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Power supply unit facts for kids

Kids Encyclopedia Facts
PSU-Open1
An ATX power supply unit with top cover removed

A power supply unit (or PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer.

Modern personal computers always use switched-mode power supplies. Some power supplies have a manual switch for selecting input voltage, while others automatically adapt to the mains voltage.

Images for kids

  • Netzgeraet

    A simple general-purpose desktop power supply used in electronic labs, with power output connector seen at lower-left and power input connector (not shown) located at the rear

  • Regatron - Model 238 AMB - Rowan Controller Co - Electronic Measurements - front panel

    A rackmount, adjustable regulated DC power supply

  • Bench power supply

    Electronic bench power supply unit with "banana connector" output

  • Switched mode power adapter

    Switch-mode mobile phone charger

  • Hameg Power Supplies

    Programmable power supplies

  • HighVoltagePowerSupply

    A 30 kV high-voltage power supply with Federal Standard connector, used in electron microscopes

  • Bipolar Power Supply

    A bipolar power supply (Kepco BOP 6-125MG)

See also

Kids robot.svg In Spanish: Fuente de alimentación para niños

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Power supply unit Facts for Kids. Kiddle Encyclopedia.