B43305B2477M80

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Aluminum electrolytic capacitors are a type of capacitor that is widely used in the electronics industry. The B43305B2477M80 is a non-polarized aluminum electrolytic capacitor with a rated voltage of 80V and a capacitance of 47μF. This capacitor is great for applications such as high frequency DC-DC converters and AC-DC converters, inverters, displays, switches, lighting, multiplexers, and other similar circuits. It has low ESL and low ESR values that provide stable performance with low losses. Its lifetime at +105°C and its maximum ripple current capability make it suitable for various applications where high reliability is required, such as in automotive and industrial controls.

The core of a B43305B2477M80 aluminum electrolytic capacitor is composed of two metallic electrodes (anode and cathode) that are separated by an electrolytic barrier. The aluminum is usually etched or plated with a dielectric (aluminum oxide). This dielectric exhibits a high dielectric constant, typically around 7-13, when exposed to a given voltage. When the capacitor is fully charged, the dielectric stores energy in the form of an electric field. The larger the capacitor, the higher the capacitance, and the more energy it can store.

The working principle of a B43305B2477M80 aluminum electrolytic capacitor is simple. When current is passed through it, a voltage is applied at the anode electrode, causing a chemical reaction in the electrolytic barrier, which releases electrons (the current flow) and creates a layer of oxide at the anode. As current terminates, electrons flow back and repolarize the oxide layer, allowing current to be again applied and reversing the charging process. This process of charging and discharging is repeated each time a voltage is applied to the capacitor.

B43305B2477M80 aluminum electrolytic capacitors are very efficient capacitors with high power density, long life, and good temperature and frequency response. With their outstanding electrical characteristics, high efficiency, and low ESR, they are used in a range of applications including power supplies, automotive equipment, voltage and frequency converters, and much more. They offer better reliability and voltage capability than other types of capacitors, making them a great choice for many power management tasks.

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