The SMBJ54A-H is a high-performance Transient Voltage Suppressor (TVS) diode manufactured by Formosa Microsemi. Supreme Components International, an authorised distributor, provides this component for various circuit protection applications. This diode is specifically designed to protect sensitive electronic devices from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). With a reverse standoff voltage of 54V and a breakdown voltage of 87.1V, the SMBJ54A-H offers excellent clamping capabilities. Its SMB package allows for easy surface mounting on printed circuit boards. This TVS diode is crucial for ensuring the reliability and longevity of electronic equipment in demanding environments. It meets industry standards for surge protection and provides a cost-effective solution for safeguarding valuable circuits.