The SM4F100A-MS-Q1-H is a high-performance Transient Voltage Suppressor (TVS) diode manufactured by FORMOSA MICROSEMI. This unidirectional TVS diode is specifically designed to protect sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. With a power dissipation of 400W and a standoff voltage of 100V, the SM4F100A-MS-Q1-H provides reliable overvoltage protection. Its DO-221AC package allows for easy surface mounting. As an authorized distributor of FORMOSA MICROSEMI components, Supreme Components International guarantees the authenticity and quality of this TVS diode. This component is suitable for automotive applications and other demanding environments requiring robust surge protection. Consider this TVS diode for safeguarding your circuits against damaging voltage spikes.