The 1N4757A is a Zener diode with DO-41 RoHS package manufactured by DOWO. It is a two-terminal semiconductor device designed to provide a reliable voltage reference when connected across a load. The 1N4757A is a low-power surface mount diode intended for use in applications such as voltage regulation, over-voltage protection, or clamping applications. This diode features low leakage current for improved power dissipation, low dynamic impedance for improved voltage regulation, and high-temperature insulation for long-term reliability. It is RoHS compliant and is available in a variety of sizes and package options for flexibility in design. The 1N4757A has a maximum power dissipation of 500mW, maximum peak pulse power of 3000mW, and its breakdown voltage is between 6.2V and 8.2V, making it suitable for a wide variety of use cases.