Hi,
We have a 4kW PFC we are doing. (100-265VAC, +/-180V)
The input is a Boost PFC...it has 4.3mF of output capacitance.
We want to inrush into it through a resistor, then short out the resistor with a relay.
We want the resistor to be 20 Ohms. Whats the smallest 20r resistor we can use for...