UKL1J331MHD1TO Capacitors

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, in the shape of a cylinder, are a type of capacitor. The anode in these capacitors is made of aluminum foil with an etched surface, covered with an insulating aluminum oxide film produced chemically or electromechanically. The cathode is made of aluminum foil covered with a very thin insulated metallic layer, such as nickel. The electrolyte, which is an oxide, is placed between these two layers and acts as an additional barrier. The voltage resistivity of the electrolyte helps to limit current flow, something which is important in electronic circuits.

UKL1J331MHD1TO Application Field and Working Principle

Aluminum electrolytic capacitors are widely used in electronic equipment for performance improvements, such as in automotive electronics and medical devices. They also provide a higher capacitance in a small package in comparison to other capacitor types. This makes them ideal for application in space-constrained environments that require high capacity.

The UKL1J331MHD1TO is a high-performance aluminum electrolytic capacitor that is used in automotive, consumer, and industrial applications. It offers superior stability, improved reliability, low equivalent series resistance (ESR) and long-term reliability. The capacitor has a capacitance of 33uF with a maximum operating temperature of 85°C. The UKL1J331MHD1TO is RoHS compliant and AEC-Q200 qualified for automotive applications.

The working principle of the UKL1J331MHD1TO is based on the equivalent electrical circuit of a capacitor, which essentially consists of two electrodes and a dielectric material separating them. When a voltage is applied, electric charges move toward the respective electrodes. This produces an electric field, which in turn produces an electric current between the electrodes, leading to the accumulation of an electric charge.

The electric field created by the charge stored in an aluminum electrolytic capacitor is much higher than that in other types of capacitors. This is because the aluminum oxide layer on the electrode surface acts as an insulator that blocks the external current and limits the charge exchange, allowing for high capacitance. In addition, the electrolyte filled in the gap acts as a barrier layer which further enhances the voltage breakdown performance of the capacitor.

The aluminum electrolytic capacitors also feature self-healing properties. This means that when the capacitor is overloaded, the oxidized layer on the electrode surface can be broken down, allowing current to flow across the electrode gap and forming a conductive channel that removes the electric charges from the bulk material. In this way, the capacitor can avoid burning out and remain functional afterwards.

Overall, the aluminum electrolytic capacitor with the code UKL1J331MHD1TO is an excellent choice for applications that need high performance, reliable operation and long-term longevity. Its low ESR makes it a good choice for use in automotive and consumer electronics applications.

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