UHE1H471MHD3

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Aluminum electrolytic capacitors are one of the most popular types of capacitors used in a wide range of applications, from DC power supplies and voltage regulators to acoustic and radio frequency applications. And UHE1H471MHD3 is one of these aluminum electrolytic capacitors. This capacitor has a rated capacitance of 471 mF, at an operating voltage of 63 VDC and a ripple current rating of 15AV.

Aluminum electrolytic capacitors consist of an anode and a cathode, made of aluminum foil and separator paper, respectively, placed side by side and enclosing the electrolyte. The anode and cathode are separated by a thin dielectric film, formed when the foil is exposed to a strong acid electrolyte. The electrolyte acts as an ionbridge between the two electrodes and makes possible the flow of current through the capacitor.

Application Field

UHE1H471MHD3 is typically used in direct current power supplies and voltage regulators, where it can provide high storage capacity and low ESR. With its low ESR, it is capable of handling high ripple currents over a wide frequency range. This capacitor is also used in other complex circuits with asymmetric waveforms, such as found in AC/DC converters and DC-DC converters. Additionally, it is suitable for applications in high-frequency switching power supplies, and as output smoother or compensator.

UHE1H471MHD3 is also used in audio or radio frequency applications, where it can store energy and discharge it when the oscillations stop. In this case, it can be used as a filter capacitor or a voltage regulator. Additionally, it can be used for power supply smoothing and filtering, which helps reduce high-frequency noise generated by power source spikes.

Working Principle

The working principle of an aluminum electrolytic capacitor is quite simple. When a potential difference is applied across its terminals, the electrons flow through the capacitor, creating an electrical field in between the two electrodes. This electrical field forms the dielectric barrier, preventing further current flow. As the electrons accumulate, they create a temporary electric field which stores energy and forms the capacitance. This stored energy can be discharged when the potential difference across the terminals is changed.

The capacitor’s capacitance is largely determined by its size, shape, dielectric material and the number of plates within its structure. In the case of aluminum electrolytic capacitors, the larger the foil area, the higher the capacitance. As such, UHE1H471MHD3 could provide high capacitance when compared to other capacitors, especially when operating at high voltages.

The UHE1H471MHD3 is an excellent choice when a high capacitance along with an excellent ripple current rating is needed for various applications. Its high capacitance and low ESR enable it to be used for demanding applications such as DC power supply and audio or radio frequency applications, where it can help with filtering, smoothing and voltage regulation.

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