![]() ![]() The standard provides the generic failure rates and three part stress factors: device quality factor (Q), electrical stress factor (S) and temperature stress factor (T). Method I is similar to the MIL-HDBK-217F parts count and part stress methods. ![]() The Bellcore/Telcordia standard assumes a serial model for electronic parts and it addresses failure rates at the infant mortality stage and at the steady-state stage with Methods I, II and III 2-3. The latest two updates are SR-332 Issue 1 (May 2001) and SR-332 Issue 2 (September 2006), both called 'Reliability Prediction Procedure for Electronic Equipment.' Telcordia continues to revise and update the standard. In 1997, the company was acquired by Science Applications International Corporation (SAIC) and the company's name was changed to Telcordia. ![]() Because of dissatisfaction with military handbook methods for their commercial products, Bellcore designed its own reliability prediction standard for commercial telecommunication products. Telcordia SR-332 prediction.īellcoreReliability Prediction and MTBFEnquiries: Tel: +44 (0)1782 479 230Telcordia SR-332 (formerly Bellcore)Bellcore was a telecommunications research and development company that provided joint R&D and standards setting for AT&T and its co-owners. ![]()
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