I am currently working on a circuit to deal with the high inrush current of high value capacitors.
I'm calling this a 'capacitor adder' as the rest of the circuit (output load) is already powered while the caps are slowly charged over a current limiting resistor. The resistor is then shunted by a relay when the capacitors are (almost) fully charged.
My question is concerning the wattage of the power resistor as the simulator shows power consumption of over 11 watts but in a short burst of about 1.1 seconds until it lowers to 1 watt. Does this mean only a resistor rated over 11 watts is suitable? I'm thinking because of the short time frame this will not give the resistor time to warm up and so maybe a 5w wire-wound resistor may be suitable.
Any other improvement I could make?
Thank you ESE community!