The SM4F28A-MS-Q1-H is a robust TVS (Transient Voltage Suppressor) Diode manufactured by FORMOSA MICROSEMI. As an authorized distributor, Supreme Components International guarantees the authenticity and quality of this component. This diode is specifically designed to protect sensitive electronic circuits from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. Featuring a power dissipation of 400W and a standoff voltage of 28V, the SM4F28A-MS-Q1-H effectively clamps transient voltages to safe levels, preventing damage to downstream components. Its DO-221AC package allows for efficient heat dissipation and easy integration into various circuit designs. This TVS diode is suitable for automotive, industrial, and consumer electronics applications where reliable overvoltage protection is crucial. Choose Supreme Components International for your FORMOSA MICROSEMI components.