EKZE630ETD121MJ16S

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Aluminum electrolytic capacitors, abbreviated as AECs, are electronic capacitors that are used for a variety of applications, such as power filtering, energy storage, and voltage transient suppression. The particular capacitor we will be discussing in this article is the EKZE630ETD121MJ16S.

An aluminum electrolytic capacitor consists of an anode, which is a thin sheet of highly pure aluminum, a cathode, which is an aluminum oxide layer surrounded by a strong electrolyte, and two lead wires. The aluminum oxide layer acts as an insulating layer which, when a voltage is applied and through the process of electrolysis, allows electricity to pass through. This process, known as polarization, increases the capacitance of the capacitor. When the voltage is removed, the anode and cathode are left in an oppositely charged condition, allowing for energy storage.

The EKZE630ETD121MJ16S is a miniature, surface-mount, snap-in-type capacitor, designed for applications where high capacitance-to-volume ratios are desired. It has an operating temperature range of -55 to +125 °C, a maximum capacitance of 630 μF, and a maximum operating voltage of 35 V. Its size is 4 x 11 x 5.2 mm and it weighs about 4.2 g.

Due to its high capacitance-to-volume ratio, this capacitor is well-suited for applications like power filtering, energy storage and voltage transient suppression, and is often used in automotive and consumer electronic products. It is also appropriate for industrial applications such as power supplies, uninterruptible power supplies, audio systems, and other devices requiring high reliability.

The EKZE630ETD121MJ16S has a robust construction and an electrolytic tantalum polyester (ETP) dielectric. This combination allows for greater withstand ratings and voltage spikes than other aluminum electrolytic capacitors. It also has a very low ESR (Equivalent Series Resistance) that, combined with its high capacitance-to-volume ratio, produce very low inductance values. This translates to increased efficiency and reduced power loss.

Aluminum electrolytic capacitors are used because of their relatively high capacity, good efficiency, and wide range of available operating voltages. The EKZE630ETD121MJ16S is particularly suited for outputs with high peak power demands where space is limited. Its small size and low cost make it an ideal choice for applications where power filtering, energy storage, and voltage transient suppression are all paramount factors.

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