Sentey Golden Steel Power 850 W Power Supply Review

Hardware Secrets Golden Award

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. 

This power supply has all the required components except for the MOV, which is in charge of removing spikes coming from the power grid. On the other hand, it has two Y capacitors and one X capacitor more than the minimum required.

Sentey Golden Steel Power 850 W power supplyFigure 8: Transient filtering stage (part 1)

Sentey Golden Steel Power 850 W power supplyFigure 9: Transient filtering stage (part 2)

Now let’s have a more detailed discussion of the components used in the Sentey Golden Steel Power 850 W.

Author: Gabriel Torres

Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.

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