The ZGFM1091B-MST-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. This diode is designed to protect sensitive electronic circuits from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). It features a power dissipation of 1000W and comes in a DO-214AA (SMB) package, making it suitable for automated assembly. The unidirectional configuration ensures optimal protection for DC circuits. This TVS diode is ideal for use in automotive, industrial, and consumer electronics applications where reliable overvoltage protection is critical. Its robust design and high surge capability make it a dependable choice for safeguarding valuable equipment.