The MMSZ5259BS-H is a high-quality Zener diode manufactured by FORMOSA MICROSEMI. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI components. This single Zener diode is designed for voltage regulation and protection applications. It has a Zener voltage of 39V with a tolerance of ±5% and a power dissipation of 500mW. The diode is housed in a compact SOD-323 package, making it suitable for surface mount technology (SMT). Its robust design ensures reliable performance in a wide range of operating conditions. The MMSZ5259BS-H is commonly used in circuits requiring stable voltage references, surge protection, and voltage clamping. Its small size and excellent electrical characteristics make it a versatile component for modern electronic designs.