APXS100ARA121MF61G

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Aluminum-polymer capacitors (APXS100ARA121MF61G) are part of a family of electrolytic capacitors that bring together both the benefits of electrolytic and polymer capacitors. They boast an extremely compact design and a wide temperature range, allowing them to be used in a variety of demanding applications. In this article, we’ll take a look at APXS100ARA121MF61G application field and working principle.

APXS100ARA121MF61G capacitors feature a resilient, high-performance design and boast a broad range of uses. They are widely used in automotive systems, power tools, industrial and consumer appliances, communications systems, standby power, LED lighting, and many other energy saving applications. These aluminum-polymer capacitors are suitable for use in high power density, low-noise and high-efficiency applications.Thanks to its combination of electrolytic and polymer components, APXS100ARA121MF61G leads the industry with its ability to minimize the physical size, while delivering high capacitance values.

The design, construction, and function of aluminum - polymer capacitors are generally consistent with those of standard electrolytic capacitors. Aluminum-polymer capacitors feature a combination of an anode, cathode, and dielectric (the metal foil plus the polymer materials) that allow a capacitor to store electrical energy. The metal foil portion of this construction is the anode and is made from aluminum. The two metal electrodes are then dipped in a liquid electrolyte, which helps enhance their performance as a capacitor.

The liquid electrolyte also serves as the cathode for the capacitor. When a voltage is applied across the resistor, a current is created, which then charges the capacitor. As current flows through the cathode, the electrolyte delivers cations to the metal foils, depositing the metal ions onto the charged surface. This allows the capacitor to store a charge.

As its name implies, the aluminum-polymer capacitor utilizes both aluminum and polymer components which work together to provide high capacitance values in a small package. Polymer capabilities give the aluminum-polymer capacitor a much higher capacitance-voltage (CV) ratio than traditional aluminum electrolytic capacitors. The effect is that aluminum-polymer capacitors provide a great deal more capacitance in a much smaller package.

In comparison to traditional aluminum electrolytic caps, Aluminum-polymer capacitors also offer superior temperature cycling characteristics and improved performance in high-temperature environments. This increased reliability is largely due to the polymer dielectric and the combined design of the anode and cathode dynamic layers.

Aluminum-polymer capacitors are also known for their self-healing capabilities. Self-healing is a phenomenon that occurs in high-temperature or high-voltage environments wherein filaments form between the anode and the electrolyte. These filaments are subject to dielectric breakdown, which can cause irreparable damage to the capacitor. However, with aluminum-polymer capacitors, the self-healing process quickly repairs any damage caused by dielectric breakdown.

In summary, aluminum-polymer capacitors are a good option for applications that require large capacitance values in a small package. They offer superior temperature-cycling characteristics and self-healing capabilities, allowing them to remain reliable in hostile environments. They are well-suited for a variety of applications, including automotive systems, power tools, industrial and consumer appliances, communications systems, standby power, and LED lighting.

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