Solutions.The SMBJ58A is a surface mount Transient Voltage Suppressor (TVS) Diode manufactured by SMC Diode Solutions. This diode is a DO-214AA (SMB) package and is compliant with the RoHS Directive for lead-free products. The device is designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and other electrical surges. It is unidirectional with a standoff voltage of 58V, a peak pulse power rating of 600W, and a maximum reverse breakdown voltage of 93.6V and 64.4V respectively.