The ROHM UDZVTE-175.1B is a Zener Diode with a single 5.09V voltage and 200mW power dissipation rating. It is designed to provide a consistent voltage regulation with low noise, high efficiency, and excellent surge protection. It is used to control and protect the current from overloading and to provide voltage stabilization in switching power supplies, battery-operated circuits, threshold detection, telecommunication systems, and other applications where voltage regulation is required. It features fast-acting reverse bias avalanche characteristics, low forward voltage, and low inductance. This device has excellent thermal and electrical characteristics such as low reverse current and high forward current capacity. It is RoHS compliant.