Power Sources Unlimited, for all your power supply needs. Click to view our wide selection of Unipower Switchers, Modular/Configurable, Hot-Swap, Front-ends and Telecom Power Supplies Click to view our wide selection of CINCON Desktop Adapters, DC/DC Bricks, Wallmount Power Supplies & Open Frame Power Supplies Click to view our wide selection of Traco DC/DC converters,AC/DC power modules & industrial power supplies for DIN-Rail Mounting Click to view our wide selection of AC/DC and DC/DC Power Supplies from Protek Power North America Click to view our wide selection of Ultra Small, Highly Efficient, AC/DC Power Supplies from N2Power
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We offer a wide selection of power supplies including: AC/DC, DC/DC, ATX, Medical, 1U High and more.
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Power Sources Unlimited, Inc., provides the North American market with a wide selection of ac/dc power supplies, dc/dc converters and other power conversion related products.  Our latest offerings include desktop that are Energy Star and California Energy Commission ( CEC ) Compliant, Medically Approved Power Supplies, and new ATEX DIN Rail Power Supplies.

Our specialty is power supplies. The combination of our experienced staff and our alliances with the industry's leading ac/dc and dc/dc manufacturers will help you to select the best design for your application.

Retrieve full specifications and pricing through the categories on the Product Menu Bar. Can't find what you are looking for?   Call us any time toll-free at 1-800-966-PSUI (7784) or 508-384-1419 (Outside U.S.).

California Energy Commission ( CEC ) Compliant Power Supplies CEC and EISA 2007 Compliance is now in effect for Desktop Power Supplies!  Is your power supply compliant??

Energy Star Compliant Power Supplies

Power Sources Unlimited has a vast selection of 15-150W power supplies that comply with Energy Star , California Energy Commission ( CEC ) and 2007 Energy Independence and Security Act standards.   Click here to view a table of our of  Green Power products  to ensure that you are in compliance.

Power Sources Unlimited has hundreds of AC/DC power supplies and dc/dc converters, all with EN60101-1 approvals for  patient vacinity medical and dental applications.   Click here to view our medically approved power conversion offerings.
Power Sources Unlimited Press Releases
  • 300W Medical AC/DC Supplies Feature Flexible Output Voltages... Learn more
  • Wide input DC/DC converters pack 30W into Super Compact 2" X 1" Size... Learn more
  • High Isolation, 2W, Surface Mount DC/DC Converter from PSUI... Learn more
  • 200W AC/DC Power Supply in Compact 4" x 6" x 1.5" Package... Learn more
More Press Releases
Employment Opportunities at Power Sources Unlimited

INSIDE SALES/CUSTOMER SERVICE PERSONNEL WITH POWER SUPPLY EXPERIENCE ALWAYS WANTED! - Click here to view this employment opportunity at Power Sources Unlimited.
Power Supply Technical Reference Pages
See our Technical Reference Pages for technical notes, glossary of power conversion terms, industry requirements, organizations, useful equations, etc.
Clearance Products including ac/dc power supplies and dc/dc converters
Overstocks on ac/dc power supplies and dc/dc converters offered at significant discounts!  Hurry....limited quantities available!  Take a look!

 

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Featured Power Supplies including AC/DC Power Supplies, DC/DC Converters and more!  
PM300 Series - 300W Medical Power Supply
 
Single -Quad Floating Outputs
Remote Sense/Inhibit Standard
Power Fail Detect Standard
 

OEM Pricing From $130.00

TES-3WI Series SMT DC/DC Converter
 
4:1 Input Ranges
Single and Dual Outputs
Wide Operating Temperature
 

OEM Pricing From $14.70

NXT225 Series - 225W 3" x 5" Power Supply
 
Medical and Commercial Safety
Approvals
Incredible Power Density
Ideal for Space Critical Designs
EN60101-1 and EN60950 SafetyCertification
 

OEM Pricing From $134.00

TRG70 Energy Star Compliant 70W Desktop Power Supply
 
Compact 2.29" x 5.2" x 1.18" Case
Universal Input
Single Outputs to 48VDC
 

OEM Pricing From: $23.00