Cold Increases Service Life The Influence of the Operating Temperature on the Service Life and Reliability of Switching Power Supplies By Dipl.-Ing. (FH) Stefan Bergstein, Product Manager of EMTRON electronic GmbH-Bodo´s Power Systems

Cold Increases Service Life The Influence of the Operating Temperature on the Service Life and Reliability of Switching Power Supplies By Dipl.-Ing. (FH) Stefan Bergstein, Product Manager of EMTRON electronic GmbH-Bodo´s Power Systems

 The question of whether to use a transformer power supply or a switch-mode power supply is no longer dicussed today. In addition to superior technical properties, switched-mode power supplies impress with low costs, low weight and little space requirement. Certain requirements such as PFC (Power Factor Correction > 0.9 and sinusoidal mains current) can only be met with switched-mode power supplies. The question remains, what are the greatest influences on the service life and reliability of a switched-mode power supply?

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