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Home » Power
Rosewill RD600N-2SB-SL-BK Power Supply Review
Author: Gabriel Torres
Type: Reviews Last Updated: May 20, 2008
Page: 3 of 10
$ Check REAL-TIME pricing for APEVIA ATX-AS520W-BK 520W ATX Power Supply - Retail $.
Newegg: $59.99

Transient Filtering Stage
Hardware Secrets Silver Award

As we mentioned on other articles and reviews, the first place we like to take a look when opening a power supply to have a hint about its quality is its filtering stage. The recommend 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 than that, usually removing the MOV and the first coil.

This power supply brings all the recommended components plus one extra X capacitor (and another extra X capacitor after the rectifying bridge). The MOV is located after the rectification bridge, and not before as usual. And the fuse is located on the first part of the transient filtering stage, i.e. on a small printed circuit board attached to the main AC power plug. This power supply uses a fuse holder, a thing that is rare to see nowadays (most power supplies nowadays come with their fuses soldered directly on the printed circuit board).

Rosewill RD600N-2SB-SL-BK
click to enlarge
Figure 6: Transient filtering stage (part 1).

Rosewill RD600N-2SB-SL-BK
click to enlarge
Figure 7: Transient filtering stage (part 2).

Now let’s have a more detailed discussion on the components used on Rosewill RD600N-2SB-SL-BK.

Pages (10): « 1 2 [3] 4 5 6 7 8 9 10 »
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