SMI5-USB Series

5 W, USB Inlet, Interchangeable Input Blades, Wall Plug Adapter, Ac-Dc Power Supply

SMI5-USB Series
SMI5-USB Back View
SMI5-USB Bottom View

The SMI5 series is a 5 W wall plug-in ac-dc power supply with interchangeable ac blades and an integrated USB input connector.  The series is designed to meet the current US DoE Level VI efficiency standards in addition to the proposed and more stringent EU CoC Tier 2 requirements. Designed for global use, CUI's SMI adapters include plug options for North America, Europe, the United Kingdom, Australia and China. This high efficiency power supply adapter is a continuation of CUI's initiative to provide customers with global solutions utilizing the latest in green power technology.


  • Up to 5 W continuous power
  • UL/EN/IEC 62368 certified
  • No-load power consumption < 0.075 W
  • Universal input voltage range
  • Interchangeable Ac blades for global use
  • Over voltage and short circuit protections
  • UL/cUL, GS, RCM, CCC, PSE safety approvals
  • Class II construction
  • Limited Power Source (LPS) rated


  • Input Voltage (Vac)
    90 ~ 264
  • Package Type
    Wall Plug
  • Safety Standards
    60950-1, 62368-1
  • Efficiency Standards
    Level VI, EU 2019/1782, CoC Tier 2
  • Dimensions LxWxH (in)
    1.85 x 1.358 x 1.043
  • Dimensions LxWxH (mm)
    47 x 34.5 x 26.5


Model Number Power (W) Output Voltage (Vdc) Output Current (A) Safety Approvals 3D Model Stock Check Sample Request RFQ
SMI5-5-I38 5 5 1 UL/cUL, GS, RCM, CCC, PSE, CE, FCC 3D Model Stock Check SMI5-5-I38 Sample Request Request a Quote