Littelfuse offers innovative circuit protection solutions. Wherever one looks, Littelfuse is there. Streetlights, office buildings, cars, trucks, factories, computers, heating and cooling systems, electronic games, telecommunications equipment, even the satellites in the sky are protected by Littelfuse circuit protection products.
-
Integrated Circuits (ICs)
- Audio Special Purpose ICs (1494)
- Clock/Timing ICs (63123)
- Data Acquisition/Data Convert ICs (32020)
- Digital Potentiometers ICs (6551)
- Embedded Processors & Controllers (144388)
- Interface ICs (57471)
- Linear Class ICs (47845)
- Logic ICs (70374)
- Memory (58206)
- Other Specialized ICs (8110)
- Power Management ICs (238866)
- Wireless & RF Integrated Circuits (35117)
- Discrete Semiconductor
-
Circuit Protection
- Accessories (1567)
- Circuit Breakers (31893)
- Disconnect Switch Components (637)
- Electrical, Specialty Fuses (10756)
- Fuseholders (4730)
- Fuses (19409)
- Gas Discharge Tube Arresters (GDT) (2953)
- Ground Fault Circuit Interrupter (GFCI) (141)
- Inrush Current Limiters (ICL) (908)
- Lighting Protection (158)
- PTC Resettable Fuses (3532)
- Surge Suppression ICs (378)
- Thermal Cutoffs (Thermal Fuses) (97)
- TVS Diodes (72678)
-
Capacitors
- Accessories (236)
- Aluminum - Polymer Capacitors (6449)
- Aluminum Electrolytic Capacitors (115481)
- Capacitor Networks, Arrays (2190)
- Ceramic Capacitors (571038)
- Electric Double Layer Capacitors (EDLC), Supercapacitors (2171)
- Film Capacitors (77894)
- Mica and PTFE Capacitors (9099)
- Niobium Oxide Capacitors (331)
- Silicon Capacitors (207)
- Tantalum - Polymer Capacitors (9020)
- Tantalum Capacitors (92949)
- Thin Film Capacitors (3460)
- Trimmers, Variable Capacitors (2230)
-
Resistors
- Accessories (192)
- Chassis Mount Resistors (23018)
- Chip Resistor - Surface Mount (772321)
- Resistor Networks, Arrays (33659)
- Specialized Resistors (650)
- Through Hole Resistors (505906)
-
Potentiometers, Variable Resistors
- Accessories (71)
- Adjustable Power Resistor (611)
- Joystick Potentiometers (378)
- Rotary Potentiometers, Rheostats (5116)
- Scale Dials (54)
- Slide Potentiometers (555)
- Thumbwheel Potentiometers (352)
- Trimmer Potentiometers (12145)
- Value Display Potentiometers (25)
-
Transformers,Coils,Magnetics
- Inductors, Coils, Chokes (88942)
- Transformers (9768)
- Magnetics - Transformer, Inductor Components (2558)
- Isolators
-
Crystals, Oscillators, Resonators
- Crystals (32605)
- Oscillators (245177)
- Pin Configurable/Selectable Oscillators (468)
- Programmable Oscillators (18395)
- Resonators (767)
- Sockets and Insulators (155)
- Stand Alone Programmers (26)
- VCOs (Voltage Controlled Oscillators) (328)
-
Connectors, Interconnects
- Backplane Connectors (41529)
- Banana and Tip Connectors (1340)
- Barrel (1974)
- Between Series Adapters (441)
- Blade Type Power Connectors (2866)
- Card Edge Connectors (174984)
- Circular Connectors (571030)
- Coaxial Connectors (RF) (12751)
- Contacts (1925)
- Contacts, Spring Loaded and Pressure (365)
- D-Sub Connectors (52096)
- FFC, FPC (Flat Flexible) Connectors (9774)
- Fiber Optic Connectors (3580)
- Heavy Duty Connectors (14204)
- Keystone (1290)
- LGH Connectors (378)
- Memory Connectors (4079)
- Modular Connectors (13761)
- Photovoltaic (Solar Panel) Connectors (370)
- Pluggable Connectors Accessories (603)
- Power Entry Connectors (8282)
- Rectangular Connectors (483478)
- Shunts, Jumpers (624)
- Sockets for ICs, Transistors (11554)
- Solid State Lighting Connectors (1083)
- Terminal Blocks (143677)
- Terminal Junction Systems (1749)
- Terminal Strips and Turret Boards (506)
- Terminals (28239)
- USB, DVI, HDMI Connectors (2519)
- More Product Categories
