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Home » Power
High Power Direct12 BR 850 W Power Supply Review
Author: Gabriel Torres 23,791 views
Type: Reviews Last Updated: October 24, 2011
Page: 3 of 11
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 stage, this power supply is flawless, with one X capacitor, two Y capacitors, and one ferrite coil more than the minimum required.

High Power Direct12 BR 850 W power supply
click to enlarge
Figure 8: Transient filtering stage (part 1)

High Power Direct12 BR 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 High Power Direct12 BR 850 W.

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