Reliability Terminology

Posted on 24 Oct 2017
Failure rate is defined as the percentage of units failing per unit time. This varies throughout the
life of the equipment and if λ is plotted against time, a characteristic bathtub curve is
obtained for most electronic equipment.

Robust 650 W supply meets MIL-STD-810F and ANSI/ISA standards for demanding applications

Posted on 26 Jul 2016
The HHP650 series of rugged AC-DC power supplies are designed for heavy-use industrial applications where an electrically & mechanically robust solution is required.

Cooling Power Supplies

Posted on 13 Aug 2015
Power supplies generate waste heat which has to be dissipated. They typically have either convection cooled or forced cooled ratings or, in some cases, both. Forced cooled power supplies may incorporate a cooling fan, or may specify the user cooling required to operate the unit at maximum load and ambient temperature.

Factors That Affect Power Supply Reliability

Posted on 21 Jul 2015
The most important factor is good, careful design based on sound experience, resulting in known safety margins. Unfortunately, this does not show up in any predictions, since they assume a perfect design.
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