The BZX84C3V9W-Q1-H is a high-quality 3.9V, 0.3W Zener diode manufactured by Formosa Microsemi. This surface mount device, housed in a compact SOT-323 package, is designed for a wide range of applications including voltage regulation, overvoltage protection, and transient suppression. Its precise voltage characteristics and robust construction ensure reliable performance in demanding environments. Supreme Components International is an authorized distributor of Formosa Microsemi components, ensuring you receive genuine products with full traceability. This Zener diode offers excellent stability and is suitable for automotive and industrial applications. Benefit from our extensive inventory and expert support when you choose Supreme Components International.