TE40A1803B01 is a 40W single output external AC-DC power supply designed for test & measurement and industrial applications. It delivers 18.0V output at 2.20A with 180mV pk-pk ripple and noise, featuring ±1% line regulation and ±5% load regulation. The unit accepts a universal input range of 90-264Vac at 47-63Hz and includes overvoltage protection with a 120%–150% trip range. This Class II wall-plug configuration with interchangeable blades meets DoE Efficiency Level VI requirements, EN/IEC/UL60950-1 safety standards, and Class B conducted and radiated emissions per EN55011/CISPR11 and FCC Part 15.109. With an MTBF exceeding 250,000 hours and operating temperature range of -20°C to +50°C, it provides reliable power conversion for demanding industrial environments.