Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

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

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Original Message:

Posted by: Xiangping,Wu (7815@notesmail.huawei.com.cn )
Organization:Huawei Tech.Ltd.,China
Date posted: Mon Jan 3 3:14:14 US/Eastern 2000
Subject: Reliability Prediction
Message:
I did a reliability prediction several days before.This system consists of about 10~15 PCBs,and there are average 500 components on each PCB.I used 217F and Bellcore respectively.MTBFs are 5800h and 40000h.Is that reasonable? After that,I saw a reference about similar system of other company(a famous company).In that reference,they claim their system'MTBF is 1000 years(failure rate is 111 fits).Oh my god!Is that possible?Or am I wrong?

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