Power Supplies

Almost every single item on this website will require power to function. The power supply units in this section provide a variety of options for powering your kits & circuits. Please be sure to select a PSU (Power Supply Unit) with the correct ratings for your application.
Provides 3 amps current at 3-30 Volts DC. Reduces ripple voltage to almost non-existant.
Build this educational Deluxe Bench DC Power Supply Kit
Build this educational Deluxe Bench DC Power Supply Kit
This is a practical battery eliminator for your projects. This is a basic power supply using two 7805 regulators; input up to 20 VAC from a transformer. There are two outputs; one ...
A very basic power supply that can be adjusted over a range of about 1.5 to 35 volts DC. If you add a heat sink (included), you can run it as hot as 2 Amps output; otherwise about ...
Compact negative adjustable power supply
Compact positive (K124) and negative (K125) adjustable power supply +/-
This is a practical power supply for all your projects. It provides 6 different outputs between 6 and 20VDC @ 500mA.
A handy portable power supply with a variable output voltage of 15VDC. Mounted in a rugged bakelite case.
A very basic power supply that can be adjusted over a range of about 1.5 to 35 volts DC. If you add a heat sink (included), you can run it as hot as 2 Amps output; otherwise about ...