But it turns out a obsolete computer power supply is perfect for the job instead.
Converting pc power supply to bench power supply.
The standard computer power supply unit psu turns the incoming 110v or 220vac alternating current into various dc direct current output voltages suitable for powering the computer s internal components and with a little bit of imagination it is possible to convert atx psu to a bench power supply.
Most computer psu s range from about.
Prices today for a lab power supply well exceed 180.
With these costing you only 25 and having short circuit protection thermal protection overload protection and.
First a bit of background on a typical atx power supply.
For instance a computer power supply can make a great bench power supply for your workshop.
There are already a lot of tutorials online that show how to convert an old computer power supply into a bench power supply but most of these designs require you to permanently modify it.
It s a very inexpensive way to make a pretty good dc bench supply or dedicated 12 volt supply for working on projects or powering devices.
Computer power supplies have all the voltages you ll need and some very impressive current capabilities.
While a commercial bench power supply is certainly a worthwhile investment there is a cheaper solution that you might want to consider.
Computer power supplies are switch mode power supplies smps which use high frequency switching circuit elements to provide a high quality output voltage with good energy efficiency one side effect of this technology is the minimum load requirement that each power supply has.
The standard computer power supply unit psu turns the incoming 110v or 220vac alternating current into various dc direct current output voltages suitable for powering the computer s internal components and with a little bit of imagination it is possible to convert atx psu to a bench power supply.