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Computer Power Supplies

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About Computer Power Supplies

Computer power supplies convert alternating current (AC) line to direct current (DC) line, needed by the computer. Power supply style, DC output, AC input, features, and environmental parameters are all important specifications to consider when searching for computer power supplies.

Choices for power supply style for computer power supplies include ATX, FlexATX, microATX, AT, LPX, NLX, SFX, and TFX.  There are a variety of computer motherboard styles and cases available.  Most case styles have a corresponding power supply type. Common choices for DC output voltage include +/- 3.3 V, +/- 5 V, +/- 12 V, +/- 15 V, +/- 24 V, and +/- 48 V.  The number of outputs, DC output current, and power are also important to consider.  The DC output current is the output current corresponding to the primary DC voltage output.  The DC output power is the output power of the device.  AC inputs include input voltage and input frequency.  Choices for input voltage include 115 VAC and 230 VAC.  Input frequencies for computer power supplies can be 50 Hz, 60 Hz, or 400 Hz. 

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Products & Services Related to Computer Power Supplies

AC Power Sources
AC power sources provide alternating power and typically have adjustable output values for the testing of component response at various voltages, current and frequency levels.
Current Sources
Current sources provide reliable current for electrical component testing and for powering specialized components.
DC Power Supplies
DC power supplies accept an input power and output the desired form of DC power. Common types of DC power supplies include linear power supplies, switching power supplies, DC-DC converters, and silicon controlled rectifier (SCR) type power supplies.
DC-AC Inverters
DC to AC inverters are used for converting direct current (DC) into alternating current (AC). They are also known as DC to AC converters.
DC-DC Converters
DC-DC converters accept DC input and provide regulated and/or isolated DC output in various applications including computer flash memory, telecommunications equipment, and process control systems.
Power Supplies
Power supplies are devices that produce AC or DC power.  This grouping includes current sources, DC power supplies, AC-DC adapters, DC-DC converters, AC power sources, and DC-AC inverters.
RF Generators
RF generators and high frequency power supplies provide the power required for plasma generation, induction heating, and radar or communications applications.

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Engineering Web: Computer Power Supplies

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Part Numbers for Computer Power Supplies

Part # Distributor Manufacturer Product Category Description
72-1086 Newark TENMA All Supplier Direct Ship COMPUTER POWER SUPPLY TESTER FOR ATX STYLE SUPPLIES
72-1082 Newark TENMA All Supplier Direct Ship COMPUTER POWER SUPPLY TESTER FOR ATX STYLE SUPPLIES
28-1745 Newark MCM All Supplier Direct Ship DC BRUSHLESS COOLING FANS, VOLTAGE RATING: 12 VDC, CURRENT RATING: .16 A, AIR FLOW: 25.2 CFM, SIZE: 3 5/8 X 1 , BEARING: BALL, FEATURES: PROLONGS THE LIFE AND RELIABILITY OF COMPUTER, OFFICE MACHINE, POWER SUPPLY AND MUCH MORE
28-1730 Newark MCM All Supplier Direct Ship DC BRUSHLESS COOLING FANS, VOLTAGE RATING: 12 VDC, CURRENT RATING: .1 A, AIR FLOW: 5.4 CFM, SIZE: 1 9/16 X 3/4 , BEARING: BALL, FEATURES: PROLONGS THE LIFE AND RELIABILITY OF COMPUTER, OFFICE MACHINE, POWER SUPPLY AND MUCH MORE
28-1690 Newark MCM All Supplier Direct Ship AC BRUSHLESS COOLING FANS, VOLTAGE RATING: 115 VAC, CURRENT RATING: .24 A, AIR FLOW: 105 CFM, SIZE: 4 5/8 X 1 1/2 , BEARING: SLEEVE, FEATURES: PROLONGS THE LIFE AND RELIABILITY OF COMPUTER, OFFICE MACHINE, POWER SUPPLY AND MUCH MORE

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