APXA4R0ARA101MF55G

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Aluminum - Polymer Capacitors are a type of electrochemical capacitor consisting of two or more layers of anodic aluminum film sandwiched between two electrodes. They are used in several different components in both high frequency and low frequency applications.

The APXA4R0ARA101MF55G is a type of Aluminum - Polymer Capacitor specially designed for applications requiring low impedance and very high frequency stability, such as in power supplies, digital signal processing, and automotive electronics. It has a parallel electrode structure with two-layer aluminum film and a dielectric made of polyester film. This capacitor has a low ESR of 0.5-6Ω and a high dielectric withstanding voltage (VMT) of 4000V@55°C. The APXA4R0ARA101MF55G offers excellent characteristics with respect to temperature and frequency stability, low leakage current, and good self-healing properties.

The working principle of this Aluminum - Polymer Capacitor is based on the Faraday Effect. This effect states that when a material is exposed to an external electric field, its conductivity will decrease. This decrease in conductivity creates a barrier layer which increases the capacitance of the capacitor. The capacitance of the APXA4R0ARA101MF55G can range from 1 to 470μF, depending on the operation voltage.

The APXA4R0ARA101MF55G is a part of a family of Aluminum - Polymer Capacitors designed for a variety of applications. It is commonly used in flat panel displays, automotive electronics, power supplies and digital signal processing. It has a low ESR and a high temperature characteristic, making it ideal for these high-frequency applications. It also offers excellent self-healing properties and low leakage current.

Overall, Aluminum - Polymer Capacitors such as the APXA4R0ARA101MF55G are well-suited for applications requiring very high frequency stability, low impedance and high dielectric withstanding voltage. Their features, such as low ESR, good temperature resistance, and self-healing properties, provide the necessary performance needed for their specific applications. The Faraday Effect is the underlying principle of their operation and is responsible for their inherently high capacitance.

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