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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(800)

Resistors

Specialized Resistors(8)

Inductors, Coils, Chokes

Fixed Inductors(61)

Potentiometers, Variable Resistors

Accessories(1)

Scale Dials(6)

Rotary Potentiometers, Rheostats(20)

Battery Products

Accessories(42)

Optoelectronics

Accessories(69)

Panel Indicators, Pilot Lights(94)

Circuit Protection

Fuses(9715)

Fuseholders(1799)

TVS - Varistors, MOVs(6474)

Gas Discharge Tube Arresters (GDT)(881)

Circuit Breakers(168)

TVS - Diodes(9243)

Accessories(577)

Thermal Cutoffs (Thermal Fuses and Breakers)(43)

TVS - Thyristors(1461)

Ground Fault Circuit Interrupter (GFCI)(16)

TVS - Mixed Technology(166)

PTC Resettable Fuses(1265)

Inrush Current Limiters (ICL)(42)

Lighting Protection(55)

Electrical, Specialty Fuses(5237)

TVS - Surge Protection Devices (SPDs)(227)

Audio Products

Alarms, Buzzers, and Sirens(6)

Transformers

Current Sense Transformers(35)

Motors, Actuators, Solenoids and Drivers

Motor Driver Boards, Modules(1)

Relays

Accessories(16)

Solid State Relays(15)

Relay Sockets(16)

Power Relays, Over 2 Amps(115)

Automotive Relays(22)

Reed Relays(114)

Contactors (Electromechanical)(86)

Safety Relays(12)

Switches

Disconnect Switch Components(34)

Accessories(75)

Magnetic, Reed Switches(610)

Rocker Switches(164)

Keylock Switches(98)

Limit Switches(59)

Pushbutton Switches(225)

Rotary Switches(12)

Toggle Switches(181)

Selector Switches(287)

Accessories - Caps(19)

Accessories - Boots, Seals(11)

Cable Pull Switches(1)

Fans, Thermal Management

Adhesives, Epoxies, Greases, Pastes(2)

Tools

Wrenches(1)

Discrete Semiconductor Products

Thyristors - DIACs, SIDACs(4)

Transistors - FETs, MOSFETs - Single(1)

Transistors - IGBTs - Single(2)

Diodes - Rectifiers - Single(135)

Thyristors - SCRs(12)

Diodes - Rectifiers - Arrays(113)

Transistors - IGBTs - Modules(42)

Thyristors - TRIACs(58)

Connectors, Interconnects

Wire Splice Connectors(7)

Terminal Strips and Turret Boards(20)

Accessories(36)

Circular Connector Housings(5)

Circular Connector Accessories(41)

Circular Connector Contacts(21)

Specialized Connectors(23)

Barrier Blocks(35)

Circular Connector Adapters(14)

Spade Connectors(1)

Quick Connects, Quick Disconnect Connectors(16)

Ring Connectors(4)

Power Distribution(179)

Circular Connector Assemblies(304)

Coaxial Connector (RF) Assemblies(1)

Cable Assemblies

Circular Cable Assemblies(52)

Rectangular Cable Assemblies(1)

Cables, Wires

Multiple Conductor Cables(5)

Cables, Wires - Management

Cable Supports and Fasteners(1)

Sensors, Transducers

Temperature Sensors - NTC Thermistors(936)

Accessories(7)

Magnets - Multi Purpose(13)

Temperature Sensors - Thermocouples, Temperature Probes(1)

Temperature Sensors - Analog and Digital Output(1)

Flow Sensors(2)

Float, Level Sensors(100)

Current Sensors(2)

Shock Sensors(7)

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

Position Sensors - Angle, Linear Position Measuring(9)

Temperature Sensors - PTC Thermistors(9)

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

Magnetic Sensors - Switches (Solid State)(6)

Magnets - Sensor Matched(18)

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

Hardware, Fasteners, Accessories

Knobs(65)

Accessories(7)

Washers(1)

Nuts(9)

Miscellaneous(2)

DIN Rail Channel(1)

Boxes, Enclosures, Racks

Boxes(10)

Racks(2)

Rack Accessories(1)

Test and Measurement

Equipment - Specialty(1)

Kits

Connector Kits(2)

Miscellaneous(1)

Sensor Kits(2)

Cable Assemblies(1)

Circuit Protection - Assortment Kits(6)

Circuit Protection Kits - Fuse(145)

Circuit Protection Kits - TVS Diodes(13)

Integrated Circuits (ICs)

Power Distribution Switches, Load Drivers(12)

Current Regulation/Management(5)

Lighting, Ballast Controllers(3)

Development Boards, Kits, Programmers

Evaluation and Demonstration Boards and Kits(7)

Industrial Automation and Controls

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)

Time Delay Relays(541)

Line Protection, Distribution, Backups

Power Distribution, Surge Protectors(4)

Filters

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

Common Mode Chokes(61)

Networking Solutions

Miscellaneous(4)

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