The 3SMB5919B is a 5.6V Zener diode manufactured by LGE. It has a 3W rating and a 2O resistance at 3V and 5uA. It is compliant with RoHS and meets safety regulations. It is suitable for use in a wide variety of applications, including power supplies, industrial equipment, and automotive electronics. The diode has an impressive operating temperature range between -65°C and 175°C, making it suitable for use in harsh environments. The 3SMB5919B features a SMB package, making it suitable for tight spaces.