Why should a power supply have a wide operating temperature range?
Depending on the application, a power supply with a wide operating temperature range may provide better reliability and a longer operating lifetime, prevent the need for a cooling fan or other special design consideration for thermal management, and reduce the overall cost of your system.
Why is thermal design important in a power supply?
Proper thermal design of the power supply will mitigate this risk, and supplies with wider operating temperatures ranges are likely to exhibit less temperature rise, resulting in lower touch temperatures for a given ambient operating temperature.
What does it mean if a power supply exceeds standard operating temperatures?
Exceeding standard operating temperatures means running your power supply when the ambient temperature falls outside the operating temperatures for which it is rated. Sometimes this happens — you can't predict every possible usage scenario, and you can’t always guarantee a stable environment.
How does temperature affect a power supply?
Chemical processes accelerate, and mechanical connections can even loosen. The longer a component is operated at high heat, the more elevated temperatures can reduce its lifespan. Reduce the power supply load: Power supplies typically have specified loads according to an ambient temperature range.
Do power supplies need to be housed outside?
Power supplies need to be housed outdoors, where the extreme heat of the summer and the extreme cold of the winter will both be present. Power supplies heat themselves up at different rates and intensities, and environmental influences will impact how quickly a power supply is exposed to high temperatures.
What is a good ambient temperature for a power supply?
Some applications may require ambient operating temperatures as low as -40 degrees Celsius and as high as +85 degrees Celsius, or an even wider range. A number of factors can influence the ambient temperature that a power supply is subjected to in a given application, including the following:
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How much heat can PSU tolerate? My ambient is 38C While Gaming at 144Fps in Apex Legends Gpu- 69C ( ͡° ͜ʖ ͡°) 1660auper Cpu- 58C with AIO Ryzen 3500 Vrm- 64.5C Asrock X570 PG4 Chipset- 64.5C x570 Game Drive (SSD)- 40-48C Bx500 PSU exhaust is moderately warm to touch. Maybe around 50C. Can keep th...
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