25ZT220M8X16

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor is a type of electrolytic capacitor which works by using aluminum oxide as a semiconductor on one of its plates. This type of capacitor has a wide range of applications in electronics and is also a relatively low-cost component.

25ZT220M8X16 application field and working principle

The 25ZT220M8X16 is a capacitor with a maximum operating voltage of 16 VDC. It has an impedance of 420mΩ at 1KHz and a maximum capacitance of 220µF. It is a radial leaded aluminum-electrolyte type of capacitor with a relatively low ESR of 0.06Ω. It is often used in audio applications, particularly in power supplies, as well as in automotive electronics and LED lights.

An aluminum electrolytic capacitor is made up of two plates, one of which is made of aluminum foil that has been etched away, creating tiny pores. The other plate is made of aluminum oxide. The plates are close to each other but not in contact, held apart by a separator and are immersed in a conductive electrolyte which is usually a mixture of water and boric acid. When the capacitor is connected to a voltage source, the aluminum oxide plate develops a negative charge and the aluminum plate a positive charge. This causes an electric field to form in between the plates, thus storing energy.

Some of the advantages of aluminum electrolytic capacitors include their relatively low cost, low equivalent series resistance (ESR) and high capacitance. In addition, their self-healing properties make them well suited for applications that require long life and frequent cycling.

In summary, the 25ZT220M8X16 is a radial leaded aluminum-electrolyte type of capacitor which is often used in audio applications, particularly in power supplies, as well as in automotive electronics and LED lights. Its relatively low ESR and high capacitance make it ideal for these applications.

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