The MMSZ5252BT1G is a discrete semiconductor component, specifically a Zener diode, manufactured by ON Semiconductor. It is a low-power, surface-mount device with a voltage rating of 15V and a power dissipation of 500mW. The key features of the MMSZ5252BT1G include its high reliability and stability, making it suitable for voltage regulation and protection in various electronic circuits. It has a low leakage current and a fast response time, making it ideal for applications such as voltage reference, voltage clamping, and surge protection. The compact SOD-123 package makes it easy to integrate into small circuit designs, and it is RoHS compliant for environmentally friendly manufacturing. Overall, the MMSZ5252BT1G is a versatile and reliable Zener diode for a wide range of electronic applications