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Automotive Sensor Products
Battery Management
Battery Mini-Breakers
Custom Sensors
DC Power Distribution Modules
DC Solenoids and Relays
Discrete Diodes
Discrete IGBTs
Discrete Thyristors
Fusible Switches and Panels
Fuse Blocks Fuseholders and Fuse Accessories
Fuses
Gas Discharge Tubes
Ignition IGBTs
LED Protectors
Magnetic Sensors and Reed Switches
New Products
Other Products and Accessories
Polymer ESD Suppressors
PolyZen Devices
Power Semiconductors
Protection Relays and Controls
PolySwitch Resettable PPTCs
Shock Block GFCI
SIDACtor Protection Thyristors
Silicon Carbide
Surge Protection Modules and Devices
Switches
Temperature Sensors
TVS Diode Arrays
TVS Diodes
Varistors
Products
Automotive Sensors
Automotive Sensors
Littelfuse Automotive Sensor Products offer a wide range of sensors for use in monitoring various vehicular functions in the areas of passenger safety, comfort and convenience plus vehicle powertrain, chassis and emission applications.
Chassis
Comfort and Convenience
Emissions
Passenger Safety
Powertrain
xEV Sensors
Battery Management
Battery Management
Littelfuse battery management devices provide methods of conserving battery power, protecting against over-discharge, combining and protecting auxiliary equipment such as liftgate motors.
Battery Combiners
Battery Isolators
Electrical Battery Disconnect Switches
FlexMod Electronic Modules
Low Voltage Disconnects
Battery mini-Breakers (Thermal Cutoff Devices)
Battery mini-Breakers (Thermal Cutoff Devices)
Littelfuse battery mini-Breakers provide battery cell protection for high-capacity Lithium Polymer and prismatic cells.
Metal Hybrid Protection
Capacitors
Capacitors
Capacitors boosts the current and increases the power factor to an electrical motor.
Motor Hard Start Capacitors
Motor Run Capacitors
Contactors
Contactors
Contactors act as an on / off switch controlled by thermostats, pushbuttons and manual interfaces.
Auxiliary Switches for Contactors
Definite Purpose Contactors
Current Sensing Resistors
DC Power Distribution Modules
DC Power Distribution Modules
Feature multiple electrical power outputs, acceptance of many fuses, fuse types & relays.
Auto & Commercial Vehicle Fuse Holders
Configurable PDM
Fuse Only PDM
Hard Wired PDM
Power Distribution Accessories
POWR-BLOK Modular Power Distribution
Unsealed PDM
DC Solenoids and Relays
DC Solenoids and Relays
Bi-Stable Latching Relays
CAN Controllers and Plug In Relays
Mechanical Relays
Plug In Relays
Solid State Relays
Specialty Relays
Standard High Current Relays
Time Delay and High Power Relays
High Voltage DC Contactors Relays
DC Vehicle Connectors
DC Vehicle Connectors
Electrical sockets, plugs and coils used for connection of a truck and trailer on commercial vehicles or caravans for 12 and 24V systems.
13-Pole Sockets and Plugs
15-Pole Sockets and Plugs
15-Pole Spiral Coils
2-Pole - 3-Pole Sockets and Plugs
7-Pole Sockets and Plugs
7-Pole Spiral Coils
ABS - EBS Sockets and Plugs
ABS - EBS Spiral Coils
Connector Accessories
Greycon Connectors
EMC Components
EMC Components
Common Mode Noise Filters (CMF) attenuate common mode noise in differential and balanced transmission, and power supply and audio lines.
Common Mode Noise Filters
Common Mode Filters with ESD Protection
Electronic Switches, Connectors, and Harnesses
Fuse Block, Fuse Holder and Fuse Accessories
Fuse Block Fuse Holder and Fuse Accessories
Littelfuse offers a comprehensive line of fuse blocks, fuse holders, and fuse accessories for automotive, electronic, and electrical markets.
