The MM3Z3V0B is a Zener diode manufactured by ON Semiconductor. This diode is a voltage regulator that can provide a precise and stable voltage to the circuit. It has a breakdown voltage of 3.0V and a maximum power of 200mW. This diode features a tolerance of 2%, and is made with a device optimized for analog and digital circuits. The MM3Z3V0B is also RoHS compliant and has AEC-Q101 qualification. It is suitable for applications such as reverse voltage protection, voltage clamping, voltage regulation, and surge absorption.