MBR0520L MBR0520L, Rev. B is a low voltage, low power Schottky diode with a rated current of 0.5 A and a rated reverse voltage of 20 V. It has a low forward voltage of 385 mV and a thermal resistance of 150 °C/W. The diode is available in a SOD123 package and is suitable for a variety of applications, such as power and signal regulation.