UPM1HR47MDD1TD Capacitors

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are the most common form of capacitors used today in applications ranging from consumer electronics to power supplies. Aluminum electrolytic capacitors feature an electrolyte, usually a liquid or gel, which forms an electrolytic barrier between two plates of aluminum. These plates are etched in a pattern to create a high surface area for increased capacitance.

The UPM1HR47MDD1TD is an aluminum-electrolytic capacitor from a popular line of laborious capacitors from Panasonic. The UPM1HR47MDD1TD is a 47µF capacitor, with a maximum operating temperature of 105°C and a minimum wide temperature range of ­40°C. The capacitor\'s capacitance values range from 8uf to several thousand microfarads and its high-ripple current, high-temperature and ultra-low impedance characteristics make it suitable for a number of different applications.

Application Field:

The UPM1HR47MDD1TD can be used in a wide range of applications requiring extreme voltage, high-ripple current, low-E SR and high stability characteristics. These applications include power conditioning and noise filtering circuits, output of DC/DC converters, and PC motherboard circuits, in addition to a wide variety of other applications in consumer, automotive and industrial markets.

Working Principle:

The working principle of an aluminum electrolytic capacitor is based on the electrical double layer theory. When an electrical double layer (EDL) is formed at the anode-electrolyte interface, an electric potential difference is created, resulting in an electric field across the anode and cathode. This electric field then sets up an electrostatic charge balance across the capacitor, resulting in a capacitance. When the voltage across the capacitor increases, the EDL accelerates, resulting in an increase in the capacitance. When the voltage decreases, the EDL is eliminated and the capacitance returns to its original value. Therefore, the capacitance of the capacitor is directly proportional to the applied voltage.

Aluminum electrolytic capacitors are typically constructed of two aluminum foils, both of which are then chemically etched to create a higher surface area. The aluminum foils are insulated by a thin dielectric film, usually made of polyester or polypropylene, and then electrolytic solution (often made of a mixture of boric acid and water) is used between the aluminum foils and the dielectric to enhance the electrical double layer. The construction of a capacitor makes it capable of storing an electrical charge for a long period of time with minimal energy loss.

The UPM1HR47MDD1TD capacitor has an exceptionally low ESR and high ripple current rating. This means that the capacitor is able to absorb and store a high amount of energy, making it ideal for high-power applications where large amounts of power need to be absorbed and stored in a short amount of time. Additionally, the capacitor has a high AC voltage rating and a wide operating temperature range, making it suitable for a wide range of applications.

The UPM1HR47MDD1TD is a highly capable aluminum electrolytic capacitor that is suitable for a wide range of applications where extreme voltage, high-ripple current, low-ESR and high stability characteristics are desirable. Its wide operating temperature range and high ripple current rating make it the ideal choice for a variety of electronic applications, making it one of the most popular aluminum electrolytic capacitors in the market today.

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