Part Number: DC5-36-TO-DC3V3-5 DC-DC Buck Mini Module, Compact Size And Easy To Integrate, Configurable 3.3V Or 5V buck voltage regulation output, Immersion Gold Process Supports 5~36V wide voltage input, configurable for 5V or 3.3V output, up to 4A output current. 5V output by default, and the input voltage range is 6~36V Can be switched to 3.3V output by resoldering a onboard resistor, and the input voltage range is: 5~36V Adopts black immersion gold process, small in size and easy to integrate Castellated holes with immersion gold design, highly integrated packaging. easy to embed into various product applications via multiple methods