APXA160ARA390MF55G Capacitors

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Aluminum - Polymer Capacitors (APXA160ARA390MF55G) are a type of advanced capacitor technology that offer high performance in a wide range of applications. They offer a unique combination of high capacitance and low ESR in a very small package. Their design allows for a high capacitance to equivalent series resistance (ESR) ratio, which is most advantageous in high-frequency switching applications such as industrial motor drives or microprocessors. The main applications of Aluminum - Polymer Capacitors are in industrial equipment and consumer electronics.

The main components of Aluminum - Polymer Capacitors are a thin sheet of aluminum foil, a dry polyester film, and an electrolyte. The thin sheet of aluminum foil functions as the main electrode and is the most important part of the capacitor. The polyester film acts as the dielectric and secures the capacitor’s structure. The electrolyte acts as the counter-electrode and provides the electrical current for the external circuit.

The working principle of Aluminum - Polymer Capacitors is based on electrostatic principles. By applying a voltage across the capacitor, charges become polarized in the electrodes. This creates an electric field between the electrodes which then stores energy. This stored energy is released when the voltage applied to the capacitor is removed and the electromotive force disperses the charges across the electrodes.

Aluminum - Polymer Capacitors are used in a wide range of applications, such as power electronics and LED lighting. In LED lighting, they can be used to store large amounts of energy and current, allowing for dimmer control and higher efficiency. In audio equipment and personal computers, they are used to reduce noise and increase peak power. In automotive and industrial equipment they are used to reduce the volume of undesired electrical noise.

Aluminum - Polymer Capacitors provide a low leakage, high capacitance to equivalent series resistance (ESR) ratio, and low ESR value, making them ideal for applications that require high accuracy, quick charging, and fast current delivery. They can also withstand temperatures up to 150°C, and are available in a variety of sizes, with different capacitance and voltage ratings.

APXA160ARA390MF55G Aluminum - Polymer Capacitors have a capacitance of 160 μF, a rated voltage of 390 V, and a maximum voltage of 550 V. They are radial leaded, and their dimensions are 21.4 mm x 10.5 mm x 16.6 mm. Their features include low ESR, extended service life, and a wide temperature range (-40°C to +85°C).

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