Woman typing on a laptop silver computer

eCatalogs

Find circuit protection, power management, and electrical safety solutions for automotive, industrial, datacenter,

Automotive and Commercial Vehicle Products
Automotive Passenger Catalog from Littelfuse

North America Automotive Aftermarket Catalog

Replacement automotive parts from the original equipment manufacturer

View PDF

International Automotive Aftermarket Catalog

Use this catalog to find replacement automotive fuses, relays, solenoids, connectors that Littelfuse sells in EU countries

View PDF
eCat_Auto_Passenger Catalog Cover

Passenger Car Catalog

Find and order automotive circuit protection products and electronic components Littelfuse makes for passenger cars, EVs, and hybrid vehicles

View PDF
Electronics Products

Power Semiconductor and IC Selection Guide

See our comprehensive portfolio of power semiconductor & integrated circuit technologies in industry standard & innovative packages.

View PDF
circuit_protection_thumbnail image

Circuit Protection Product Selection Guide

Use this guide when selecting Littelfuse circuit protection solutions such as fuses, varistors, GDTs, thyristors, and ESD suppressors

View PDF
Littelfuse_Sensing_Products_Selection_Guide_Cover

Sensing Products Selection Guide

Consult the tables in this guide to find the most appropriate sensing solutions for your applications. Details on Littelfuse products are included

View PDF
integrated_circuits_thumbnail_image

Integrated Circuits Selection Guide

Find solid state relays, IGBTs, MOSFETs, optocouplers, programmable capacitors, gate drivers, and LED drivers made by IXYS and sold by Littelfuse

View PDF
Datacenter_selection_guide_cover_thumbnail

Datacenter Selection Guide

Find and order power semiconductor, circuit protection, switching, control, and sensing solutions for data centers, computers, and telecom equipment

View PDF
dms-fuse13

Fuse & Accessories Selection Guide

Use this guide to simplify selecting overcurrent and short circuit protection solutions by fuse shape, size, current rating, and interrupting rating

View PDF
dms-led14_catalog_cover

LED Lighting SPD Design & Installation Guide

Learn how to protect LED lights and outdoor signage from damaging voltage and current surges caused by lightning strikes

View PDF
fuseology_guide_cover_thumbnail

Fuseology Design Guide

Consult this guide when you want to select the correct fuses for any application based on size, certifications, and electrical characteristics.

View PDF
Industrial Products
eCat_Protection_Relays_Cover

Protection Relays & Controls Catalog

Find solutions for protecting and controlling electrical equipment used in marine, mining, petrochemical, and general industrial applications

View PDF
POWR-Gard-Catalog

POWR-Gard Catalog

Consult this guide to learn about circuit protection considerations and the solutions Littelfuse offers. Tables help match products with applications.

View PDF
Relays & Controls Literature
Protection Relays and Controls Catalogs

Protection Relays and Controls Catalogs

Find solutions for protecting and controlling electrical equipment used in marine, mining, petrochemical, and general industrial applications

View PDF
Industrial Product Portfolio from Littelfuse as a downloadable PDF

Industrial Product Brochure

Electronics Littelfuse makes for industrial applications include fuses and holders, protection relays, temperature sensors, switches, and SPDs

View PDF
Industrial-Product-Selection-Guide

Industrial Product Selection Guide

Our comprehensive Industrial Product Selection Guide features 225+ Relay Product Series. Color-coded and organized by product categories, this guide makes it easier to find the right product for your application.

View PDF
Littelfuse Capabilities brochure

Littelfuse Capabilities Brochure

When you choose Littelfuse, you’re not just choosing a broad and deep product portfolio, unparalleled engineering expertise, and excellent customer service. Download the corporate capabilities brochure to learn more.