The MM3Z5V1-5 is a Zener diode of the SOD-323 package type, manufactured by SINO-IC Electronics. This component has a RoHS compliant, lead-free construction and is composed of an alloyed body with an 8-lead, 200 mil body width. It is specially designed to operate at a maximum Zener voltage of 5.1V at an electrical current of 3mA. It has a total power dissipation rating of 300mW and a maximum operating junction temperature of 175 °C. The MM3Z5V1-5 is suitable for use in various applications, such as surge protectors, overvoltage protectors, and other voltage regulation circuits.