UPM1H471MHD

Aluminum electrolytic capacitors (also called aluminum electrolytic capacitors, electric double layer capacitors) are electronic components which features the highest capacitance value unit volume from all the capacitors. UPM1H471MHD is a classic aluminum electrolytic capacitor which is suitable for a large range of applications. This article aims to analyze the application fields and working principles of UPM1H471MHD.

UPM1H471MHD is a radial leaded aluminum electrolytic capacitor featuring a cylindrical case and extended typical life of 4000 hours at 85℃ rated temperature. It has a nominal capacitance range of 0.47µF and voltage rating of 50V. The series of UPM1H471MHD is offered with a 3-digit code marking for capacitance value and the corresponding tolerance indicated with a K letter. The capacitor has a formed radial-leaded external electrode that permits a wide range of mounting options. The anode is identified with a black band.

UPM1H471MHD capacitors are best for several applications such as power supplies, filtering, energy storage, and high-frequency pulse. Because of their small size, they are well-suited for space-constrained designs. They are widely used in automotive gadgets, motorized devices, electronic systems and other industries. Moreover, they are used in the PFC circuits to reduce harmonic noise. Owing to their excellent performance, they are also popular in consumer-oriented digital and analog devices as well.

The working principle of a UPM1H471MHD capacitor is based on the fact that electrodes which are immersed in an electrolyte exhibit capacitive behavior. This is explained by the fact that when a voltage is applied between the two electrodes, an electric field is induced in the electrolyte which causes the formation of a thin layer of electrons and ions near the surface of the electrodes. These layers act as a capacitor, thus allowing the exchange of electrical charge between them. As the applied voltage increases, the surface of the electrodes becomes more charged and the capacitance of the electrolyte increases.

The electrolyte used in the UPM1H471MHD capacitor is an aluminum oxide layer that forms on the surface of an aluminum metal after it is exposed to an electric field. This layer acts as a separator between the two metal plates. As applied voltage increases, more electrical charge is stored in the metal, which causes an increase in the capacitance of the electrolyte. The shape of the aluminum oxide layer also affects the voltage character, and the size of the oxide layer is determined by the thickness of the dielectric layer.

Additionally, in order to reduce the electrical loss, UPM1H471MHD capacitors are made with two capacitors in series and a dual anode structure. This helps maintain the high capacitance across the entire range of operating temperatures. Furthermore, the dual anode structure helps reduce the amount of leakage current and also increases the stability of the capacitor.

In conclusion, UPM1H471MHD capacitors are excellent and reliable components which can be used in a variety of electronic applications. They are made with two capacitors in series and a dual anode structure, which increases their stability and reduces the amount of leakage current. Additionally, they can handle a relatively large range of voltage and have a long life span.

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UPM1J181MHD6TN	Nichicon	0.23 $	500	CAP ALUM 180UF 20% 63V RA...
UPM1H271MHD6TN	Nichicon	0.25 $	250	CAP ALUM 270UF 20% 50V RA...
UPM1C102MHD6TN	Nichicon	0.26 $	500	CAP ALUM 1000UF 20% 16V R...
UPM1A272MHD6TN	Nichicon	0.26 $	250	CAP ALUM 2700UF 20% 10V R...
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UPM1C152MHD6TN	Nichicon	0.26 $	500	CAP ALUM 1500UF 20% 16V R...
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