The MMSZ4702T1G is a 400 mW, 1.2 voltage doublers Zener diode from ON Semiconductor. It is designed for use in applications such as logic protection, ESD protection and over-voltage protection. The diode has a maximum operating temperature of +150°C with a reverse breakdown voltage (Vz) of 7.5 volts. Its maximum power dissipation is 400 mW and its forward voltage (Vf) is typically 1.2 volts at a forward current of 100mA. The diode’s capacitance is 2.0pF at 0V.