ALS81U163NF200

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Aluminum electrolytic capacitors, sometimes referred to as "aluminum caps", are a type of capacitor that uses aluminum as the anode and a dielectric electrolyte as the cathode. This type of capacitor has a wide range of applications, but is especially popular in the electronic enthusiast community, as they offer a combination of capacitance, low series resistance, and large working voltage. The ALS81U163NF200 is one of the many aluminum electrolytic capacitors available. This particular device is designed for high-frequency applications such as switching power supplies, inverters, and audio-video equipment.

The ALS81U163NF200 features an extended temperature range of -55°C to +125°C, allowing it to be used in a range of environments, from automotive applications to computer electronics. It has a max working voltage of 200VDC and a capacitance of 1000µF, making it highly suitable for power electronics applications. This high capacitance means that it can store more energy than other types of capacitors, making it particularly useful for higher-power and more demanding applications. It offers a low series resistance of 27 mΩ and excellent ESR capabilities, ensuring efficient power delivery. The design also features low EMI and enhanced endurance for demanding applications.

The working principle of the ALS81U163NF200 is simple: it is essentially two metallic plates separated by a sheet of non-conductive material, such as a paper or dielectric corrugated sheet. When an electric current is applied to the capacitor, an electric field is created between the two plates, causing electrons to flow from one plate to the other. This flow of electrons creates a charge on each plate, which causes an electrostatic force to be exerted on the plates. This force creates an electric field between the two points of the circuit that is responsible for the capacitance of the device.

The capacitance of the ALS81U163NF200, 1000µF in this case, refers to the ability of the capacitor to store a set amount of energy. This energy is released as a pulse of electricity when the electric field between the plates is reversed, enabling the device to be used as a filter for high-frequency noise, or as a charge reservoir in power electronics circuits. It is also important to note that the capacitance of the device decreases with temperature, meaning that it is important to choose an aluminum electrolytic capacitor with an extended temperature range for use in an environment with fluctuating temperatures.

Overall, the ALS81U163NF200 is a reliable aluminum electrolytic capacitor designed for high-frequency applications. It offers a range of features, including a high capacitance, low series resistance, and extended temperature range, making it suitable for use in power electronics, inverters, and audio-video equipment. However, it is important to remember that due to its temperature-sensitive nature, the device must be chosen with an extended temperature range for reliable operation.

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