![Rick on Twitter: "Quick #electronics tip: You can use a p-channel mosfet and a resistor to add reverse polarity protection to a circuit if a diode doesn't work due to it's voltage Rick on Twitter: "Quick #electronics tip: You can use a p-channel mosfet and a resistor to add reverse polarity protection to a circuit if a diode doesn't work due to it's voltage](https://pbs.twimg.com/media/FawyeNyXgAAxCko.png)
Rick on Twitter: "Quick #electronics tip: You can use a p-channel mosfet and a resistor to add reverse polarity protection to a circuit if a diode doesn't work due to it's voltage
![Need help in understanding the mosfet reverse polarity protection circuit - Electrical Engineering Stack Exchange Need help in understanding the mosfet reverse polarity protection circuit - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/1f9zr.png)
Need help in understanding the mosfet reverse polarity protection circuit - Electrical Engineering Stack Exchange
![flyback - P-Channel MOSFET reverse polarity protection on NMOS array chip - Electrical Engineering Stack Exchange flyback - P-Channel MOSFET reverse polarity protection on NMOS array chip - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/pOu37.png)