The B0505S-1WR3 with Power Modules SIP-4 RoHS manufactured by RLT is an ultra-compact, high-efficiency single-channel DC/DC supplementary component with a low-profile and cost-effective SIP-4 package. It offers a wide input range from 8.0V to 40V, and delivers a single-output, regulated 5V/500mA power supply. This board is RoHS compliant and has an operating temperature range of -40°C to 85°C. It is equipped with a built-in EMI filter, as well as a built-in thermal and over-current protection circuit. This board has a power density of 7 Watts/in3 and a high efficiency of up to 83%.