107XMPL004MG19

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Aluminum - Polymer Capacitors

107XMPL004MG19 application field and working principle

Aluminum - polymer capacitors, also known as electric double-layer capacitors, are electric capacitors, which combine an electric double-layer with a pseudo-capacitance within an electrolyte, to form an energy storage device. In terms of structure, they feature a polarized or non-polarized aluminum and polymer as the principle capacitors’ electrolyte and an anode structure of porous electrolytic solid, carbon nanotubes, or modified paper and an anode structure of capacitors with two electrodes in a liquid electrolyte.

When electric devices require peak current during operation, aluminum - polymer capacitors could be used to provide a peak current of 40A-400A, far higher than the peak current provided by traditional electrolytic capacitors in the application field. Due to their wide range of characteristics, these types of capacitors have been widely applied in different industries, such as Medical Equipment, Power Supplies, Automotive, Renewable Energy, Industrial Electronics, Wireless Communication, etc.

In terms of working principle, aluminum - polymer capacitors take advantage of the physical phenomenon found in the adsorption of a certain liquid molecules, which are the larger molecular weight molecules normally present in the electrolytes, with a positive dielectric layer to create a double-layer effect that serves as the storeH2> of charge. Moreover, they use the phase-separation effect of the polarized liquid molecules and the ionic conductor of the solid polymer electrolytes to increase the capacitance or charge of the capacitors. Through this principle, the aluminum - polymer capacitors can provide a higher safety and stability with no risk of breaking down, even when the voltage and current are in an imbalance.

107XMPL004MG19 series aluminum - polymer capacitors adopt the anode structure with solid polymer electrolyte, carbon nanotubes or modified paper, and a polar foil electrolyte, and their capacitance is up to 40000uF, much higher than that of the traditional electrolytic capacitors. In addition, these capacitors feature low ESR ratings and low impedance, which makes them ideal for applications requiring high peak currents and low ripple current. Furthermore, they have a long life, up to 10000 Hrs at 105C, as well as rated temperatures up to 125 C, making them an ideal choice for applications involving high operating temperature environment.

In conclusion, aluminum - polymer capacitors have a wide range of applications and the 107XMPL004MG19 series is characterized by high capacitance, long life, low ESR and low impedance, which makes them ideal for high power applications. Therefore, they can be generally applied in Medical Equipment, Power Supplies, Automotive, Renewable Energy, Industrial Electronics, Wireless Communication, etc.

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