The B0505S-1WR3 is a DC to DC buck module manufactured by GTL-POWER and is compliant to the RoHS directive. This module features high efficiency and low noise operation. The input voltage range is 4.5 to 32 VDC with an adjustment range of 1-25V. The output voltage is adjustable from 0.8-18V, and the output current is 0.5A. It has a high-accuracy voltage regulation and is reliable in operation with low external components. It features protections for short-circuit, overload, and over temperature. The module has a wide operating temperature range from -40°C to 105°C, is housed in a non-conductive plastic package, and is designed for through-hole mounting.