The S4D02120A Schottky Barrier Rectifier Diode from SMC DIODES is designed for efficient rectification in various electronic circuits. With a voltage rating of 20V and a current rating of 4A, this diode offers reliable performance in demanding applications. Its low forward voltage drop minimizes power loss, while its fast switching speed ensures efficient operation at high frequencies. The S4D02120A is housed in a compact DO-214AA (SMB) package, making it suitable for surface-mount assembly. Typical applications include switching power supplies, freewheeling diodes, and polarity protection. Supreme Components International is an authorized distributor of SMC DIODES, ensuring you receive genuine and high-quality components.