381EL221M350K022

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Aluminum Electrolytic Capacitors

Aluminum Electrolytic Capacitors have been an integral part of electronic circuits since their inception more than a century ago. Nowadays, these components are increasingly being used in a wide range of applications such as AC/DC conversion, automotive, industrial, medical, telecom, defence, and aerospace. Aluminum Electrolytic Capacitors are mainly comprised of two basic parts: an anode formed of an aluminum foil etched with a pattern of parallel strips; and a cathode formed of an electrolytic paper soaked in liquid electrolyte. They are usually polarized components meaning that the positive terminal must always be connected to the anode and the negative terminal must always be connected to the cathode. A typical Aluminum Electrolytic Capacitor contains an anode, two anode leads, a cathode, two cathode leads, and a liquid electrolyte in between.

The particular component type which will be explored in this paper is the 381EL221M350K022 capacitor. This capacitor is a condensed version of a model found in the Vishay Intertechnology IHLP Series range. These capacitors use a capacitance of 220µF and a current rating of 350mA, which are both typical parameters for this type of capacitor. Additionally, these components possess a wide range of operating temperatures -40 to +85°C, and a high ripple current rating, making them suitable for use in a variety of applications.

The 381EL221M350K022 is a popular choice in applications such as switching power supplies, servers, computers, and gaming consoles, due to its sizable capacitance and high ripple current rating. These components are also commonly used in motor controllers, laser printers, telecom equipment, and electrically-driven vehicles. The total voltage rating of this particular capacitor is 200 volts. In addition, these components have long lifetimes due to their solid aluminum construction. Some of these capacitors can last up to 10,000 hours if used in a controlled environment.

The working principle of the 381EL221M350K022 capacitor is quite simple. When a voltage is applied across the capacitor, an electrical current passes through the capacitor, charging it up. The charge is stored in the capacitor until the voltage across the component drops and the electricity returns to its source. Aluminum electrolytic capacitors are widely used in applications where high capacitance is required within a given volume.

In conclusion, the 381EL221M350K022 belongs to a wide range of aluminum electrolytic capacitors and is suitable for a variety of applications, from AC/DC conversion to automotive and industrial use. The component offers a large capacitance, a high ripple current rating, and a long lifetime, making it a popular choice within the industry. Moreover, its working principle is relatively straightforward: when a voltage is applied, an electrical current passes through the capacitor, charging it up.

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