The SMASF43A-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 peak pulse power dissipation of 400W and a reverse standoff voltage of 43V. 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 this product. The SMASF43A-H is suitable for a wide range of applications, including telecommunications, industrial control, and consumer electronics. Choose this TVS diode for robust and reliable overvoltage protection.