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Home » Power
Cougar A-Series 560 W Power Supply Review
Author: Gabriel Torres 32,134 views
Type: Reviews Last Updated: July 8, 2011
Page: 3 of 10
Transient Filtering Stage

As we have mentioned in other articles and reviews, the first place we look when opening a power supply for a hint about its quality, is its filtering stage. The recommended components for this stage are two ferrite coils, two ceramic capacitors (Y capacitors, usually blue), one metalized polyester capacitor (X capacitor), and one MOV (Metal-Oxide Varistor). Very low-end power supplies use fewer components, usually removing the MOV and the first coil. 

In this power supply, this stage is flawless. It has two X capacitors and two Y capacitors more than the minimum required.

Cougar A-Series 560 W power supply
click to enlarge
Figure 8: Transient filtering stage (part 1)

Cougar A-Series 560 W power supply
click to enlarge
Figure 9: Transient filtering stage (part 2)

In the next page we will have a more detailed discussion about the components used in the Cougar A-Series 560 W.

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