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Home » Power
FSP Aurum Pro 850 W Power Supply Review
Author: Gabriel Torres
Type: Reviews Last Updated: March 26, 2012
Page: 3 of 11
Transient Filtering Stage
Hardware Secrets Golden Award

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 the transient filtering stage, this power supply is flawless. It uses an integrated circuit called “CAPZero” (CAP007DG) to reduce power loss.

FSP Aurum Pro 850 W power supply
click to enlarge
Figure 8: Transient filtering stage (part 1)

FSP Aurum Pro 850 W power supply
click to enlarge
Figure 9: Transient filtering stage (part 2)

On the next page, we will have a more detailed discussion about the components used in the FSP Aurum Pro 850 W.

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