The SEZ52C5V1-5 is a Zener diode manufactured by SINO-IC and encapsulated in a SOD-523 (Surface-Mount, DO-213AC) plastic SMD package. It is a RoHS (Restriction of Hazardous Substances) compliant component, so it does not contain any hazardous materials. The SEZ52C5V1-5 has a breakdown voltage of 5.1 V with a rated power dissipation of 250 mW. The diode has a peak pulse current of 1.5 A and a reverse voltage of 5 V. This diode can be used to regulate voltage in a variety of electrical and electronic circuits.