Failure Mechanisms Of Electromechanical Relays On PCBAs: Part I
Published: |
September 15, 2021 |
Author: |
Gert Vogel |
Abstract: |
Many printed circuit board assemblies (PCBAs) have relays that are soldered to the PCB. If such an electromechanical component fails, it can cause the whole device to fail, just like any other electronic component. The spectrum of root causes that lead to an increased contact resistance or a complete contact failure is totally different from what usually occurs in the electronics domain. This article provides a detailed analysis of these failures and the corresponding root causes, many of them self-centering.... |
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