Additional Resources: Product Page 3D Model date 09/16/2021 page 1 of 6 SERIES: SDI50-UD DESCRIPTION: AC-DC POWER SUPPLY FEATURES DoE Level VI, CoC Tier 2 efficiency 50 W power universal input (90~264 Vac) compact size single regulated output from 9~48 Vdc over voltage and short circuit protections UL/cUL and PSE safety approvals custom designs available certified to 60950-1 and 62368-1 standards output output output ripple efficiency MODEL 1 2 voltage current power and noise level max max max (Vdc) (A) (W) (mVp-p) SDI50-9-UD 9 5 45 100 VI SDI50-12-UD 12 4.2 50 120 VI SDI50-15-UD 15 3.34 50 150 VI SDI50-18-UD 18 2.78 50 180 VI SDI50-19-UD 19 2.64 50 190 VI SDI50-24-UD 24 2.1 50 240 VI SDI50-48-UD 48 1.05 50 480 VI Notes: 1. At full load, nominal input, 20 MHz bandwidth oscilloscope, each output terminated with 0.1 F multilayer ceramic and 10 F low ESR electrolytic capacitors. 2. CoC Tier 2 compliant PART NUMBER KEY SDI50 - XX - UDX - XXX - CXX AC Inlet Type: Base Number Reserved for Custom IEC320/C8 Configurations Output Voltage Input Cable: DC Plug Type: Blank = No Cable XXX = See output plug options C = North America input cable on page 5 for more details 2 = Europe input cable 3 = United Kingdom input cable 4 = Australia input cable 5 = China input cable 6 = South Korea input cable 7 = Brazil input cable 8 = South Africa input cable 9 = Japan input cable cui.comAdditional Resources: Product Page 3D Model CUI Inc SERIES: SDI50-UD DESCRIPTION: AC-DC POWER SUPPLY date 09/16/2021 page 2 of 6 INPUT parameter conditions/description min typ max units voltage 90 264 Vac frequency 47 63 Hz current 1.2 A inrush current at 230 Vac, full load, 25C, cold start 70 A leakage current 0.25 mA at 230 Vac no load power consumption 9 Vdc model 0.10 W all other models 0.15 W OUTPUT parameter conditions/description min typ max units regulation 5 % PROTECTIONS parameter conditions/description min typ max units over voltage protection output latch off 180 % over current protection output shut down, auto recovery 180 % short circuit protection output shut down, auto recovery SAFETY & COMPLIANCE parameter conditions/description min typ max units isolation voltage input to output at 10 mA for 1 minute 3,000 Vac isolation resistance input to output at 500 Vdc 10 M safety approvals UL/cUL (60950-1, 62368-1), PSE, LPS, UKCA EMI/EMC FCC Part 15B Class B, CE MTBF as per Telcordia SR-332, 25C 300,000 hours RoHS yes ENVIRONMENTAL parameter conditions/description min typ max units operating temperature 0 40 C storage temperature -20 80 C operating humidity non-condensing 20 80 % storage humidity non-condensing 10 90 % cui.com