ectThe SMBJ18A is a Transient Voltage Suppressor (TVS) device that is constructed out of a state-of-the-art, low-filtration planar technology that offers excellent performance and low cumulative deviation. The packaged device is constructed in a DO-214AA RoHS-compliant package and is designed to protect sensitive electronic circuits from transients induced by lightning and other transient voltage events. It is manufactured by Yenjiect and comes in various lead forms to accommodate both through-hole and surface mount applications. It can be used in applications such as data lines, industrial instrumentation, telecommunications, and consumer electronics. Additionally, it is said to provide superior performance in EMC environments and features a low capacitance, and high surge capabilities.