Presentation on theme: "The Reliable Power Supply – an Oxymoron? Can a power supply actually be reliable? Is there such a thing as a Million Hour Power Supply? Can you just specify."— Presentation transcript:
The Reliable Power Supply – an Oxymoron? Can a power supply actually be reliable? Is there such a thing as a Million Hour Power Supply? Can you just specify the reliability and get it? Picking a good supplier is important, but is it enough? How about MTBF calcs? --stress analysis? – ---What kind of testing?
In Search of Dependable Power Pick a good supplier Specify the important stuff Trust but Verify Measure Field performance
You want a Good Power Supply? No matter whether OEM or Custom: Check out your supplier!
Important Specifications Field MTBF Life Expectancy Require Failure Analysis of returned units MTBF Calculation?
Supplier check list – ISO certification; Quality Manual – Design (review and test) – Manufacturing (FA and CA process) – Material control (AVL) – Effective QUALITY Management – Reliability reporting and feedback
Picking a good Supplier Youre going to have problems: make sure you pick one that you can deal with – Accessibility of responsible personnel – Receptive attitude – Dialog Make sure he understands that Failure Analysis is not the same as Repair
Proof of the Pudding Dont expect the Field to take care of itself – Real-time field tracking exposes problems as they happen Design problems Revision incompatibility Customer specific Supplier process problems
Field Data Tracking HP NonStop Tracking Databases
How Good is Good? Range from 300,000 to 1.6 Million hours
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