ME40A1803N01 is an 18V, 2.22A, 40W single-output external AC-DC power supply designed for medical applications. It features 2 MOPP input-to-output isolation, universal input range of 90–264Vac, and meets EN/IEC/UL60601-1 3rd edition safety standards with compliance to IEC60601-1-2 4th edition for EMC. The unit delivers 180mV peak-to-peak ripple and noise with ±1% line regulation, overvoltage protection in the 120–150% trip range, and operates across -20°C to +70°C. With an MTBF exceeding 1,000,000 hours, E-cap life greater than 8 years, and DoE Efficiency Level VI compliance, this power supply is ideal for medical devices requiring high reliability, low leakage current, and robust EMI/EMC performance.