SEK222M035ST

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Aluminum electrolytic capacitors are essential components in power electronics applications, and SEK222M035ST is one of the most widely used. It is a miniature high temperature aluminum electrolytic capacitor which is suitable for power module local filtering and voltage stabilization applications.

SEK222M035ST is a low impedance, miniature, high temperature aluminum electrolytic capacitor, and the nominal capacitance is 2200μF, working voltage is 35V, and impedance ≤ 35mΩ. It is less than 4mm in diameter and 10mm in length. It is much smaller than the traditional aluminum electrolytic capacitor, yet can offer almost 2.5 times as much capacitance and 10 times better performance in high temperature application.

The working principle of SEK222M035ST is similar to all aluminum electrolytic capacitors. It consists of two layers of aluminum foil separated by a highly porous membrane saturated with electrolyte. For the electric charge to be stored in the capacitor’s dielectric, electric field is required to polarize the membrane, ie, to separate positive and negative charges on both sides. As current is applied to the capacitor, electric field will be generated to magnetize the membrane, producing an electrical charge. This charge will be stored in the electric field and will remain until removed by opposed current flow.

The major application of SEK222M035ST is in power module local filtering and voltage stabilization. With its low impedance and miniature size, it has proven to be the perfect component and solution for power module manufacturers. It has been widely applied in computers, consumer electronics and industrial products. Being able to endure the high-temperature and high-frequency environment, SEK222M035ST can reduce PC board space, simplify circuitry and significantly increase the overall performance in many consumer and industrial products.

In summary, SEK222M035ST is a miniature aluminum electrolytic capacitor that offers high capacitance and hence, works well for power modules local filtering and voltage stabilization. The advanced design and high temperature tolerance allows it to be used in consumer electronics, computers and industrial applications, where size and performance are critical.

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