The SM4F12CA-MS-Q1-H is a high-performance Transient Voltage Suppressor (TVS) Diode manufactured by Formosa Microsemi. Designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD), this diode offers a robust and reliable solution. With a power dissipation rating of 400W, it effectively clamps transient voltages to a safe level, preventing damage to downstream components. Its 12V standoff voltage makes it suitable for a wide range of applications. The SM4F12CA-MS-Q1-H comes in a compact DO-214AA (SMB) package, facilitating easy surface mount assembly. Supreme Components International is an authorized distributor of Formosa Microsemi, guaranteeing you receive genuine, high-quality components. Trust this TVS diode for superior circuit protection.