRs - Modules(1)

DIACs, SIDACs(180)

Thyristors - DIACs, SIDACs(246)

Diode Arrays(78)

Single Diodes(97)

Single Zener Diodes(1)

Single IGBTs(16)

IGBT Modules(27)

Connectors, Interconnects

Circular Connector Accessories(63)

Circular Connector Housings(10)

Barrier Blocks(35)

Wire Splice Connectors(7)

Circular Connector Assemblies(567)

Terminal Strips and Turret Boards(20)

Power Distribution(179)

Circular Connector Adapters(28)

Coaxial Connector (RF) Assemblies(1)

Circular Connector Contacts(39)

Blade Type Power Connector Contacts(2)

Spade Connectors(1)

Quick Connects, Quick Disconnect Connectors(20)

Ring Connectors(4)

Specialized Connectors(23)

Accessories(36)

Power Entry Connector Accessories(1)

Cable Assemblies

Circular Cable Assemblies(107)

Specialized Cable Assemblies(16)

Rectangular Cable Assemblies(3)

Cables, Wires

Multiple Conductor Cables(28)

Cables, Wires - Management

Cable and Cord Grips(1)

Cable Supports and Fasteners(22)

Sensors, Transducers

Current Sensors(2)

Temperature Sensors - Thermocouples, Temperature Probes(1)

Flow Sensors(2)

Magnets - Sensor Matched(18)

Position Sensors - Angle, Linear Position Measuring(9)

Shock Sensors(7)

Temperature Sensors - Analog and Digital Output(1)

Magnetic Sensors - Position, Proximity, Speed (Modules)(2754)

Magnets - Multi Purpose(13)

Magnetic Sensors - Position, Proximity, Speed (Modules) - Industrial(296)

Float, Level Sensors(100)

Magnetic Sensors - Switches (Solid State)(6)

Temperature Sensors - NTC Thermistors(936)

Temperature Sensors - PTC Thermistors(9)

NTC Thermistors(392)

Angle, Linear Position Measuring(5)

Analog and Digital Output(1)

Sensor, Transducer Accessories(6)

Switches (Solid State)(1)

Sensor Matched Magnets(14)

RTD (Resistance Temperature Detector)(21)

Multi Purpose Magnets(7)

Thermocouples, Temperature Probes(1)

Accessories(7)

Temperature Sensors - RTD (Resistance Temperature Detector)(45)

PTC Thermistors(7)

Position, Proximity, Speed (Modules) - Industrial(142)

Position, Proximity, Speed (Modules)(1925)

Hardware, Fasteners, Accessories

Nuts(9)

Washers(1)

Miscellaneous(2)

Knobs(65)

DIN Rail Channel(1)

Accessories(7)

Boxes, Enclosures, Racks

Storage(1)

Racks(2)

Rack Accessories(1)

Boxes(10)

Test and Measurement

Equipment - Specialty(1)

Specialty Equipment(1)

Kits

Sensor Kits(2)

Connector Kits(2)

Circuit Protection - Assortment Kits(6)

Cable Assemblies(1)

Circuit Protection Kits - TVS Diodes(13)

Miscellaneous(1)

Circuit Protection Kits - Fuse(145)

Integrated Circuits (ICs)

Telecom(1)

Lighting, Ballast Controllers(3)

Power Distribution Switches, Load Drivers(13)

Gate Drivers(4)

Current Regulation/Management(5)

OR Controllers, Ideal Diodes(1)

Development Boards, Kits, Programmers

Evaluation and Demonstration Boards and Kits(7)

Evaluation and Demonstration Boards and Kits(5)

Industrial Automation and Controls

Time Delay Relays(552)

Relay Output Monitors(170)

Industrial Specialized(3)

Liquid, Level(48)

Controller Accessories(1)

Current/Voltage Transducer Monitors(5)

Process, Temperature(1)

Accessories(246)

Controllers - Process, Temperature(1)

Specialized(15)

Controllers - Liquid, Level(62)

Monitor - Current/Voltage Transducer(7)

Protection Relays & Systems(398)

Monitor - Relay Output(237)

Controllers - Accessories(3)

Industrial Automation Accessories(153)

Position, Proximity, Speed (Modules) - Industrial(6)

Line Protection, Distribution, Backups

Power Distribution, Surge Protectors(4)

Filters

EMI/RFI Filters (LC, RC Networks)(1)

Common Mode Chokes(62)

Isolators

Isolators - Gate Drivers(1)

Transistor, Photovoltaic Output Optoisolators(1)

Networking Solutions

Miscellaneous(4)

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