UPW1J821MHH

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Aluminum electrolytic capacitors are a type of capacitor, commonly used in electronic circuits, that utilizes an electrolyte to store electric potential energy. They are also known as aluminum-electrolytic capacitors, aluminum-electrolytic variable capacitors, and electric double-layer capacitors. Aluminum electrolytic capacitors are composed of two aluminum foil electrodes, which are separated by a thin layer of an electrolyte material. The electrolyte material acts as the dielectric, allowing the stored electric charge in the capacitor to remain stored for prolonged periods of time due to its excellent dielectric properties. The size of the capacitor determines the amount of electric charge that can be stored in the capacitor.

The UPW1J821MHH is a specific type of aluminum electrolytic capacitor that is used in a wide variety of electronic devices, such as portable consumer electronics, home theater systems, and automotive applications. The UPW1J821MHH has a long and useful life span, which is ideal for electronic devices that require a reliable and durable capacitor. Its operating temperature range is between -40°C to +85°C, and rated voltage range is between 1.8 to 16 VDC.

UPW1J821MHH capacitors are usually designed with typical capacitance values of 220μF at a rated voltage of 10V, with a ripple current rating of 0.330A. It has a minimum operating temperature range of -40°C, and a maximum operating temperature range of +85°C. This type of capacitor is also designed with a long-term stability rating of less than 1% for 10000 hours at 105°C.

The UPW1J821MHH capacitor has a high endurance rating and a long lifetime, making it a desirable capacitor for many types of electronic equipment application. In addition, it has a low ESR (Equivalent Series Resistance) at low frequencies, thus making it an ideal choice for power supply decoupling in high power applications. Furthermore, this type of capacitor also has a high ripple current capability which makes it well-suited for high frequency/high power devices that have switching power supplies.

In terms of working principle, an aluminum electrolytic capacitor works using a combination of electrochemical and electrical processes. On one electrode of the capacitor, aluminum ions are injected onto the surface of the aluminum oxide dielectric layer through electrochemical reaction. The amount of ions that can be injected into the dielectric layer is directly proportional to the applied voltage. This injection of ions causes a charge to build across the capacitor’s dielectric layer. On the other electrode, an opposite charge is created due to the electrical connection between the two electrodes. The total charge of the capacitor is determined by the amount of ions injected into the dielectric layer and the applied voltage.

The total capacitance of an aluminum electrolytic capacitor is also determined by the amount of ions that are injected into the dielectric layer and the applied voltage. This capacitance is measured in Farad units and is given the symbol “C”. Generally, aluminum electrolytic capacitors have relatively high capacitance values in comparison to other types of capacitors.

In conclusion, aluminum electrolytic capacitors, such as the UPW1J821MHH, have a wide variety of practical applications due to their high capacitance, long life span, and good performance at high frequencies. They can be used in a variety of electronic equipment applications, such as power supplies for computers, consumer electronics, automotive applications, and home theater systems. The UPW1J821MHH operates using an electrochemical and electrical process, allowing it to store a large electric charge in its dielectric layer, resulting in a reliable and durable capacitor.

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