ALS71A203QT400

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Aluminum electrolytic capacitors are one of the most common types of capacitors available today. The ALS71A203QT400 is a medium-sized aluminum electrolytic capacitor with a long lifespan and numerous applications. In this article, we will discuss the ALS71A203QT400\'s application field and working principle.

What Is an Aluminum Electrolytic Capacitor?

An aluminum electrolytic capacitor is a type of capacitor that uses an electrolyte, typically a mix of ethylene glycol and boric acid, as its dielectric material. The electrolyte is sandwiched between two aluminum electrodes, and since electrolytes are good conductors of electricity, they allow for the movement of charges through the capacitor.

The main advantage of aluminum electrolytic capacitors is their high capacitance. Due to the way in which the electrolyte behaves, it is able to store large amounts of electrical energy, making aluminum electrolytic capacitors useful in circuits where high capacitance is needed.

The ALS71A203QT400

The ALS71A203QT400 is a through-hole aluminum electrolytic capacitor. It has a current rating of 7.2A and a capacitance of 600µF. It also features a long life expectancy of 40,000 hours. This makes it ideal for applications where the device must remain in operation for extended periods of time.

The ALS71A203QT400 features an internal cooling to ensure that it can handle sustained currents without any issues. It has a high ripple current rating of 13A, which makes it suitable for power supply applications. It also features a voltage rating of 400V, allowing it to handle high voltage applications.

The ALS71A203QT400 is certified to meet UL, CSA, and other safety standards. This ensures that it is safe for use in environments where safety is paramount.

Applications

The ALS71A203QT400 is an ideal choice for a variety of applications, primarily those that require a large capacitance and long life span.

It is commonly used in AC-DC power supplies, and can be used in other high power, high voltage applications, such as inverters, UPS, and high power motors. It is also suitable for use in low voltage DC applications such as solar cells and LED drivers.

Due to its low equivalent series resistance (ESR), it is also suitable for use in filter circuits and radio frequency (RF) circuits.

Working Principle

The ALS71A203QT400 follows the same basic principle of operation as all aluminum electrolytic capacitors. When voltage is applied across the terminals of the capacitor, the electrolyte attracts and repels electrons, which then move through the electrolyte, between the two electrodes. This allows the capacitor to store electrical energy.

The capacitance of the ALS71A203QT400 is determined by its electrode design. The thicker the electrode plates, the higher the capacitance. It is also affected by the distance between the electrodes, as well as the type of electrolyte used.

The ALS71A203QT400 is a very reliable and efficient capacitor with numerous applications. Its long life expectancy of 40,000 hours and its ability to handle both AC and DC currents makes it an ideal choice for many power supply and filter applications.

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