The RLZ9.1 (B) Zener Diode, manufactured by Formosa Microsemi, is a crucial component for voltage regulation and circuit protection. This 9.1V, 500mW diode is housed in a compact DO-34 package, making it suitable for a wide range of applications. Zener diodes are designed to maintain a constant voltage across their terminals when reverse biased, providing a stable voltage reference for sensitive electronic circuits. 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 power supplies, voltage regulators, and overvoltage protection circuits. Its reliable performance and compact size make it an excellent choice for both hobbyists and professional engineers. Trust Supreme Components International for all your electronic component needs.