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Littelfuse Electronics Design Guides

 

UPDATED! Electrostatic Discharge (ESD) Suppression Design Guide

Choosing the most appropriate suppressor technology requires a balance between equipment protection needs and operating requirements, taking into account the anticipated threat level. In addition to the electrical characteristics of suppression devices, the form factor/package style must also be considered. This guide is designed to summarize some of the comprehensive ESD solutions that Littelfuse offers, and help designers narrow to technologies appropriate to their end application… Read More

NEW! Surface Mount Multilayer Varistors (MLVs) Design Guide

Littelfuse Multilayer Varistors (MLA, AUML, MHS, MLA AUTO, MLE, and MLN) are used to suppress high transient voltage and protect circuits. Littelfuse, an industry leader in circuit protection, offers a variety of multilayer varistors constructed with high-quality materials. Multilayer Transient Surge Suppressors was specifically designed to suppress the destructive transient voltages. The most common transient condition results from large inductive energy discharges… Read More

UPDATED! High Surge Current Varistors Design Guide for Automotive AUMOV® Varistor & LV UltraMOV™ Varistor Series

The AUMOV® Varistor Series is designed for circuit protection in low voltage (12VDC, 24VDC and 42VDC) automotive systems. This series is available in five disc sizes with radial leads with a choice of epoxy or phenolic coatings. The Automotive MOV Varistor is AEC-Q200 (Table 10) compliant. It offers robust load dump, jump start, and peak surge current ratings, as well as high energy absorption capabilities… Read More

Lighting Surge Protection Modules Design and Installation Guide

LED lighting is increasingly replacing legacy light sources (mercury vapor, metal halide and sodium vapor) in outdoor applications as a result of technological revolutions in LED efficiency (higher lumens per watt), secondary optics (better lenses/reflectors), and greater thermal dissipation. However, the initial cost of installing outdoor LED lighting can be substantial; this cost is justified and payback is established based on the lower wattage demand, lower maintenance cost, and longer lifetime it offers. In order to protect outdoor LED lighting from failing… Read More

Light-Emitting Diode (LED) Design Guide

The first LED lamps were introduced in the late 1990s. Since then, the unit costs have been steadily declining by double-digit percentages, making LED lighting technology viable for commercial, industrial and outdoor lighting applications. In addition, large strides have been made in improving the efficiency, lumen output and performance of LED lights. The global LED lighting market is estimated to be $16B in 2012 and expected to reach nearly $40B by 2014. The US market CAGR for commercial and outdoor LED lighting alone is expected to grow 26-30% through 2016… Read More

Electrostatic Discharge (ESD) Protection Design Guide

Choosing the most appropriate suppressor technology requires a balance between equipment protection needs and operating requirements, taking into account the anticipated threat level. In addition to the electrical characteristics of suppression devices, the form factor/package style must also be considered. This guide is designed to summarize some of the comprehensive ESD solutions that Littelfuse offers, and help designers narrow to technologies appropriate to their end application… Read More

Ethernet Protection Design Guide

This guide was developed to help electronics designers navigate the consideration factors and selection of appropriate circuit protection components for Ethernet-equipped applications. This document describes categories of Ethernet (including PoE – Power over Ethernet), and presents example circuits, applicable standards, and recommended components… Read More

Design Engineer’s Guide to Circuit Protection for Critical Applications

Send a text message. Check the appointment calendar on your smartphone. Use the onboard GPS in your car to find your next destination. Flip the switch to turn on your outdoor LED lighting. Don’t think these devices are critical applications? Try living without them. In our daily lives, we’re increasingly dependent upon electronics technologies. Failure is not an option… Read More

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