The ERD210RSZ is a Surface Mount Schottky Barrier Rectifier Diode manufactured by Excel Cell Electronics (ECE). It is a device that is used to convert alternating current (AC) into direct current (DC), featuring a very low voltage drop and fast switching speed. It has an average forward current of 210 mA, a reverse voltage of 200 V, a forward voltage of 1.2 V, and a maximum reverse current leakage of 5 µA. The product also features peak forward surge current of 1.4A. Additionally, it has a low leakage current and an operating temperature range of -55°C to +125°C. This diode is a general-purpose device that is suitable for use in a variety of electronic projects.