Littelfuse

Discover how Littelfuse is at the forefront of electrical safety and efficiency, providing essential circuit protection solutions across various industries.

Integrated Circuits (ICs)

571239 items

Audio Special Purpose (1505)

Clock/Timing (50097)

Embedded (130229)

Interface (51675)

Linear (44892)

Logic (61900)

Power Management (PMIC) (228339)

Specialized ICs (2602)

Discrete Semiconductor Products

247908 items

Diodes (154564)

Power Driver Modules (1292)

Thyristors (2546)

Transistors (89506)

RF and Wireless

15950 items

RF Misc ICs and Modules (3292)

RF Transceiver ICs (4612)

RF Transceiver Modules and Modems (7314)

RFID Transponders, Tags (732)

Circuit Protection

324370 items

Circuit Breakers (119514)

Electrical, Specialty Fuses (19287)

Fuseholders (6514)

Fuses (25148)

Gas Discharge Tube Arresters (GDT) (4226)

Ground Fault Circuit Interrupter (GFCI) (810)

Inrush Current Limiters (ICL) (1296)

Lighting Protection (80)

PTC Resettable Fuses (5860)

Surge Suppression Ics (565)

Thermal Cutoffs (Thermal Fuses) (427)

Transient Voltage Suppressors (TVS) (117982)

Varistors (16238)

Automotive Fuses (6423)

Isolators

20466 items

Isolators - Gate Drivers (3249)

Optoisolators (17109)

Special Purpose Isolators (108)

Sensors, Transducers

55505 items

Current Sensors (3775)

Float, Level Sensors (1292)

Flow Sensors (599)

IrDA Transceiver Modules (154)

Magnetic Sensors (9899)

Magnets (2026)

Motion Sensors (3492)

Angle, Linear Position Measuring (5936)

Proximity Sensors (3573)

Shock Sensors (67)

Solar Cells (506)

Temperature Sensors (24186)

Optoelectronics

41927 items

Optomechanical (489)

Panel Indicators, Pilot Lights (41438)

Relays

68293 items

Automotive Relays (2119)

Contactors (Electromechanical) (12604)

Power Relays, Over 2 Amps (28312)

Reed Relays (1701)

Relay Sockets (2227)

Safety Relays (1410)

Signal Relays, Up to 2 Amps (9042)

Solid State Relays (10878)

Transformers

16596 items

Current Sense Transformers (1445)

Power Transformers (7193)

Pulse Transformers (7958)

Capacitors

166697 items

Aluminum Electrolytic Capacitors (131351)

Capacitor Networks, Arrays (2334)

Disposable fuses (13886)

Resettable Fuses (19126)

Resistors

1061709 items

Chip Resistor - Surface Mount (1060854)

Specialized Resistors (855)

Connectors, Interconnects

3020964 items

Blade Type Power Connectors (4176)

Connector Accessories (3409)

Circular Connectors (2582207)

Coaxial Connectors (RF) (42207)

Contacts (3378)

D-Sub, D-Shaped Connectors (138097)

Terminal Blocks (207928)

Terminal Strips and Turret Boards (502)

Terminals (39060)

Switches

456401 items

Configurable Switch Components (22863)

Disconnect Switch Components (2560)

Keylock Switches (20052)

Limit Switches (28765)

Magnetic, Reed Switches (1319)

Pushbutton Switches (230302)

Rocker Switches (54451)

Rotary Switches (14155)

Selector Switches (30830)

Tactile Switches (13896)

Toggle Switches (37208)

Inductors, Coils, Chokes

182384 items

Fixed Inductors (182384)

Filters

11561 items

Common Mode Chokes (9271)

EMI/RFI Filters (LC, RC Networks) (2290)

Audio Products

5871 items

Alarms, Buzzers, and Sirens (5871)

Potentiometers, Variable Resistors

11332 items

Rotary Potentiometers, Rheostats (11219)

Scale Dials (113)

Power Supplies - Board Mount

293391 items

DC DC Converters (293391)

Uncategorized

157061 items

Unclassified (138989)

Hardware Fasteners (10494)

Educational Kits (7578)