1. Power Supplies
      1. dc-output
        DC Output
      2. ac-output
        AC Output
      3. switchmode-power-supply
        Switchmode
      4. laptop-power-supplies
        Laptop Power Supplies
      5. laboratory-power-supply
        Laboratory
      6. led-power-supplies
        LED Power Supplies
      7. open-frame-din-rail-type
        Open Frame DIN Rail Type
      8. usb-power-charging
        USB Power & Charging
      9. dc-dc-converters
        DC-DC Converters
      10. dc-ac-inverters
        DC-AC Inverters
      11. power-generators
        Power Generators
    1. Transformers
        1. toroidal-transformers
          Toroidal Transformers
        2. multi-tapped-transformers
          Multi-Tapped Transformers
        3. step-down-transformers
          Step Down Transformers