The 1SMA4757 is a 600V 3A surface mount Plastic-Encapsulate Diode (SMD) manufactured by Taiwan Semiconductor. This diode offers a higher peak current and higher peak power ratings compared to similar diode types. This SMD diode is typically used for switching, clamping, and rectifying applications in the automotive, telecommunication, computer, and consumer electronic markets. The 1SMA4757 is RoHS compliant, making it an ideal choice for environmental-friendly and energy-saving designs.