The MMSZ5232BT1G is a two terminal Zener diode manufactured by ON Semiconductor. It has a dynamic Zener voltage of 5.6 volts and a power rating of 500 milliwatts. It features a glass passivated bipolar junction, which helps provide reliable operation. It also has a tight zener voltage tolerance of ±7%, allowing it to meet exacting circuit specifications. It is RoHS compliant and has very low reverse leakage current, making it a great choice for many applications.