The SMBJ18CA with TVS SMB (DO-214AA) RoHS is a surface-mount diode manufactured by Yenji. It is designed to protect sensitive components from high levels of transient voltage, and has a peak pulse power rating of 600W. It has a maximum working voltage rating of 18V and is made of a flame retardant Thermoplastic material. It is RoHS compliant and has an operating temperature range of -55°C to 150°C. This diode is suitable for a variety of applications, such as automotive, telecom, data, power management, and consumer electronics.