The 1A4 is a rectifier diode manufactured by FORMOSA MICROSEMI. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI components, ensuring you receive genuine and high-quality products. This diode features a forward current of 1 Ampere and a reverse voltage of 400V, making it suitable for a wide range of applications where efficient AC to DC conversion is required. Its DO-41 package provides easy mounting and integration into your circuits. This rectifier diode is commonly used in power supplies, voltage doublers, and other rectification circuits. Trust Supreme Components International for your electronic component needs.