SolutionsThe BZT52C13S is a surface-mountable Zener diode in a SOD-323 RoHS package, manufactured by SMC Diode Solutions. It is a single diode designed for biasing, shunt regulation, and voltage stabilization. It has a low power dissipation of 150mW and can handle a 5.6V zener voltage. It has a maximum operating temperature of up to 150 degrees Celsius and it is lead free, halogen-free, and complies with RoHS regulations.