The SMASF12A-Q1-H is a Transient Voltage Suppressor (TVS) Diode manufactured by FORMOSA MICROSEMI. This diode is designed to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. With a power dissipation rating of 400W and a reverse standoff voltage of 12V, the SMASF12A-Q1-H provides reliable overvoltage protection. It is housed in a compact SMA package, making it suitable for space-constrained applications. As an authorized distributor of FORMOSA MICROSEMI, Supreme Components International guarantees the authenticity and quality of this product. This TVS diode is commonly used in automotive, industrial, and consumer electronics to enhance system reliability and prevent damage from voltage surges.