Select a skilled Materials to make a Thick Film Power ResistorHardware by Nancy Bell - April 22, 2019June 12, 20190 In thick film power resistor design material selection is essential so that the resistor can both dissipate the right amount of heat and retain a reliable resistance after a while. Important issues to think about in thick film resistor design include:Resistor toleranceTemperature coefficient of resistanceResistance driftPower ratingFrequently