| BFG MX-550 Power Supply Review |
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$ Check REAL-TIME pricing for Bfg Technologies Tech MX-550 ATX12V & EPS12V Power Supply Not Available BFGI550WMXPSU $ |
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| Transient Filtering Stage |
 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 is flawless on this stage, having two extra X capacitors and two extra Y capacitors. 
click to enlarge
Figure 7: Transient filtering stage (part 1).
click to enlarge
Figure 8: Transient filtering stage (part 2).
Now let’s have a more detailed discussion on the components used on MX-550. |
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