B41821A6476M

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Aluminum Electrolytic Capacitors are versatile electronic components used in a variety of applications, from cooling fans and motorized toys to medical and military equipment. The B41821A6476M is one such capacitor and is known for its excellent temperature stability, high capacitance value, and low cost.

The most common application of this type of capacitor is in power supplies. Additionally, they are used in AC/DC and DC/DC converters, motor drives, computer motherboards and graphics cards, high frequency oscillators, and frequency synthesizers. In all these applications, the capacitor helps to regulate the amount of current that is supplied to the electrical device.

The working principle of an aluminum electrolytic capacitor is quite straightforward. It consists of two metal plates (anode and cathode) separated by an insulating material. The anode is typically aluminum or tantalum and is covered with a thin layer of oxide. The cathode is usually made of anion-exchange paper. When voltage is applied to the plates, ions from the electrolyte solution flow between them and form a capacitance. This capacitance is determined by the surface area of the plates and the distance between them. This allows current to flow, store energy, and release it as needed.

The B41821A6476M is an especially robust capacitor with an extended temperature range. It is rated for temperatures up to 105°C (221°F) and has an expected lifetime of up to 500 h. Additionally, it offers a capacitance ranging from 4.7 to 800 µF and features low ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance).

In addition to its common applications in power supplies, the B41821A6476M is also ideal for use in switching power supplies, LCD backlighting systems, and in circuits with high voltage or high ripple current requirements. Moreover, its extended temperature range makes it suitable for aerospace and automotive applications.

In conclusion, the B41821A6476M is a robust aluminum electrolytic capacitor with excellent temperature stability, high capacitance value, and low cost. It is suitable for a wide range of applications, including power supplies, switching power supplies, LCD backlighting systems, and circuits with high voltage or high ripple current requirements. Additionally, its extended temperature range makes it suitable for aerospace and automotive applications.

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