The BZD84C3V9-H Zener diode, manufactured by Formosa Microsemi, is a crucial component for voltage regulation and circuit protection. As an authorized distributor, Supreme Components International provides this high-quality diode, ensuring authenticity and reliable performance. This 3.9V Zener diode features a power dissipation of 250mW and is packaged in a small SOT-23 form factor, making it suitable for densely populated circuit boards. Its precise voltage regulation capabilities make it ideal for applications such as overvoltage protection, voltage clamping, and voltage referencing. The SOT-23 package allows for easy surface mounting and efficient heat dissipation. Trust Supreme Components International for genuine Formosa Microsemi components.