The KBU404 is a single-phase bridge rectifier from Formosa Microsemi, available at Supreme Components International, an authorised distributor of electronic components. This diode is designed to convert alternating current (AC) to direct current (DC) with a forward current of 4A and a reverse voltage of 400V. It is commonly used in power supplies, adapters, and other electronic devices requiring AC-to-DC conversion. The KBU404 features a compact design, high surge current capability, and low forward voltage drop, ensuring efficient and reliable performance. Its robust construction makes it suitable for various industrial and commercial applications. Supreme Components International guarantees the authenticity and quality of this Formosa Microsemi product.