Auto & Commercial Vehicle Fuse Holders
Bodies, Caps, Covers and Terminals
Box Cover Units
Dead Front Fuse Holders
Electrical Power Distribution Blocks
Fuse Blocks
Fuse Clips
Fuse Modules
Fuse Pullers
Fuse Reducers
Fuse Holder
Inline Watertight Fuse Holders
POWR-GARD Fuse Blocks
Specialty Items
Telcom Disconnect Switches
POWR BLOK Modular Power Distribution
Fuses
Fuses
Littelfuse manufactures the broadest and most innovative selection of fuses.
AEC-Q200 Qualified Fuses
Automotive Aftermarket Products
Automotive Passenger Car
Axial Radial Thru Hole Fuses
Hazardous Area Type Fuses
Industrial Power and UL Fuses
Medium Voltage Fuses
Cartridge Fuses
Military High Reliability Fuses
Specialty Power Fuses
Surface Mount Fuses
Fusible Switches and Panels
Fusible Switches and Panels
Provide a complete, one-piece solution for easy procurement and code compliance.
LCP Series
LPS Series
XPress-Ship Program
Gas Discharge Tubes
Gas Discharge Tubes
Dissipate high voltage transients through a contained plasma gas with high surge capability, low capacitance and small size.
High Voltage GDT
Low to Medium Surge GDT
Medium to High Surge GDT
Squared GDT
Very High Surge GDT
Integrated Circuits
Magnetic Sensors and Reed Switches
Magnetic Sensors and Reed Switches
Magnetic sensing products utilizing Reed and Hall Effect technologies, with custom solutions available.
Custom Sensors
Hall Effect Sensors
Magnetic Actuators
Reed Relays
Reed Sensors
Reed Switches
Magnetics
Magnetics
Transformers change one AC voltage to another by magnetic induction.
Transformers
New Products
Other Products and Accessories
Other Products and Accessories
Accessories
BusBars and Terminal Blocks
Circuit Breakers
Connectors
Knobs and Nuts
Pilots, Lamps and Alarms
Power Distribution
Speciality Items
Terminals and Contacts
Tracto-Trailer and Auto-RV Connectors
Wiring Accessories
Polymer ESD Suppressors
Polymer ESD Suppressors
Low capacitance polymer base product for protecting high speed data circuit from ESD damage and maintaining data integrity.
PESD Protection Devices
PULSE-GUARD® ESD Suppressors
XTREME-GUARD™ ESD Suppressors
Power Semiconductors
Power Semiconductors
High reliability power semiconductors utilize the latest technology.
AC Bridge Rectifiers
Bare Die
Breakover Diodes
Ignition IGBTs
IXYS Power Semiconductors
and ICs
Diode Modules
Discrete IGBTs
Discrete MOSFETs
Discrete Thyristors
Thyristor Modules
Diode Modules
High Power
IGBT Modules
MOSFET Modules
Thyristor-Diode Modules
Discrete Diodes
Fast Diodes and Schottky Products
Silicon Carbide
Stacks, Subsystems, and Assemblies
Protection IC
Protection IC
eFuse
Load Switch
Protection Relays and Controls
Protection Relays and Controls
A full range of Protection Relays and Controls for the harshest environments.
Accessories
Alternating Relays
Arc Flash Detection
Covers and Mounting Adapters
Feeder Protection
Ground Fault Relays
Flashers and Tower Lighting Controls
Industrial Products
Intrinsically Safe Relays
Motor and Pump Protection
Pump Controls and Liquid Level Controls
Relay Current Transformers
Relay Software
Resistance Grounding
Retrofit Kits
Single Function Relays
Time Delay Relays
Trailing Cable Protection
Voltage Monitoring Relays
PolySwitch Resettable PPTC Fuses
PolySwitch Resettable PPTC Fuses
Resettable Overcurrent Protection devices with various options: Surface Mount, Radial Leaded, Strap and Low Resistance.
Battery Strap
Bladed Devices
Line Voltage Rated Devices
Low Resistance
Radial Leaded
Surface Mount
TD and Chip
Telecom
Semiconductors
Semiconductors
Power Semiconductors
IXYS Power Semiconductors and ICs
Silicon Carbide
Ignition IGBTs
Discrete Thyristors
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LED Protectors
PLED
PLED 5 QFN
PLED 5HT SOT 89
PLED6M
View All
SIDACtor® Protection Thyristors
Baseband Voice DS1 Protection