What is Class 3

By Bester PCBA

Last Updated: 2023-10-16

Table of Contents

What is Class 3

Class 3 is a classification system used to categorize printed circuit boards based on their quality, performance, and reliability. These boards are designed and manufactured to meet stringent standards and requirements, making them suitable for critical applications in industries such as medical, military, aerospace, and automotive.

Class 3 PCBs perform reliably in demanding and harsh operational environments. These boards are specifically engineered to withstand extreme conditions and provide consistent performance on demand. This is particularly crucial in applications where the functionality of electronic devices is critical, such as medical equipment that needs to sustain human life or military equipment that operates in extreme environments.

To ensure the highest level of quality and functionality, Class 3 PCBs undergo a meticulous manufacturing process that includes a high level of precision and quality control. They are subject to more stringent standards and specifications compared to lower classes of PCBs. This means that Class 3 boards have tighter tolerances and higher quality components, resulting in a higher level of reliability and performance.

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