The SMBJ11A with 18.2V 12.2V 11V SMB(DO-214AA) TVS ROHS is an unidirectional Transient Voltage suppressor (TVS) made by SemiWare. The device is intended to protect sensitive electronic components against voltage spikes caused by ESD, or electrical surge. It features a fast response clamped voltage of 18.2V, an Ipp rating of 12.2V, and a Vbrd rating of 11V. It is housed in a DO-214AA surface mount package and is compliant with the RoHS directive.