AC DC Converters are designed to convert alternating current (AC) electrical input into direct current (DC) output. These converters play a crucial role in providing a stable and regulated DC power source for electronic devices and circuits that require DC power. AC DC converters are commonly used in various applications, such as powering electronic devices, charging batteries, and supplying the necessary voltage for embedded systems and board-mounted components. Their prices vary based on factors like power capacity, voltage regulation, and features. Standard, lower-power models are budget-friendly, suitable for basic applications, while high-power or specialized converters may be more expensive. When buying AC DC converters, ensure the power rating matches device requirements. Consider efficiency, input voltage range, and output stability. Assess size and form factor for compatibility, and prioritize features like overcurrent and overvoltage protection, as well as thermal management, for enhanced reliability and safety.