The 1N4730A is a robust 1W, 3.9V Zener diode manufactured by FORMOSA MICROSEMI. Housed in a DO-41 package, this diode is designed for voltage regulation, overvoltage protection, and voltage clipping applications. As an authorised distributor, Supreme Components International ensures you receive genuine, high-quality components. This Zener diode maintains a stable voltage across its terminals when reverse biased, making it suitable for power supplies, voltage references, and surge protection circuits. Its compact size and reliable performance make it a versatile choice for various electronic projects. Trust Supreme Components International for all your component needs.