Frequent computer crashes – was originally due to motherboard makers capacitor material saving
Rated voltage have fixed specifications, commonly are 6.3V, 10V, 16V and so on. Usually part of the CPU power supply used in 6.3V and 16V capacitors are divided into two kinds, the former for the Vcore (CPU core voltage) of the filter circuit, because the general CPU’s voltage between 1.4V to 1.75V, so 6.3V to capacitor fully capable. In the 12V power supply input, 12V voltage due to the special requirements here should use 12V rated voltage higher than the standard value of capacitance, so the industry’s widespread use in 12V power supply input voltage is 16V rated capacitor.
Material saving method 2: Reduce the capacitance temperature specifications
Reduce the choice of capacitor manufacturers specifications, the most common is the value for the temperature to a material saving. The temperature in some capacitor values of high, even if the circuit as a whole can not be controlled at a lower temperature within the capacitance will not be unable to work.
However, some board itself is designed on the existence of various problems in the overall temperature of the high case, still use low-temperature value of the capacitance, or use the shell there is no marked temperature value of the brand-name capacitor, then the board affirmed the stability of the be lowered substantially. Capacitor values are usually temperature 85 ℃, 105 ℃ different sizes, from the stability point of view, the greater the temperature the better the value.
Summary:
Capacita
nce is small, but it is in the motherboard’s CPU power supply circuit the role of a direct impact on the user’s normal use. It is my recommendation to consumers is to buy the motherboard CPU power supply circuit should be used in the capacitance of the brand, quality and quantity as a reference for selection of one of the standards, not because the lure of low prices of products have been very few manufacturers hoodwinked by a small trick. For those very few capacitors on the motherboard manufacturers make a big fuss, I will have to advise a lower product cost by reducing the number of additional features to achieve, but not at the expense of the cost of product stability. Otherwise, it will eventually be abandoned by the market and consumers.
Material saving method 2: Reduce the capacitance temperature specifications
Reduce the choice of capacitor manufacturers specifications, the most common is the value for the temperature to a material saving. The temperature in some capacitor values of high, even if the circuit as a whole can not be controlled at a lower temperature within the capacitance will not be unable to work.
However, some board itself is designed on the existence of various problems in the overall temperature of the high case, still use low-temperature value of the capacitance, or use the shell there is no marked temperature value of the brand-name capacitor, then the board affirmed the stability of the be lowered substantially. Capacitor values are usually temperature 85 ℃, 105 ℃ different sizes, from the stability point of view, the greater the temperature the better the value.
Temperature on the capacitance value of enclosure logo
Related key indicators – temperature value
Temperature value of this indicator for the motherboard CPU power supply part is very important. In the circuit board near the CPU power supply part of the general temperature of the high CPU, if the ventilation design for good, leaving long been baking electrolytic capacitor, the electrolyte will evaporate and eventually lead to the breakdown or capacitive explosive slurry, while the loss of electrolysis fluid capacitance will also be null and void.
Temperature value of this indicator for the motherboard CPU power supply part is very important. In the circuit board near the CPU power supply part of the general temperature of the high CPU, if the ventilation design for good, leaving long been baking electrolytic capacitor, the electrolyte will evaporate and eventually lead to the breakdown or capacitive explosive slurry, while the loss of electrolysis fluid capacitance will also be null and void.
Material saving method 3: Use low-grade capacitors
Currently on the market is quite good quality brand capacitors, such as the Japanese of the SanYo, Rubycon, Nichcon, etc. (Figure 4), Taiwan’s Department of Taicon, OsT, Evercon so. The choice of capacitors on the motherboard, the majority of first-tier manufacturers have chosen to Japanese products, second-tier Taiwan-based manufacturers are more choices capacitors. Consumers of the motherboard, it should be more attention to the motherboard used in capacitors brand.
Currently on the market is quite good quality brand capacitors, such as the Japanese of the SanYo, Rubycon, Nichcon, etc. (Figure 4), Taiwan’s Department of Taicon, OsT, Evercon so. The choice of capacitors on the motherboard, the majority of first-tier manufacturers have chosen to Japanese products, second-tier Taiwan-based manufacturers are more choices capacitors. Consumers of the motherboard, it should be more attention to the motherboard used in capacitors brand.
Multi-tier motherboard makers use SanYo, Rubycon, Nichcon brands such as capacitors
Taicon, OsT, Evercon brands such as capacitors, mostly second-tier motherboard makers to use
The Mainland of China capacitance countless brands, low price, but the quality is variable. Although there is no lack of them good quality products, but the overall quality and Japanese Taiwan there is a large distance from the Department of capacitors. For some non-well-known brands of capacitors, to judge its quality is relatively complex advantages and disadvantages of the method, because of the need to distinguish apart capacitor. First, the need to find a similar brand and size of the capacitance (larger size have generally been able to buy the electronic city), and then use needle nose pliers cut open the shell to see its internal foil capacitor whether and shell fit.
If the shell large, while the internal aluminum foil the size is very small, then the capacitor in terms of quality on the problem. Second is to see whether the volume of paper aluminum foil and electrolytic close enough. Finally, it should carefully review the status of electrolyte, electrolyte under normal condition should be colorless and transparent oily substance, but if the electrolyte black or contains impurities, then this will certainly belong to low-quality capacitors capacitors.
If the shell large, while the internal aluminum foil the size is very small, then the capacitor in terms of quality on the problem. Second is to see whether the volume of paper aluminum foil and electrolytic close enough. Finally, it should carefully review the status of electrolyte, electrolyte under normal condition should be colorless and transparent oily substance, but if the electrolyte black or contains impurities, then this will certainly belong to low-quality capacitors capacitors.
Summary:
Capacita
nce is small, but it is in the motherboard’s CPU power supply circuit the role of a direct impact on the user’s normal use. It is my recommendation to consumers is to buy the motherboard CPU power supply circuit should be used in the capacitance of the brand, quality and quantity as a reference for selection of one of the standards, not because the lure of low prices of products have been very few manufacturers hoodwinked by a small trick. For those very few capacitors on the motherboard manufacturers make a big fuss, I will have to advise a lower product cost by reducing the number of additional features to achieve, but not at the expense of the cost of product stability. Otherwise, it will eventually be abandoned by the market and consumers.
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