SWI3-N-USB Series

3 W, USB Inlet, US Input Blade, Wall Plug Adapter, Ac-Dc Power Supply

SWI3-N-USB Series

The SWI3-N-USB series is a 3 W North American wall power adapter designed to meet the current US DoE Level VI efficiency standards.  Featuring an integrated USB connector and an ultra-compact design, this ac-dc power supply is a continuation of CUI's initiative to provide customers with the most efficient power solutions utilizing the latest in green power technology.


  • Up to 3 W continuous power
  • UL/cUL 62368-1 safety approvals
  • No-load power consumption < 0.075 W
  • Ultra-compact case
  • Universal input voltage range
  • Integrated USB Type A connector
  • Over current, over voltage, and short circuit protections
  • UL/cUL and 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
  • Dimensions LxWxH (in)
    1.87 x 1.43 x 0.9
  • Dimensions LxWxH (mm)
    47.4 x 36.3 x 22.8


Model Number Power (W) Output Voltage (Vdc) Output Current (A) Safety Approvals 3D Model Stock Check Sample Request RFQ
SWI3-5-N-I38 3 5 0.6 UL/cUL, PSE, FCC 3D Model Stock Check SWI3-5-N-I38 Sample Request Request a Quote