MTBF Prediction with fiXtress Rapid

A reliability prediction is usually based on established prediction models for predicting MTBF (Mean Time Between Failures).

Unlike standard Parts Count analysis, that uses a generic default for the stress applied to each component type, fiXtress calculates the MTBF in “Parts Stress” mode by automatically using the actual temperature and electrical stress (voltage, power, current) imposed on each component, which was previously calculated by the stress simulation module.

Components may not always operate under the parts count stress level. In such cases, the real operational conditions will result in different failure rates than those provided for parts count. In order to follow accurate design criteria, fiXtress uses actual temperature and actual electrical stress imposed on each component.

In this case the MTBF and service life will help plan the warranty time and required spare parts more accurately.

The fiXtress Rapid is installed with one prediction method.

The following MTBF prediction industry standard methods are implemented in fiXtress:


Standard Category
 MIL-HDBK-217  US Military (MIL-HDBK-217F N2) & MIL-HDBK-217G
 Telcordia (SR-332)  Telecom products, Steady state  (Version 3)
 IEC-62380  Industrial Level especially for Telecom, France CNET (Version 2009)
 HDBK GJB299  Developed by China (Version B)
 Siemens SN-29500  For Industrial (Version 2009)
 FIDES  Developed by FIDES Group used for Aerospace (Version 2009)