The 1SMB5930 M4G with Zener Diodes SMB RoHS is a low voltage Zener diode, manufactured by Taiwan Semiconductor. It is designed for impedance and transient voltage suppression in electronic circuits. It is RoHS compliant, making it suitable for use in environmentally-friendly applications. It has a wide range of operating temperatures from -55°C to 150°C, storage temperatures from -55°C to 150°C, and maximum power dissipation of 500 mW. Its features include low noise, low leakage current, high stability, and excellent reverse breakdown and ESD protection. This device can be used for DC/DC converters, load switch and transient voltage suppressor applications.