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 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

Discount on Prototype Orders 5% Discount on Prototype Orders Through July 31, 2009.
Click here to for more details.

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.
Power Sources Unlimited Press Releases
  • 30W Medical Desktop Adaptors now CEC Level IV Compliant... Learn more
  • 5W Surface Mount DC/DC Converters Feature 4:1 Input Ranges... Learn more
  • 300W Medical AC/DC Supplies Feature Flexible Output Voltages... Learn more
  • Energy Star Compliant 45W Desktop Power Supplies... Learn more
More Press Releases
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!  
PM60 Series of 100W Power Supplies
 
Compact 2" x 4" Package
Single, Dual, Triple Outputs
Class I/II Medical and ITE Approvals
 

OEM Pricing From $18.00

TMR3WI Series - 3 Watt DC/DC Converter
 
4:1 Input Ranges
Single and Dual Outputs
Ultra-Compact SIP Package
Wide Temperature (-40C to +85C)

OEM Pricing From $12.00

TRG100 Energy Star Compliant 150W Desktop Power Supply
 
CEC Level IV Compliant
Active PFC
Single Outputs
 

OEM Pricing From: $42.00