The 1N4121 is a single Zener diode manufactured by CENTRAL SEMICONDUCTOR. It features a Zener voltage of 12V and a power dissipation of 500mW. This diode is designed for through-hole mounting and comes in a DO-35 package. Zener diodes are commonly used for voltage regulation, voltage reference, surge suppression, and overvoltage protection in electronic circuits. The 1N4121 offers a stable and reliable voltage reference point. Supreme Components International is an authorised distributor of CENTRAL SEMICONDUCTOR components, ensuring you receive a genuine and high-quality product. This diode is suitable for a wide range of applications, including power supplies, instrumentation, and communication equipment.