A Computer Power Supply unit consists of a number of important components. It’s great to know at least the basic components of a Desktop Power Supply unit even if you are not a PC professional. The basic components include:

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  1. Rectifier

The rectifier of the computer power supply is a device that is used in changing the ac power into the pulsating dc. Diode is the basic rectifier. It is usually a unidirectional device which operates as a rectifier particularly in the forward direction. The main 3 main rectifier circuits that use diodes are the full-wave centered-tapped, full-wave, and half-wave bride-type.

  1. Transformer

The transformer of a power supply is a static device which transfers the electrical energy to the secondary winding from the primary winding without necessary having any effect in the frequency. The transformer is used to step-down or step-up the ac voltage level as well as to cut off the rest of the electronic system completely from the ac power. The main functions of a transformer in a computer supply unit is to step the voltage down, step the voltage up, and to provide isolation between the secondary and primary circuits.

  1. Filter

This is another important component of a Computer Power Supply unit. Its main function is to ensure that the ripple component doesn’t appear in the output. It converts the pulsating DC from the rectifier circuits into an appropriate smooth dc level. There are two main types of filters namely the RC-filter and the C-filter (capacitance filter). The RC-filter is mainly used to cut down the ripple voltage amount across the capacitor filter. The other hand, the capacitance filter is the most economical and simplest filter available. The filter of a power supply passes the dc component as it attenuates the ac component.

  1. Voltage regulator

Voltage regulators are designed to provide a well regulated or steady dc output. With a steady output voltage, the load will always operate properly. Voltage regulators ensure that the output voltage level is maintained despite of the variation of the input voltage.

Whether it’s a HP Power Supply, a Lenovo Power Supply or any other computer or Desktop Power Supply, the unit should have the components named above. The power supply units at 365PowerSupply.com are of high quality are sold at the best prices. Place an order for your Dell Power Supply or a power supply of any computer today at 365PowerSupply.com.