Industry White Paper

New Surge Protective Device Solves Circuit Protection Design Issues

September 15, 2021 by Bourns Download PDF

White Paper Overview

While there is no one-size-fits-all circuit protection solution for all applications, reliable and robust overvoltage protection remains a necessity in virtually any application that connects to a power line. Selecting the right protection solution is more difficult today because varying application requirements coupled with higher density and performance design goals often force designers to make compromises in finding a robust solution to meet an ever-evolving set of size, thermal and surge protection performance design goals.

Designers typically have specified Metal Oxide Varistors (MOVs) as the transient overvoltage solution of choice. Over the years, however, there have been quite a few documented instances of MOVs degrading over time from exposure to line voltage transients. To keep up with next-generation application requirements and help solve the problems associated with MOV-only design limitations, a new approach to circuit protection is needed.

This white paper introduces a breakthrough hybrid solution that provides an elevated level of surge protection in terms of performance, operational life and enhanced device reliability. This paper will highlight the innovative design and construction advantages achieved in a new Bourns® surge protective device (SPD) that offers an unprecedented range of protection capabilities.

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