The BZX84C3V9W-H Zener diode, manufactured by Formosa Microsemi, is a crucial component for voltage regulation and circuit protection. This surface mount diode features a Zener voltage of 3.9V and a power dissipation of 0.35W. Housed in a compact SOT-323 package, it's ideal for space-constrained applications. Supreme Components International is an authorised distributor of Formosa Microsemi components, ensuring you receive a genuine and high-quality product. This diode is commonly used in electronic devices to maintain a stable voltage level, protecting sensitive components from voltage spikes. Its small size and reliable performance make it a versatile choice for various electronic designs. Consider the BZX84C3V9W-H for your next project requiring precise voltage control.