EEF-UE0D391LR

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Aluminum-Polymer capacitors, also know as EEF-UE0D391LR, have wide application fields and diverse working principles. Thermally activated conduction mode is used in Polymer capacitors which refers to the charge or discharge process on a certain polymer Film. On the aluminum side, the main principle is to store the charges while allowing to recall it externally when needed. The aluminum-polymer capacitor has three main categories—hybrid, Double and Single Layer. Hybrid aluminum-polymer Capacitors use the aluminum edge piece to hold the charges, while the surrounding materials and the central dielectric elements are based on ultrathin polymer films. This technology allows for self-healing properties, and improved capacitance retention over time, even for extreme environmental variables. Double Layer Polymer Capacitors also use aluminum edge pieces, but the charges are stored differently from the previous technology. In Double Layer Polymer Capacitors, two polymer films are stacked between two metal plates, one to store a positive charge and the other to store a negative charge. These capacitors are also made to tolerate extreme environment and provide longer life-spans and higher reliability than Hybrid. Single Layer Aluminum-Polymer Capacitors are made with only one polymer film between two aluminum plates. This film acts as an insulator between the plates and collects the charges, allowing for a higher frequency, higher capacitance to volume ratio, and improved electrical performance when compared to other types. Aluminum-Polymer capacitors have found a wide range of applications in various industries, such as medical, automotive and aerospace. For instance, they have been found to provide improved heat tolerance, self-healing capacity, and the capability to sustain high temperatures in the most extreme and hazardous environments. Additionally, this type of capacitor has been used in many applications demanding ultra-low ESR levels, such as power supply systems, computer graphics cards and board-based designs. To conclude, aluminum-polymer capacitors, and in particular the EEF-UE0D391LR, can be used in a wide range of applications due to their working principles and high-performing features. The improved performance, heat tolerance and self-healers make these capacitors ideal for extreme environment applications, as well as for high frequency and voltage designs.

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