The BZX84C3V9-Q Zener diode, manufactured by Diotec and available from Supreme Components International, an authorized distributor, is a crucial component for voltage regulation and circuit protection. This 3.9V Zener diode, with a power dissipation of 250mW, is housed in a space-saving SOT-23 package. Its precise voltage characteristics make it suitable for applications requiring stable voltage references, surge protection, and signal conditioning. Supreme Components International ensures the authenticity and traceability of this Diotec product, providing reliable components for your electronic designs. Benefit from consistent performance and quality with this essential Zener diode.