477XMPL002MG19

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Aluminum-polymer capacitors, commonly abbreviated as Al-polymer capacitors, are a form of capacitor composed of an anodized aluminum layer sandwiched between two porous polymer layers, as well as polymer electrolytes which are embedded in the porous layers. The term aluminum-polymer capacitors is also sometimes used to refer specifically to the commercially available kinds of aluminum-polymer capacitors, which can be divided into two main groups, ionic and electronic.

The 477XMPL002MG19 aluminum-polymer capacitor can be classified as an electronic type aluminum-polymer capacitor. Its current application field mainly involves consumer electronics products such as portable devices, smartphones, and smart appliances, for applications such as, but not limited to, dc to dc converters, adapters, and audio amplifiers.

The main principle behind how an aluminum-polymer capacitor works is that the two rigid polymer layers and electrolyte structure act as a filter, allowing electrons to pass through but blocking the flow of ions. Thus, while the capacitance of an aluminum-polymer capacitor can vary based on applied voltage, its resistance stays quite constant. When the applied voltage reaches a certain threshold, the electrolyte is forced through the pores of the polymer layers, resulting in an ionic current that is proportional to the applied voltage and the amount of electrolyte present.

The 477XMPL002MG19 aluminum-polymer capacitor has an operating voltage range of 2.0V to 2.5V, and a tolerance range of ±20%. This capacitance is ideal for applications such as dc-dc converters, solar panels, and data communication devices, as this range is the standard for consumer electronic products. In addition, this capacitor features a low ESR (equivalent series resistance), making it suitable for alternators, inverters, and other power converters that require high-power density and high switching speeds.

This aluminum-polymer capacitor also provides high levels of capacitance stability and reliability over a wide range of temperatures and humidity levels. This is achieved through the use of special dielectric materials, which are pre-compressed and sealed under a special vacuum process, forming an effective barrier that prevents moisture and other contaminants from entering. This results in superior performance in terms of high operating temperature, superior thermal characteristics, and high operating voltage.

In conclusion, the 477XMPL002MG19 aluminum-polymer capacitor can be classified as an electronic type aluminum-polymer capacitor. Its current application field mainly involves consumer electronics products such as portable devices, smartphones, and smart appliances. Its main working principle involves the use of two rigid polymer layers and electrolyte acting as a filter, allowing electrons to pass through but blocking the flow of ions. This capacitor is suitable for applications such as dc-dc converters, solar panels, data communication devices, alternators, inverters, and other power converters. It also provides high levels of capacitance stability and reliability over a wide range of temperatures and humidity levels.

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