UPM1C821MPD1TD Capacitors

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Aluminum electrolytic capacitors are the most commonly used type of capacitors due to their cost effectiveness, high dielectric strength, and wide range of applications. The UPM1C821MPD1TD is an example of a radial aluminum electrolytic capacitor with a snap-in terminal design. It is a polarized capacitor with a long life span and excellent temperature characteristics, making it ideal for use in a variety of industrial and consumer applications.

The UPM1C821MPD1TD is a 2.2 µF, 160-volt aluminum electrolytic capacitor with a 20% tolerance and a maximum ripple current of 47.1 mA. Its two outer terminals are intended for snap-in mounting into a printed circuit board. The snap-in design helps with vibration resistance and thermal dissipation. It also helps prevent the accidental reversal of the polarity during installation, which can damage the capacitor.

The working principle of aluminum electrolytic capacitors is based on two layers of aluminum foil separated by an electrolyte. The aluminum foil acts as a dielectric, and when a voltage is applied across the plates, an electrical field is generated between them. This electrical field stores energy in the form of an electric potential.

Due to the capacitance of the capacitor, an AC signal applied to the plates produces a current proportional to the applied voltage. This is known as a capacitive reactance, which limits the amount of current that can flow through the capacitor. This reactance is why aluminum electrolytic capacitors are considered to be an excellent choice for use in AC circuits.

The temperature characteristics of aluminum electrolytic capacitors are also important to consider when choosing the right capacitor for an application. The UPM1C821MPD1TD has an operating temperature range of -40°C to +105°C, with a maximum operating temperature of 85°C. This is important when using the capacitor in applications that may be exposed to high temperatures, such as motors, welding equipment, and power supplies.

The UPM1C821MPD1TD is a versatile aluminum electrolytic capacitor that is well-suited for a variety of applications, including general filtering and power conditioning, energy storage, and signal coupling. Its snap-in terminal design and high ripple current capacity make it an ideal choice for use in a variety of circuits. Its excellent temperature characteristics also make it suitable for use in high temperature applications.

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