SPSX391M0ER-4

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Aluminum - Polymer Capacitors

An aluminum-polymer capacitor (ALCAP) is a type of electrochemical capacitor that incorporates aluminum electrolytic capacitors and organic polymer composite materials. Aluminum-polymer capacitors have various applications, such as in automotive electronics, mobile phone power supplies, and power converters.

SPSX391M0ER-4 application field and working principle

The SPSX391M0ER-4 aluminum-polymer capacitor is a low-ESR (equivalent series resistance) power capacitor, designed for use in DC-DC applications, such as for switching power supplies and LED lighting. It is rated at 10 volts, with a maximum ripple current of 50 amps and an operating temperature range of -40 to +85°C.

The SPSX391M0ER-4 aluminum-polymer capacitor works by storing a charge of electrons on two conductive plates, separated by a dielectric material. The two plates act as parallel capacitors, with the dielectric material separating them. As a result, electrons can flow in and out of the capacitor, depending on the magnitude of the voltage applied across them. Thus, the capacitor can store electric energy as a charge, and can act as a source of current in applications such as switching power supplies and LED drivers.

The SPSX391M0ER-4 aluminum-polymer capacitor is an excellent choice for a wide variety of applications. It has a very low equivalent series resistance, which helps to reduce conduction losses, improving efficiency and performance. It also offers excellent low ESR characteristics and an extremely wide temperature range, making it suitable for use in a wide variety of applications. In addition, the capacitor has a very low self-discharge rate and excellent rated life characteristics. As a result, it is extremely reliable and can handle demanding applications with ease.

In summary, the SPSX391M0ER-4 aluminum-polymer capacitor is an excellent choice for a variety of applications, including for use in switching power supplies, LED lighting, and other DC-DC applications. It offers low ESR characteristics, low self-discharge, and excellent rated life. It is also capable of providing reliable operation and performance in a wide temperature range.

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