"Profit" and "disadvantages" of solid capacitors

The solid capacitance uses high -molecular electrical medium. At high temperatures, the solid particles are lower at high temperature. Whether it is the increase in particles or the activity is lower than that of the liquid electrolyte, its boiling point is as high as 350 degrees Celsius, so it is almost impossible to appear the possibility of bursting slurry.Theoretically, solid capacitors are almost impossible to burst.

Solid -state capacitors have better performance than traditional electrolytic capacitors than traditional electrolytic capacitors. According to testing, the equivalent of the equivalent of the equivalent string of solid capacitors during high -frequency operation is extremely small, and the conductivity frequency is excellent.The characteristics of lower thermal output are the most obvious between 100kHz and 10MHz.

▲ Solid -state capacitance

The traditional electrolytic capacitance is more likely to be affected by the temperature and humidity of the environment, which is slightly worse in terms of high and low temperature stability.Even if it is 55 degrees to 105 degrees Celsius below zero, the impedance of the ESR (equivalent series resistance) of the solid capacitor can be as low as 0.004 to 0.005 ohm, but the electrolytic capacitance will change due to temperature.

▲ Electrolytic capacitance

In terms of capacitor value, the liquid capacitance will be lower than 20 degrees Celsius, which will be lower than the capacitance marked, and the lower the temperature, the more capacitive value will decrease.The power capacity of minus 55 degrees reached 37%.

Of course, this has no impact on ordinary users, but for players who use liquid nitrogen as the ultimate overclocking, solid capacitors can guarantee that the capacitance capacity will not be affected by the decrease in temperature, which will cause the overclocking stability to greatly discount.Because the capacitance value of solid capacitance at minus 55 degrees will only decrease less than 5%.There are indeed many advantages in solid -state capacitors, but it is not applicable at any time.

The low -frequency response of solid capacitors is not as good as electrolytic capacitors.In other words, a motherboard is not necessarily the most reasonable!

Whether it is a solid -state capacitor or electrolytic capacitor, their main function is to filter the miscellaneous waves. Therefore, as long as the capacitance meets a certain value requirements, as long as its component quality passes, it can also ensure the stable operation of the motherboard.And this point, electrolytic capacitors can do it completely!

When the solid capacitance is 105 degrees Celsius, its life and electrolytic capacitors are equally 2000 hours. After the temperature is reduced, their life will increase, but the life of solid capacitors increases. Generally, the working temperature of the capacitor is 70 degrees at 70 degreesOr lower.

At this time, the life of solid capacitors may reach 23 years, which is almost 6 times that of electrolytic capacitors!But ... will your motherboard continue to use after 23 years?And this 23 years refers to the 24 -hour turnover all over the weather. Even if the capacitor has such a long life, other components may not be able to stand for 23 years!

Compared with electrolytic capacitors, solid -state capacitors are far greater than solid capacitors at the same volume and voltage. At present, most of the CPU power supply of the computer motherboard CPU uses solid capacitors.Few; more than due to capacity problems, the frequency of the CPU power supply part has to be increased.

In the process of using solid -state capacitors and electrolytic capacitors, the capacity attenuation problems are used. The circuit board that uses solid capacitors has a slight fluctuation of the capacity, which will make the power supply ripple, resulting in the CPU that cannot work properly.Therefore, theoretically the life span of solid capacitors is very high, but the life of the plate with solid capacitors may not be high.

The maintenance of solid capacitance computer board: Since the CPU power supply part is often parallel to multiple capacitors, because the solid capacitance does not have deformation, bleaching, leakage, etc., there is basically no way to determine which one is a failure.Therefore, in maintenance, one of them is often removed (no matter whether good or bad), and a large -capacity capacitor (many times you can use electrolytic capacitors). This method can generally solve the problem quickly.

Theoretically the life span of solid capacitors is very high, but there will still be many failures in the actual use process. The author has encountered a capacitor failure during the maintenance process.

At present, many manufacturers launched the main board with overclocking as the selling point will use solid capacitors. The motherboard with solid capacitors can be more super " this statement can only be said to be barely correct. It is not capacitors that decide over frequency.

The design of the line, the development of BIOS, the quality of the CPU itself, and the heat dissipation measures may determine the success or failure of overclocking.So there is no saying that the ordinary electrolytic capacitance on the motherboard can be replaced with a full solid capacitor to improve the overclocking performance of the motherboard ", this statement is completely wrong!

If the effect of solid capacitance on overclocking, it is because it has higher voltage resistance and temperature resistance, so it provides a certain guarantee for the system stability after overclocking.