The 3.0SMCJ33CA is a Transient Voltage Suppressor (TVS) manufactured by Lite-On. It is designed with a surface mount DO-214AB package, and is compliant with the Restriction of Hazardous Substances (RoHS) directive. The device is rated for an operating voltage range between 53.3V and 36.7V, and offers 33V of reverse voltage protection.