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The ES3EC is a surface mount superfast recovery rectifier diode designed for high-efficiency power conversion in industrial power supplies, high-power adapters, and DC power rails. With a 300V reverse voltage rating, 3A continuous forward current capability, ultra-fast 35ns reverse recovery time, and low junction capacitance, it minimizes switching loss while supporting high surge currents up to 90A, ensuring reliable operation in demanding high-frequency power systems.