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Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

Topic Posted by: Reliability & Maintainability Forum ( )
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998

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Posted by: Mats C
Date posted: Thu Aug 12 10:53:30 US/Eastern 2004
Subject: reliability prediction software market
Hi all, What softwares are on the market for prediction MTBF ?, I am only interested to use for electronics circuits with component librarys ? thanks in advance Mats

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Subject: MTBF and reliability prediction
Reply Posted by: Larry George ( )
Organization: Problem Solving Tools
Date Posted: Fri Sep 3 11:40:06 US/Eastern 2004
I concur with Bob Valerius' recommendation, so I linked a free, open-source MIL-HDBK-217F Excel workbook to It's not competitive with commercial software, because its library is incomplete, its includes only the parts count method, and some MIL-HDBK-217 fudge factors have been implemented. I recommend "Credible Reliability Prediction" if you want to predict reliability, P[Life > t], not just MTBF, for interesting t values such as: 0, warranty, inspection and PM times, and useful life. It's available from

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