TE90A1803N01 is a 90W single-output external AC-DC power supply designed for test and measurement and industrial applications. It delivers 18.0V at 5.00A with 180mV peak-to-peak ripple and noise, featuring universal input of 90-264Vac and meeting DoE Efficiency Level VI requirements with less than 2.01W no-load input power. The unit provides ±1% line regulation and ±5% load regulation, with comprehensive protection including overtemperature, overload, short-circuit, and overvoltage protection in hiccup mode. It is fully compliant with EN/IEC/UL60950-1 safety standards, EN61000 heavy industrial EMC requirements, and FCC Part 15 Class B emissions with 6dB margin, making it suitable for demanding industrial and test environments requiring reliable, regulated power with extended operational life of over 7 years.