Littelfuse
Founded in 1927, Littelfuse has evolved to be the No.1 circuit protection brand in the world with well-established and growing platforms in power control and sensing technologies. Today, Littelfuse offers the industry’s most diverse and extensive portfolio of products including fuses, semiconductors, polymers, ceramics, relays, sensors and more, serving the electronics, automotive and industrial markets. Each is manufactured to exacting standards of quality and backed by an unwavering commitment to technical support and customer service.
Circuit Protection
- Circuit breaker accessories 7 items
- Circuit Breakers 14 items
- Circuit Protection Accessories 106 items
- Electrical, Specialty Fuses 3,037 items
- Fuseholders 1,898 items
- Fuses 9,944 items
- Gas Discharge Tube Arresters (GDT) 905 items
- PTC Resettable Fuses 1,408 items
- Surge Suppression ICs 1 items
- Thermal Cutoffs (Thermal Fuses) 44 items
- Transient Voltage Suppressors (TVS)
- Mixed Technology 119 items
- Surge Protection Devices (SPDs) 206 items
- Thyristors 956 items
- TVS Diodes 6,413 items
- Varistors, MOVs 5,491 items
Connectors, Interconnects
- Backplane Connectors
- Specialized Connectors 8 items
- Blade Type Power Connectors
- Circular Connectors
- Circular Connector Accessories 23 items
- Circular Connector Adapters 3 items
- Circular Connector Assemblies 165 items
- Circular Connector Contacts 12 items
- Circular Connector Housings 3 items
- Rectangular Connectors
- Rectangular Connector Contacts 1 items
- Terminal Blocks
- Barrier Blocks 8 items
- Headers, Plugs and Sockets 18 items
- Power Distribution 69 items
- Terminal Block Accessories 26 items
- Terminals
Discrete Semiconductors
- Diodes
- Bridge Rectifiers 21 items
- Rectifiers 165 items
- Zener 3 items
- Thyristors
- DIACs, SIDACs 165 items
- SCRs 813 items
- SCRs - Modules 1 items
- TRIACs 1,056 items
- Transistors
- FETs, MOSFETs 576 items
- IGBTs 25 items
Industrial Automation and Controls
- Industrial Sensors
Integrated Circuits (ICs)
- Power Management (PMIC)
- Battery Management 1 items
- Current Regulation/Management 5 items
- Gate Drivers 7 items
- Power Management - Specialized 1 items
Maintenance, Repair & Operations
- Cable Assemblies
- Circular Cable Assemblies 52 items
- Rectangular Cable Assemblies 4 items
- Specialized Cable Assemblies 9 items
- Cables, Wires
- Multiple Conductor Cables 16 items
- Cables, Wires - Management
- Cable Supports and Fasteners 10 items
- Circuit Protection
- Circuit Breakers 50 items
- Fuseholders 2 items
- Hardware, Fasteners, Accessories
- Nuts 1 items
- Industrial Automation and Controls
- Industrial Automation Accessories 67 items
- Sensors, Transducers
- Magnetic Sensors 110 items
- Switches
- Disconnect Switch Components 4 items
- Keylock Switches 3 items
- Limit Switches 3 items
- Pushbutton Switches 92 items
- Selector Switches 68 items
Passives
- Capacitors
- Aluminum Electrolytic Capacitors 10 items
- Capacitor Networks, Arrays 1 items
- Filters
- Common Mode Chokes 45 items
- Inductors, Coils, Chokes
- Fixed Inductors 33 items
- Potentiometers, Variable Resistors
- Rotary Potentiometers, Rheostats 11 items
- Trimmer Potentiometers 2 items
- Resistors
- Chip Resistor - Surface Mount 407 items
Relays
- Accessories 7 items
- Automotive Relays 10 items
- Power Relays, Over 2 Amps 88 items
- Reed Relays 55 items
- Relay Sockets 12 items
- Relays Accessories 1 items
- Safety Relays 7 items
- Solid State Relays (SSR) 28 items
Sensors, Transducers
- Current Sensors 1 items
- Float, Level Sensors 10 items
- Magnetic Sensors
- Linear, Compass (ICs) 25 items
- Position, Proximity, Speed (Modules) 102 items
- Switches (Solid State) 21 items
- Motion Sensors
- Vibration Sensors 1 items
- Position Sensors
- Angle, Linear Position Measuring 3 items
- Proximity Sensors 1 items
- Temperature Sensors
- Analog and Digital Output 2 items
- NTC Thermistors 331 items
- PTC Thermistors 4 items
Switches
- Accessories 30 items
- Accessories - Boots, Seals 8 items
- Accessories - Caps 11 items
- DIP Switches 1 items
- Keylock Switches 1 items
- Limit Switches 15 items
- Magnetic, Reed Switches 244 items
- Pushbutton Switches 27 items
- Rocker Switches 31 items
- Rotary Switches 4 items
- Selector Switches 94 items
- Slide Switches 4 items
- Tactile Switches 5 items
- Toggle Switches 100 items
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