The RDDW40G-12 is a 40W isolated DC/DC converters manufactured by Mean Well. It has an input voltage range of 18 to 75V and outputs +/-12V, with +/- 1.666A current rating. It features built-in active PFC function, remote ON/OFF control, wide range of operating temperature, efficiency up to 92%, and full certificates of safety approvals such as UL/CUL/TUV/CB. In addition, it comes with active-clamp reset forward topology for high performance, shielding power inductor onboard for high temperature operation, and short circuit protection.