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Daily Archives: 25-September-2014
I often have to model the rise of passive component temperatures with respect to some circuit parameter, like current or voltage. I thought I would present here a typical example of how the temperature of a passive part varies with current. In this case, I am feeding a constant current into the coil and I need to know what temperature rise I should expect with this component. I usually model component temperatures using two curves: a linear curve for low current levels, and a quadratic curve for high current levels. This model has worked reasonably well over the years. Continue reading