All Major Reliability Prediction Standards

Lambda Predict supports the major reliability prediction standards and makes it possible to mix and match components analyzed with different standards when applicable.*

Depending on your license, the following prediction standards may be available:

Enhanced in Version 10!

MIL-HDBK-217F

Reliability Prediction of Electronic Equipment (MIL-HDBK-217F), issued by the US Department of Defense in December, 1991. This standard provides reliability prediction models for electronic components in commercial and military applications.

Support for Both Part Stress and Parts Count Analyses

In addition to providing full support for the MIL-217 Part Stress calculation method, the software also includes a library database with nearly 3,000 components that can be used to quickly create a MIL-217 Parts Count prediction. This analysis approach may be applicable during bid proposals and early design phases when sufficient information is not available to use other methodologies.

Ability to Define Custom Connections

The software supports the connection types specified in the MIL HDBK standard (e.g., Reflow Solder, Spring Contact, etc.) and also allows you to define your own custom connection types, if applicable. 

Non-Operational Failure Rates

Lambda Predict provides an optional tool (based on a technical report produced by the US Air Force, RADC-TR-85-91) that can be used to predict the non-operational failure rates of components. 

Bellcore/Telcordia

The Bellcore/Telcordia standards (Reliability Prediction Procedure for Electronic Equipment) provide reliability prediction models for electronic components in commercial applications. Lambda Predict supports four versions of the standard, including:

These standards provide a choice of three methods for calculating the steady-state failure rate. Method I (also known as the Black Box method) uses the generic failure rates defined by the Bellcore/Telcordia standards and the pi factors. Method II allows you to supplement the black box calculations with real data that you've obtained from testing, while Method III considers real data obtained from an identical or similar item operating in the field.

FIDES

The FIDES Guide 2009 (UTE-C 80811) was updated in 2009 by a consortium of leading French international aeronautical and defense companies, under the supervision of the DGA (Délégation Générale pour l'Armenent - French Ministry of Defense). It offers a reliability prediction methodology based on physics of failure, and provides failure rate models for electrical, electronic and electromagnetic components, as well as for commercial-off-the-shelf (COTS) board assemblies.

Lambda Predict provides full support for defining different operating phases (life profile). The software also guides you through the pi factor assessments recommended by the standard and makes it easy to reuse supplier/process evaluations when applicable. 

Enhanced in Version 10!

NSWC Mechanical

The Handbook of Reliability Prediction Procedures for Mechanical Equipment, issued by the Naval Surface Warfare Center, provides reliability prediction models for mechanical components, such as seals, springs, pumps, valves, brakes and more. Now in Version 10, Lambda Predict supports both the NSWC-07 (published in 2007) and NSWC-11 (updated in 2011) versions of the standard. 

 

DISCLAIMER: The Lambda Predict software is intended to facilitate the widely used methods that are described in published reliability prediction standards. The software was not developed in cooperation with or endorsed by the organizations that developed and published these standards. ReliaSoft has validated the software against the standards themselves but any issues with the methods described within a standard should be directed to the publishing organization so the feedback may be considered in a future update to the guideline.

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