MOSFETs already have a built-in counter-current diode. It comes out of how they're made -- they will conduct going the "other" way. The one thing to watch out for is super high voltage spikes; don't go over the rated voltage for the MOSFET!
MOSFETs already have a built-in counter-current diode. It comes out of how they're made -- they will conduct going the "other" way. The one thing to watch out for is super high voltage spikes; don't go over the rated voltage for the MOSFET!