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Switching Power Supplies A to Z
Switching Power Supplies A to Z, by Sanjaya Maniktala (Newnes), starting at $43.50
Home » Power
Corsair TX750W Power Supply Review
Author: Gabriel Torres
Type: Reviews Last Updated: February 12, 2008
Page: 3 of 10
$ Check REAL-TIME pricing for Corsair TX Series 80 Plus 750-Watt Certified Power Supply CMPSU-750TX $.
Wal-Mart: $139.98 Newegg: $109.99
CircuitCity: $119.99 Amazon: $117.42

Transient Filtering Stage
Hardware Secrets Silver Award

As we mentioned on other articles, 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, which is essential for cutting spikes coming from the power grid, and the first coil.

On this section this power supply is flawless, as it has more components than the necessary – one extra X capacitor, four extra Y capacitors and one extra coil. This power supply also features an X capacitor after the rectifying bridge.

Corsair TX750W
click to enlarge
Figure 8: Transient filtering stage (part 1).

Corsair TX750W
click to enlarge
Figure 9: Transient filtering stage (part 2).

A very interesting feature from this power supply is that its fuse is inside a fireproof rubber protection. So this protection will prevent the spark produced on the minute the fuse is blown from setting the power supply on fire. As you can see on Figures 6, 7 and 9 all coils used on this power supply are also protected by the same material.

Now let’s have a more detailed discussion on the components used on TX750W.

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