Fred Schenkelberg, a reliability expert and consultant at Accendo Reliability, dives into the critical practice of derating in electronic design. He discusses how derating enhances product reliability by ensuring components can handle unexpected stresses. The conversation highlights methods to effectively implement derating, the impact of vibration in high-frequency systems like 5G, and contrasts derating strategies in electrical versus mechanical engineering. Schenkelberg stresses the importance of engineering judgment and thorough documentation to prevent failures.
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Learning Derating at Hewlett-Packard
Fred Schenkelberg first learned about derating at Hewlett-Packard, where it was formalized and widely used.
He taught derating across HP, helping different teams understand its importance and application trade-offs.
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Why Derating Adds Margin
Derating provides a margin to handle variations like temperature and voltage, increasing component robustness.
Without margin, transient shocks may cause failures in critical components, reducing reliability.
volunteer_activism ADVICE
Encourage Team Derating Practices
Promote derating practices within design teams to improve reliability and extend product life.
Encourage discussions on derating as it usually is straightforward and greatly reduces warranty costs.
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This one is for those involved with the design of electronics. Clustering a few standard components is a standard way to bring functionality to your product, yet considering how those components may fail is important to create a robust and reliability product.
Derating is the method of selecting components with sufficient rating to withstand variations in stress(es) they may experience. Let's explore why derating is important, the difference it can make, and a few methods to implement derating with your design team.
This Accendo Reliability webinar was originally broadcast on 13 May 2025.
Accendo Reliability Webinar Series 
