The 1SMB5937B is a Zener diode manufactured by LGE under the SMB RoHS (Restriction of Hazardous Substances) standards. This Zener diode is 2-terminal device, and it has a reverse voltage breakdown rating of 37 volts. With a maximum power dissipation of 500mW, this device is typically used for applications such as voltage regulation, overvoltage clamping, and reverse biasing. Additionally, its low operating current makes it suitable for a wide range of applications. This Zener diode is RoHS certified, meaning that all hazardous substances such as lead, mercury, and cadmium have been restricted.