The 1A1 is a Rectifier Diode manufactured by FORMOSA MICROSEMI. It's a standard recovery diode with a voltage rating of 50V and a current rating of 1A. This diode is designed for general-purpose rectification in a wide range of electronic circuits. The DO-41 package provides easy mounting and soldering. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI components, ensuring you receive genuine and reliable products. This rectifier diode is commonly used in power supplies, adapters, and other applications where AC to DC conversion is required. Its robust design and standard specifications make it a versatile choice for various projects.