The SMBJ28A-Q1-H is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Formosa Microsemi. Supreme Components International is an authorised distributor of Formosa Microsemi components, ensuring you receive genuine and reliable parts. This TVS diode is designed to protect sensitive electronic circuits from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). It features a standoff voltage of 28V and a peak pulse power dissipation of 600W. The SMBJ28A-Q1-H is housed in a compact SMB (DO-214AA) package, making it suitable for space-constrained applications. Its unidirectional configuration provides protection against positive polarity transients. Applications include automotive, industrial, and consumer electronics where robust overvoltage protection is required. Choose Supreme Components International for your TVS diode needs.