Abstract
In many applications, the electronic component is not continuously but only intermittently overloaded (e.g., inrush current, short circuit, or discharging interference). With this paper, we provide insight into carbon resistors that have to hold out a rarely occurring transient overload. Using simple electrical circuit, the resistor is overheating with higher current than declared, and dissipation is observed by a thermal camera.
Highlights
The electronic designers must be sure that the correct device is chosen on the basis of both electrical and thermal performances
It is necessary to know the operating life of electronic components affected by temperature and voltage stress
Every electronic component requires dedicated approaches according to its specific functionality
Summary
The electronic designers must be sure that the correct device is chosen on the basis of both electrical and thermal performances. It is necessary to know the operating life of electronic components affected by temperature and voltage stress. Temperature measurement is not easy but is necessary since it is the only measurable parameter for the quality of the thermal design [1]. Resistors reduce the voltage or current signal passing through them. Typical values for this parameter are 1/16 W, 1/10 W, 1/8 W, 1/4 W, 1/2 W, 1 W, 2 W, 2.5 W, 3 W, or higher to 100 W or even 300 W. Given that energy is not the only restriction parameter, the temperature will increase faster reducing the size of the resistor because the power dissipation capability is directly proportional to size. A system that will reduce the temperature rise of electronic parts and equipment is necessary [2]
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