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Thomas Global Register: Power Supplies
Industrial product directory allows users to send RFQs, view catalogues and compare suppliers. Search for suppliers of Power Supplies.
QuadTech: Electrical Power Supplies
Manufactures a complete line of hipot testers, LCR meters and digibridges, medical safety analyzers, megohmmeters, milliohmmeters and cable testers.
Raychem Circuit Protection: Power Conditioners
PPTC device pioneer. Supplies a complete line of circuit protection solutions: Overcurrent, Overvoltage and ESD protection.
A Different Perspective on Power Supplies
With the latest system components putting ever-higher stress on a computer’s power supply, how do you know how much power your system needs? And with transformers, rectifiers, filters and voltage regulators to consider, how can you pick a good power supply?
PC Mechanic - online guide to computer hardware
Contains overviews, purchasing and installation information for PC motherboards, memory, drives, expansion cards, and power supplies. Also contains links to companies and manufacturers and PC hardware related links.
PC external power and power supply reference
A reference guide looking at the power systems of the PC from the inside and out. Covers electricity basics, power problems, UPSs, power supply functions, form factors, and sizing and output.
Power Supply Function and Signals
Describes AC-DC voltage conversion, different voltages supplied, the Power Good signal, and power loading. This page is part of "The PC Guide".
Troubleshooting Power Sources and Power Protection Devices
Lists some typical problems related to the system power, including external power problems, power protection devices (surge suppressors, UPSes, etc.) and the internal power supply. This page is from "The PC Guide."
Yahoo!'s power supply companies page
Yahoo!'s directory of power supply companies.
Schumacher Electric: Power Conditioners
Designs and manufactures custom transformers for the electronics industry, as well as assemblies, battery chargers, and welding accessories..
Elgar Electronics: Power Conditioners
Manufacturing DC power supplies and power-related products for the semiconductor, telecommunications, and measurement and control markets.
Powertronix: Specialty Power Supplies
Supplies AC power supplies, toroidal power transformers, current transformers, DC power supplies, and DC filter chokes/inductors.
Red Lioni Controls: Power Supplies
Manufactures industrial control products including human machine interface panels, digital and analog panel meters and process control devices.
GlobalSpec.com: Power Supplies
Provides database of suppliers for Power Supplies. Browse catalogs and view technical information.