MAL210168104E3

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Aluminum electrolytic capacitors are widely used in many fields and are essential components of electronic devices. The MAL210168104E3 is a typical aluminum electrolytic capacitor. It is a molded type aluminum electrolytic capacitor which has many advantages such as good heat resistance, high stability, long life, and better mechanical strength. The MAL210168104E3 is widely used in mobile phones, computers, and other electronic devices.

The MAL210168104E3 aluminum electrolytic capacitor is composed of an aluminum cylinder, electrolyte, two leads and sealant materials. The aluminum electrode is implemented as two concentric aluminum foil electrode. The outer layer of the aluminum foil is etched and the dielectric is provided by the thin oxide film created by anodizing. The inner aluminum foil is etched to form a number of wavy plates. A large number of wavy plates are connected in parallel, the capacitance value is determined by the contact area between the electrodes. The anode and cathode of the capacitor are connected by leads, the inside of the aluminum can is filled with electrolyte and sealed by a retaining sealant.

The working principle of an aluminum electrolytic capacitor is based on the principle of electrolytic corrosion. This principle states that when electrical current under the correct conditions flows through the electrolyte solution, an aluminum hydroxide layer will form on the aluminum electrode surface. This process is called electrolytic corrosion. The oxide film formed by electrolytic corrosion acts as the dielectric of the capacitor and due to the irreversible chemical reaction between the electrolyte and the oxide film, the capacitance value won\'t change during the normal use. When the applied voltage is high enough, the oxide film will breakdown and cause electric arc, which leads to the failure of the aluminum electrolytic capacitor.

MAL210168104E3 aluminum electrolytic capacitor is used in many applications such as power supplies, DC-DC converters, and audio amplifiers. In power supplies, it is used as a buffer capacitor to compensate the AC ripple generated by the switching power supply circuit. In DC-DC converters, it is used for EMI rectification which involves converting high-frequency noise to DC. It is also used in audio amplifiers to supply the output current.

In conclusion, MAL210168104E3 is a typical and widely used aluminum electrolytic capacitor. It is composed of an aluminum cylinder, electrolyte, two leads, and sealant materials. Its working principle is based on the principle of electrolytic corrosion where electrical current causes an aluminum hydroxide layer to form on the aluminum electrode surface. This oxide film is used as the dielectric of the capacitor which provides insulation between the anode and cathode. The capacitor is used for many applications such as power supplies, DC-DC converters, and audio amplifiers.

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