Power Sources Unlimited, for all your power supply needs. 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 CINCON Desktop Adapters, DC/DC Bricks, Wallmount Power Supplies & Open Frame Power Supplies Click to view our wide selection of Unipower Switchers, Modular/Configurable, Hot-Swap, Front-ends and Telecom Power Supplies Click to view our power supply offerings from Integrated Power Designs Click to view our led power supply offerings from Magtech Industries
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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 News

Go to www.psma.com
Power Sources Unlimited, Inc.
is a member of PSMA

Power Sources Unlimited is the authorized North American distributor of AC/DC Power Supplies and DC/DC Converters from the world's leading manufacturers. Our strategic alliances allow us to support you:
  • Select the RIGHT PRODUCT for your application
  • Purchase at the LOWEST COST of ownership
  • Develop PRICING & INVENTORY PROGRAMS tailored to your distinct needs
  • Engineer MODIFIED STANDARD PRODUCTS for your specific requirement

Our website provides detailed specifications for all our products and allows you to purchase products on-line. Can't find what you're looking for? Call us at 800-966-PSUI (7784) or (508)384-1419 or email your request to info@psui.com

Magtech Ind LED Product Line
Power Sources Unlimited Welcomes Magtech Industries
PSUI has expanded its line card with the recently signed agreement to handle distribution of Magtech Industries AC/DC and DC/DC LED Drivers and Power Supplies. Magtech Industries Corporation is a US based company dedicated to the design and manufacture of high-quality LED power supply and LED drivers. The PSUI/Magtech team is committed to providing quality products and customer satisfaction.

Read Press Release >>
View Magtech’s LED Drivers and Power Supplies >>
Look For Your TRACOPOWER Postcard In The Mail.
Power Sources in partnership with TRACOPOWER recently mailed a complete product line postcard to our customer mailing list. If you did not receive your mailer... sign up here.

Click here to view PSUI-TRACO postcard >>
Discount on Prototype Orders 5% Discount on Prototype Orders Through December 31, 2010.
Click here to for more details.
Medical Power Solutions
Power Sources Unlimited has hundreds of AC/DC power supplies and DC/DC converters, all with EN60101-1 approvals for  patient vicinity medical and dental applications.   Click here to view our medically approved power conversion offerings.
Press Releases
  • LED Driver Power Supply With Dimming Control... Learn more
  • Super-Compact 100W, Single Output AC/DC Power Supplies... Learn more
  • Single Output, 4:1 Ultra-Wide Input 150W DC/DC Half-Brick... Learn more
  • EISA/Energy Star/CEC LEVEL IV Compliant 150W Desktop Power Supply... Learn more
  • Compact 1U High 400W AC/DC Power Supplies... Learn more
  • 100W, AC/DC Power Supplies... Learn more
  • 10W, Wide Input Range DC/DC Converters... Learn more
More Press Releases
Technical Reference
See our Technical Reference Pages for technical notes, glossary of power conversion terms, industry requirements, organizations, useful equations, etc.
Warehouse Clearance
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!  
Learn more about the Traco Power's TCL Series DIN-Rail Power Supplies
 
  Ultra-wide input voltage range
  I/O isolation 1500Vdc
  Output voltage adjustable
  Overload and short circuit protection
 

OEM Pricing Starting in Low $30's*

Learn more about the Cincon TRG100A Series of 100W Adapters
 
  High efficiency; Low ripple & noise
  Overvoltage protection
  Compliant with CEC and Energy Star    efficiency level IV
  100% burn-in at full rated load
 

OEM Pricing Starting in High $70's

Learn more about the Protek PM100 Series 100W AC/DC Power Supplies
 
  Dimming Controlled via 0-10Vdc
  Convection Cooled in a plastic housing
  Suitable for dry and damp locations
  UL1012, cUL, FCC and CE   (EN55015,EN61347) compliant

OEM Pricing Starting in Low $20's



* Depending on the TCL model purchased, oem pricing range from low $30's to $117)
OEM Pricing = 1000 pieces and more.