IEC 61709 PDF

IEC Edition INTERNATIONAL. STANDARD. NORME. INTERNATIONALE. Electric components – Reliability – Reference conditions for . Purchase your copy of BS EN as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. EXAR is a Windows software suite for. PCs to calculate failure rates. EN/IEC or MIL-HDBKF can optionally be used as the basis of this calculation for.

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There is work to update the standard to the G revision and is making progress. It may take some work. How do you make your reliability predictions? The problem is more fundamental that accurate models of intrinsic physics of failures of components.

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Worldwide Standards We can source any standard from anywhere in the world. You are being specifically asked for MTBF for a new product. Please download Chrome or 617709 or view our browser tips. Click to learn more. You may experience issues viewing this site in Internet Explorer 9, 10 or Using a current physical of failure model may require some thinking, additional data and a bit of research.

The standard still uses failure rates and modifications as the structure. Most electronics do not fail.


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In the meantime, do not use Mil Hdbk as it is sorely out of date. So, why the article on predicting MTBF? It is worth it? Your email address will not be published. If so, then use the best technology available. The only way this could be shown to be true is by having many electronic companies disclose the actual causes of most of their failures in the early years of use. Because of the lack of distributed knowledge on causes of real warranty failures the belief and decades long delusion that the rates of failures of electronics with no moving parts can be predicted.

We need to make decisions today about design and assembly decisions that may impact product performance 20 years in the future.

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You have recently published that basing decisions on assumed averages will provide wrong answers and I certainly agree. Yes, it takes work In order to predict the future, the best way is to wait and measure it.


And this is the continuing dilemma, no electronics manufacturer or design company will ever release the actual causes or rates of failures that their products have seen in the field without a 61790 order.

Accurate and useful predictions cannot be done for most causes of early life failures in electronics and we must educate those that still believe it can be and keep asking for MTBF predictions. Leave a Reply Cancel reply Your email address will not be published. Instead most are turned off because the replaced by something much more capable with more features or benefits. More models and it includes some of the how and why to apply, including assumptions.

Sorry, your blog cannot share posts by iev. Predicting MTBF or creating an estimate is often requested by your customer or organization. Take the smart route to manage medical device compliance.

Fred you make some very good points, especially about the inaccuracies and invalidity of Mil handbook book and its progeny. Reference conditions for failure rates and stress models for conversion.

BS EN 61709:2017

The IEC Rev 2. Good stuff in this document. While not a full textbook, it make a major step forward.