12V 500mA AC-DC Switching Power Supply Module

The PSML-12V500MA is a compact AC-DC switching power supply module that converts a wide 100–240V AC input (50/60Hz) into a regulated 12V DC output at up to 500mA. It is designed as a board-level power solution for small electronic devices, microcontroller systems, and embedded projects where a reliable 12V rail is required without the bulk of a traditional adapter. The module measures only 50 × 34 × 15mm, allowing it to fit into tight enclosures or be mounted directly onto a chassis. Its switching topology provides stable output regulation across the full input range, making it suitable for regions with different mains voltages. The 500mA current rating is sufficient for powering Arduino boards, sensor nodes, relay modules, small motors, and low-power communication devices. This 12V power supply board is a practical choice for DIY electronics, educational kits, robotic control circuits, and portable instruments that need a compact, mains-powered 12V source. The module is intended for integration into finished equipment and should be installed with proper isolation and safety clearances in mind.