50YXG100MEFCT78X11.5

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Aluminum electrolytic capacitors are widely used passive components, as they are small in size and larger in capacity. They are used to store electrical energy using the principle of electrostatic capacitance. The anode of the capacitor is usually an aluminum foil or sheet, and the cathode is an aluminum oxide layer formed on the anode surface, which acts as an insulator. The aluminum electrolytic capacitors come in various shapes and sizes, and they function in different ways depending on the type and usage.

50YXG100MEFCT78X11.5 is an aluminum electrolytic capacitor, which is generally used for applications that require large capacitance as well as a wide operating temperature range. This type of electrolytic capacitor boasts an extremely low steady state ESR of ~0.6 ohms, making it well suited for use in high frequency switching power supplies, automotive audio amplifiers, and other current-limited, high-power applications.

Application Field

The 50YXG100MEFCT78X11.5 aluminum electrolytic capacitor is primarily used in high temperature, high power applications. Examples include high frequency switching power supplies, automotive audio power amplifiers, and other high current loads. It is also well suited for use in extreme temperature applications where reliability is crucial as its operating temperature range is -40℃ to +105℃.

Aluminum electrolytic capacitors are often used as filters, surge protectors, or helpers in noise shapers, oscillators, and other RF circuits. They are also used to provide a DC voltage to a circuit to start up or reset a microcontroller.

Working Principle

The 50YXG100MEFCT78X11.5 aluminum electrolytic capacitor is constructed from two thin shunt-electrodes. The first electrode is an aluminum foil, which is the anode. This is then covered with a layer of electrolyte soaked porous paper which serves as the catalyst for the charge-storage mechanism. The second electrode is an aluminum oxide layer, which acts as the dielectric. This layer is formed by anodic oxidation process on the aluminum foil.

When a voltage is applied to the capacitor, electrons are drawn from the aluminum anode and attracted to the catalytic paper, forming a positive charge on the anode. This attracts ions from the electrolyte, forming a negative charge on the paper. This attracts electrons from the aluminum oxide layer, forming a positive charge on the silver oxide layer. This results in two oppositely charged layers on the capacitor, and therefore creating the stored energy in the form of a potential difference.

To release the energy stored, an external device is required to bridge the gap between the capacitor and the power source. This device uses the same principle as a diode, and is known as a free wheel diode. It allows the capacitor to discharge its energy by providing an alternate path for the electrons to flow. This is done at the same rate as they are being charged, thus ensuring that no energy is lost.

Conclusion

The 50YXG100MEFCT78X11.5 aluminum electrolytic capacitor is a relatively new type of capacitor which provides a high level of reliability and a wide operating temperature range. It is primarily used in high temperature, high power applications such as switching power supplies, automotive audio amplifiers, and other high current loads. Its unique construction and working principle allows it to store and release energy with high efficiency, making it an ideal choice for these types of applications.

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