The SLE18S0503B01 is an 18-watt single-output external AC-DC power adapter designed for medical and industrial applications requiring both medical and ITE safety certifications. It delivers a regulated 5.0 V output at up to 3.0 A maximum load with ±5% load regulation and 200 mV pk-pk ripple and noise, achieving 81.84% average efficiency. The adapter features dual-layer (2×MOPP) input-to-output isolation rated at 4,000 VAC, low leakage current of =100 µA, and comprehensive protection including overvoltage, overcurrent, and short-circuit protection in hiccup mode. It operates from 90–264 VAC input (47–63 Hz), meets Department of Energy Level VI and EU Code of Conduct V5 Tier 2 efficiency standards, and is suitable for medical equipment up to class BF. The compact design (88 × 30 × 57 mm, 140 g) with interchangeable AC blade options makes it ideal for portable medical devices, industrial instrumentation, and equipment requiring high reliability and regulatory compliance.