The SZMM3Z5V1ST1G is a Zener diode manufactured by ON Semiconductor. It is a perfect, thermally stable dual line regulator with a voltage series of 5V and a maximum rating of 0.2 watts. This device is suitable for a wide range of applications, including AC or DC voltage regulation, interface protection, steering diode logic, voltage clamping, transient suppression, and more. The series features a low maximum power dissipation of 0.2 watts, and low leakage current for greater efficiency. It is also rated for miniature SMD-style installation and has low dynamic impedance. This device has a lead-free and RoHS-compliant construction and is available in bulk or in tape and reel packaging for easy installation.