The SMBJ33CA is a 53.3V 36.7V 33V Surface Mount Transient Voltage Suppressor (TVS) designed to protect sensitive electronic equipment from overvoltage transients caused by electrostatic discharge (ESD), inductive load switching, and cable lightning. It has a package type of SMB(DO-214AA), which is a 0.2 x 0.3 inch package, making it suitable for a wide range of applications. The SMBJ33CA is manufactured by SEMIWARE and is compliant with the RoHS directive.