The 1SMA5920BT3G is a discrete semiconductor component manufactured by ON Semiconductor. It is a zener diode with a voltage rating of 16V and a power rating of 1.5W. This component is designed to provide voltage regulation and protection in a wide range of electronic applications. The 1SMA5920BT3G offers a high surge capability and low leakage current, making it suitable for use in transient voltage suppression, voltage clamping, and voltage reference circuits. It is packaged in a SMA package, which is easy to mount and suitable for high-density board designs. Overall, the 1SMA5920BT3G is a reliable and efficient solution for managing voltage levels in electronic systems