E81D251VNN561MR40N

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Aluminum electrolytic capacitors are a type of capacitor that use an electrolyte, an ionic conducting liquid, as the dielectric medium. These capacitors are typically characterized by their dielectric breakdown voltage, dielectric constant, equivalent series resistance (ESR), temperature coefficient, and self-discharge rate. They are commonly used in a variety of electronic applications, including consumer electronics, automotive electronics, and industrial applications.

The E81D251VNN561MR40N is an aluminum electrolytic capacitor with a rated capacitance of 251V and a rated ripple current of 40mA. This capacitor is particularly suited for power supply filtering applications. It offers a wide operating temperature range of -40 to +85C, making it suitable for use in a variety of environments.

The E81D251VNN561MR40N utilizes aluminum oxide as its dielectric medium, providing it with a very high energy density and excellent stability. This capacitor also offers a very low ESR rating of 0.22Ω, which allows it to operate more efficiently and with less heat generation. Additionally, it has a relatively small size and is available in a variety of sizes and shapes. This makes it ideal for use in applications with space constraints such as portable consumer electronic devices.

The working principle of the E81D251VNN561MR40N is based on the fact that aluminum oxide is a semiconductor material, meaning it can act as an insulator or conductor depending on the level of voltage applied. When a voltage is applied across its terminals, the oxide layer begins to conduct, allowing current to flow. This current flow creates an electrostatic field, which stores electrical energy. The stored energy is then released to the circuit when the voltage is removed.

The E81D251VNN561MR40N is generally used in power supply design and can be used in power supplies, motor-driving circuits, and other high-power applications. Its desired features, such as high current capacity, low ESR, and excellent capacitance/voltage characteristics make it a popular choice for many applications.

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