The SMB3EZ36D5 is a surface mount Zener Diode manufactured by DOWO. It has a low-profile type SMB, which stands for Surface Mounted Zener, a type of diode that is most often used for regulating voltage. The diode is built with a glass-passivated junction, and features reliable performance over a wide temperature range of -65 to +175?. It is RoHS compliant, meaning it is free from hazardous materials such as lead and mercury. The total average power dissipation rating is 500mW and the junction temperature is rated at 175°C. The SMB3EZ36D5 is suitable for general purpose applications, and is widely used in consumer electronics, industrial equipment, automotive, and various other fields.