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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in a variety of applications due to their high performance, long life, low self-inductance and wide capacitance range. They are also popular in applications with varying temperature and harsh environments. The EKMH251VNT472MU80T has a variety of advantages when it comes to applications and working principle.

Application Field

EKMH251VNT472MU80T Aluminum electrolytic capacitors are mainly used in power conversion, which include switching power supplies, UPS, rectifiers, inverters and power modules. It supports a wide temperature range from -40C to +85C, and its long life endurance even under high temperature up to +85℃ enables it to be used in special applications. For example, Printer, Copiers, Office machines, Automobile ECU, Power supplies and Medical Equipment all can benefit from its long life technology.

Power supplies, rectifiers and DC-DC converters are also ideal applications for EKMH251VNT472MU80T aluminum electrolytic capacitors. Their long life technology provides excellent capacity and voltage endurance, which increases the set efficiency. They are also applicable in pulse power circuits, providing excellent ripple current and frequency capacities.

Working Principle

EKMH251VNT472MU80T aluminum electrolytic capacitors are based on the principle of non-linear capacitor, meaning that the charge and voltage on the electrodes varies with time depending on the immediate load. The mechanism behind this principle is that a liquid electrolyte creates a thin layer of oxide on the aluminum electrode at high voltage, which works as a dielectric. The oxide layer is an electrical insulator that only capacitates the charges on the external metal and acts as a capacitor. When the voltage is reduced, the oxide layer dissipates, and the capacitor loses its capacitance.

Since it is non-linear, different types of aluminum electrolytic capacitors have different properties. The EKMH251VNT472MU80T presents a low impedance and high capacitance ratio which makes it suitable for the majority of applications including power conversion and switch mode power supplies. It also provides high frequency ripple characteristics and long life operation even under environments with wide temperature range.

Conclusion

The EKMH251VNT472MU80T aluminum electrolytic capacitor is a high performance product that has many advantages making it a suitable choice for many applications. Its non-linear characteristic allows it to provide low impedance and high capacitance ratio, making it suitable for applications such as power converters, switch mode power supplies, rectifiers and more. Its long life capability even in extreme temperatures enables it to be used in industrial and medical environments. Thanks to its outstanding features, the EKMH251VNT472MU80T aluminum electrolytic capacitor is a perfect fit for many of today’s applications.

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