The MMSZ18VCW is a Zener-Diode type of semiconductor manufactured by Yangjie with RoHS compliant. It is equipped with two SOD123G discrete devices, each with a voltage of 18 volts. It features useful properties such as low leakage current and tight voltage tolerance between Vz min and Vz max. Aside from that, it also provides high reliability, low thermal resistance, long lifetime, and low profile. Additionally, it is made out of high quality materials and has dimensions of 2.3 mm by 1.3 mm. This semiconductor provides an efficient environment to your electronic circuits and can be used for a variety of purposes such as voltage regulation, surge protection, and clamping.