ME40A1803F01 is a 40W single output external AC-DC power supply designed for medical applications. It delivers 18.0V output at 2.22A with 180mV pk-pk ripple and noise, featuring ±1% line regulation and ±5% load regulation. The unit operates from a universal input range of 90-264Vac (47-63Hz) and is approved to EN/IEC/UL60601-1 3rd edition safety standards with 2 MOPP input-to-output isolation. It meets DoE Efficiency Level VI requirements with greater than 78% typical efficiency and less than 0.1W no-load input power. The Class I desktop configuration with IEC60320 C14 receptacle features an IP22 rated enclosure and operates over a temperature range of -20°C to +50°C, making it ideal for powering medical equipment requiring reliable, regulated DC power.