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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(788)

Resistors

Chip Resistor - Surface Mount(201)

Specialized Resistors(4)

Inductors, Coils, Chokes

Fixed Inductors(16)

Potentiometers, Variable Resistors

Scale Dials(1)

Rotary Potentiometers, Rheostats(11)

Accessories(1)

Battery Products

Battery Product Accessories(5)

Accessories(53)

Optoelectronics

Optoelectronics Accessories(5)

Accessories(69)

Panel Indicators, Pilot Lights(78)

Circuit Protection

Transient Voltage Suppressors (TVS)(24)

Mixed Technology(14)

Circuit Protection Accessories(84)

Fuseholders(1212)

Thermal Cutoffs (Thermal Fuses and Breakers)(55)

Circuit Breakers(200)

Inrush Current Limiters (ICL)(15)

Ground Fault Circuit Interrupter (GFCI)(19)

PTC Resettable Fuses(998)

TVS - Varistors, MOVs(7855)

Fuses(5034)

Accessories(837)

TVS - Thyristors(2070)

TVS - Surge Protection Devices (SPDs)(227)

Surge Protection Devices (SPDs)(50)

Varistors, MOVs(1134)

TVS - Diodes(9949)

TVS - Mixed Technology(312)

Gas Discharge Tube Arresters (GDT)(505)

Lighting Protection(31)

Electrical, Specialty Fuses(2477)

Thyristors(112)

TVS Diodes(828)

Thermal Cutoffs (Thermal Fuses)(5)

Varistors, MOVs(221)

Audio Products

Alarms, Buzzers, and Sirens(6)

Transformers

Current Sense Transformers(11)

Motors, Actuators, Solenoids and Drivers

Motor Driver Boards, Modules(1)

Relays

Relay Sockets(9)

Solid State Relays(6)

Contactors (Electromechanical)(86)

Accessories(10)

Reed Relays(31)

Automotive Relays(17)

Safety Relays(4)

Solid State Relays (SSR)(32)

Power Relays, Over 2 Amps(97)

Switches

Rotary Switches(12)

Magnetic, Reed Switches(282)

Pushbutton Switches(215)

Selector Switches(285)

Limit Switches(52)

Accessories(66)

Keylock Switches(88)

Disconnect Switch Components(28)

Cable Pull Switches(1)

Rocker Switches(150)

Accessories - Caps(19)

Accessories - Boots, Seals(11)

Toggle Switches(174)

Discrete Semiconductor Products

Diode Arrays(7)

Single Diodes(11)

TRIACs(116)

Thyristors - SCRs(1133)

Thyristors - DIACs, SIDACs(246)

Diodes - Rectifiers - Single(143)

Single IGBTs(3)

IGBT Modules(2)

DIACs, SIDACs(11)

Transistors - IGBTs - Single(46)

Thyristors - TRIACs(1483)

Transistors - IGBTs - Modules(48)

Thyristors - SCRs - Modules(1)

Diodes - Rectifiers - Arrays(114)

Diodes - Zener - Single(1)

Transistors - FETs, MOSFETs - Single(12)

SCRs(119)

Single FETs, MOSFETs(42)

Connectors, Interconnects

Circular Connector Housings(5)

Terminal Strips and Turret Boards(20)

Circular Connector Accessories(41)

Specialized Connectors(14)

Ring Connectors(2)

Wire Splice Connectors(4)

Circular Connector Contacts(21)

Circular Connector Assemblies(304)

Blade Type Power Connector Contacts(2)

Power Entry Connector Accessories(1)

Quick Connects, Quick Disconnect Connectors(13)

Circular Connector Adapters(14)

Barrier Blocks(35)

Power Distribution(70)

Accessories(12)

Spade Connectors(1)

Cable Assemblies

Circular Cable Assemblies(56)

Rectangular Cable Assemblies(3)

Specialized Cable Assemblies(16)

Cables, Wires

Multiple Conductor Cables(23)

Cables, Wires - Management

Cable Supports and Fasteners(21)

Cable and Cord Grips(1)

Sensors, Transducers

Magnets - Multi Purpose(13)

Position Sensors - Angle, Linear Position Measuring(9)

Shock Sensors(3)

Temperature Sensors - Thermocouples, Temperature Probes(1)

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

Flow Sensors(1)

Temperature Sensors - NTC Thermistors(936)

Float, Level Sensors(40)

Analog and Digital Output(1)

Position, Proximity, Speed (Modules)(185)

Angle, Linear Position Measuring(2)

Switches (Solid State)(1)

Position, Proximity, Speed (Modules) - Industrial(12)

RTD (Resistance Temperature Detector)(4)

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

Temperature Sensors - PTC Thermistors(9)

Temperature Sensors - Analog and Digital Output(1)

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

Accessories(7)

Magnetic Sensors - Switches (Solid State)(6)

Magnets - Sensor Matched(18)

Current Sensors(2)

NTC Thermistors(53)

Sensor, Transducer Accessories(1)

Hardware, Fasteners, Accessories

Miscellaneous(1)

Knobs(59)

Accessories(1)

Washers(1)

Nuts(9)

Boxes, Enclosures, Racks

Rack Accessories(1)

Racks(1)

Boxes(9)

Test and Measurement

Equipment - Specialty(1)

Kits

Connector Kits(2)

Miscellaneous(1)

Circuit Protection Kits - TVS Diodes(11)

Circuit Protection Kits - Fuse(69)

Circuit Protection - Assortment Kits(4)

Integrated Circuits (ICs)

Telecom(1)

OR Controllers, Ideal Diodes(1)

Lighting, Ballast Controllers(2)

Power Distribution Switches, Load Drivers(7)

Gate Drivers(4)

Current Regulation/Management(5)

Development Boards, Kits, Programmers

Evaluation and Demonstration Boards and Kits(7)

Industrial Automation and Controls

Liquid, Level(1)

Relay Output Monitors(38)

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

Accessories(246)

Controllers - Process, Temperature(1)

Monitor - Current/Voltage Transducer(7)

Protection Relays & Systems(169)

Time Delay Relays(201)

Specialized(15)

Monitor - Relay Output(237)

Controllers - Accessories(3)

Controllers - Liquid, Level(62)

Industrial Automation Accessories(19)

Line Protection, Distribution, Backups

Power Distribution, Surge Protectors(4)

Filters

Common Mode Chokes(19)

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

Isolators

Transistor, Photovoltaic Output Optoisolators(1)

Isolators - Gate Drivers(1)

Networking Solutions

Miscellaneous(2)

Related Parts

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