The FM4004-MST-Q1-H is a high-quality standard rectifier diode manufactured by Formosa Microsemi. Supreme Components International is an authorised distributor of Formosa Microsemi components, ensuring you receive genuine and reliable products. This surface mount diode is designed for efficient rectification in a variety of electronic circuits. It features a forward current of 1A and a reverse voltage rating of 400V. Its compact size and robust construction make it suitable for applications where space is limited and performance is critical. This diode is commonly used in power supplies, adapters, and other electronic devices requiring AC to DC conversion. Trust Supreme Components International for all your electronic component needs.