The SMASF18A-H is a Transient Voltage Suppressor (TVS) Diode from FORMOSA MICROSEMI, designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). This diode features a standoff voltage of 18V and a peak pulse power dissipation of 400W. Its SMA (Surface Mount Assembly) package allows for easy integration into circuit boards. As an authorized distributor of FORMOSA MICROSEMI, Supreme Components International guarantees the authenticity and quality of the SMASF18A-H. This TVS diode is suitable for a wide range of applications, including telecommunications, industrial control, and consumer electronics, where reliable overvoltage protection is crucial.