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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

Chip Resistor - Surface Mount(201)

Specialized Resistors(8)

Inductors, Coils, Chokes

Fixed Inductors(61)

Potentiometers, Variable Resistors

Accessories(1)

Scale Dials(6)

Rotary Potentiometers, Rheostats(20)

Battery Products

Accessories(61)

Battery Product Accessories(12)

Optoelectronics

Panel Indicators, Pilot Lights(95)

Accessories(69)

Optoelectronics Accessories(10)

Circuit Protection

Transient Voltage Suppressors (TVS)(24)

Surge Protection Devices (SPDs)(135)

Thermal Cutoffs (Thermal Fuses and Breakers)(55)

Electrical, Specialty Fuses(5753)

Fuses(11602)

TVS - Diodes(9950)

TVS - Thyristors(2070)

Ground Fault Circuit Interrupter (GFCI)(30)

TVS - Surge Protection Devices (SPDs)(227)

TVS - Varistors, MOVs(7855)

Inrush Current Limiters (ICL)(43)

Fuseholders(2419)

Lighting Protection(55)

Gas Discharge Tube Arresters (GDT)(1201)

PTC Resettable Fuses(2016)

TVS - Mixed Technology(312)

Varistors, MOVs(4601)

Varistors, MOVs(1134)

Circuit Breakers(252)

Thermal Cutoffs (Thermal Fuses)(37)

Accessories(842)

Circuit Protection Accessories(367)

Thyristors(1264)

TVS Diodes(7010)

Mixed Technology(200)

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)

Automotive Relays(24)

Solid State Relays(15)

Safety Relays(12)

Relay Sockets(16)

Accessories(16)

Reed Relays(114)

Power Relays, Over 2 Amps(118)

Solid State Relays (SSR)(32)

Switches

Accessories - Caps(20)

Rocker Switches(164)

Rotary Switches(12)

Pushbutton Switches(244)

Keylock Switches(98)

Magnetic, Reed Switches(612)

Disconnect Switch Components(40)

Limit Switches(66)

Accessories - Boots, Seals(12)

Toggle Switches(188)

Selector Switches(423)

Cable Pull Switches(1)

Accessories(93)

Fans, Thermal Management

Adhesives, Epoxies, Greases, Pastes(2)

Tools

Wrenches(1)

Discrete Semiconductor Products

Diodes - Rectifiers - Arrays(114)

Thyristors - SCRs - Modules(1)

Transistors - FETs, MOSFETs - Single(12)

Transistors - IGBTs - Modules(48)

Thyristors - SCRs(1133)

Thyristors - TRIACs(1483)

Diodes - Zener - Single(1)

Diodes - Rectifiers - Single(143)

Transistors - IGBTs - Single(46)

Diode Arrays(78)

Single Zener Diodes(1)

Single FETs, MOSFETs(46)

SCRs - Modules(1)

Single IGBTs(16)

IGBT Modules(27)

Thyristors - DIACs, SIDACs(246)

DIACs, SIDACs(180)

Single Diodes(97)

TRIACs(1048)

SCRs(651)

Connectors, Interconnects

Quick Connects, Quick Disconnect Connectors(20)

Circular Connector Contacts(39)

Spade Connectors(1)

Ring Connectors(4)

Circular Connector Housings(10)

Specialized Connectors(23)

Blade Type Power Connector Contacts(2)

Power Distribution(179)

Terminal Strips and Turret Boards(20)

Barrier Blocks(35)

Accessories(36)

Circular Connector Assemblies(567)

Circular Connector Accessories(63)

Coaxial Connector (RF) Assemblies(1)

Power Entry Connector Accessories(1)

Circular Connector Adapters(28)

Wire Splice Connectors(7)

Cable Assemblies

Rectangular Cable Assemblies(3)

Specialized Cable Assemblies(16)

Circular Cable Assemblies(107)

Cables, Wires

Multiple Conductor Cables(28)

Cables, Wires - Management

Cable Supports and Fasteners(22)

Cable and Cord Grips(1)

Sensors, Transducers

Temperature Sensors - Thermocouples, Temperature Probes(1)

Magnetic Sensors - Switches (Solid State)(6)

Float, Level Sensors(100)

Temperature Sensors - NTC Thermistors(936)

Temperature Sensors - Analog and Digital Output(1)

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

Position Sensors - Angle, Linear Position Measuring(9)

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

Accessories(7)

Flow Sensors(2)

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

Current Sensors(2)

Magnets - Multi Purpose(13)

Temperature Sensors - PTC Thermistors(9)

Shock Sensors(7)

Sensor, Transducer Accessories(6)

Switches (Solid State)(1)

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

Position, Proximity, Speed (Modules)(1925)

Multi Purpose Magnets(7)

RTD (Resistance Temperature Detector)(21)

Magnets - Sensor Matched(18)

PTC Thermistors(7)

Thermocouples, Temperature Probes(1)

Sensor Matched Magnets(14)

NTC Thermistors(392)

Angle, Linear Position Measuring(5)

Analog and Digital Output(1)

Hardware, Fasteners, Accessories

Washers(1)

Accessories(7)

Miscellaneous(2)

Nuts(9)

DIN Rail Channel(1)

Knobs(65)

Boxes, Enclosures, Racks

Rack Accessories(1)

Racks(2)

Boxes(10)

Storage(1)

Test and Measurement

Equipment - Specialty(1)

Specialty Equipment(1)

Kits

Miscellaneous(1)

Sensor Kits(2)

Circuit Protection Kits - Fuse(145)

Connector Kits(2)

Circuit Protection Kits - TVS Diodes(13)

Cable Assemblies(1)

Circuit Protection - Assortment Kits(6)

Integrated Circuits (ICs)

Power Distribution Switches, Load Drivers(13)

Lighting, Ballast Controllers(3)

OR Controllers, Ideal Diodes(1)

Gate Drivers(4)

Telecom(1)

Current Regulation/Management(5)

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)

Controllers - Accessories(3)

Protection Relays & Systems(398)

Controllers - Process, Temperature(1)

Monitor - Relay Output(237)

Specialized(15)

Industrial Automation Accessories(153)

Process, Temperature(1)

Liquid, Level(48)

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

Accessories(246)

Controller Accessories(1)

Relay Output Monitors(170)

Current/Voltage Transducer Monitors(5)

Industrial Specialized(3)

Monitor - Current/Voltage Transducer(7)

Controllers - Liquid, Level(62)

Line Protection, Distribution, Backups

Power Distribution, Surge Protectors(4)

Filters

Common Mode Chokes(62)

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

Isolators

Transistor, Photovoltaic Output Optoisolators(1)

Isolators - Gate Drivers(1)

Networking Solutions

Miscellaneous(4)

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