B43540E2188M000

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Aluminum electrolytic capacitors are one of the most common types of capacitors available. They are made of an aluminum foil anode and dielectric, with a cathode of electrolytic paper impregnated with an electrolyte. The electrolyte helps to make a barrier between the anode and cathode. When a voltage potential is applied, the electrolyte breaks down, allowing electrical current to flow through the capacitor.

The B43540E2188M000 is an aluminum electrolytic capacitor from EPCOS in the BCY, KTY, and BFC series. It features a radial lead and is housed in a snap-in case with no top cover. It has a voltage of 20 VDC and a capacitance of 18 μF.

These capacitors are commonly used in audio-amplifiers, active speakers, DC-DC converters, and power supplies. The B43540E2188M000 is typically used in applications where high capacitance and high-voltage requirements are needed. Additionally, this capacitor can be used in low ESR applications like in switching regulators or DC-DC converters since its ESR is significantly lower than aluminum electrolytic capacitors of the same capacitance.

The working principle of an aluminum electrolytic capacitor is based on Faraday’s law of electrolysis. When voltage is applied to the capacitor, ions from the electrolyte react with the aluminum oxide layer that is formed on the aluminum foil to form aluminum metal. This reaction causes a charge to be transferred from one side of the capacitor to the other. The amount of charge stored is proportional to the capacitance and the applied voltage.

The B43540E2188M000 has a wide range of benefits for use in audio applications, DC-DC converters, and power supplies, including a wide temperature range, long lifetime, and low ESR values. Additionally, the snap-in case and radial leads make it easy to mount in tight spaces. All of these features make this capacitor an excellent choice for a variety of applications.

In summary, the B43540E2188M000 is an aluminum electrolytic capacitor from EPCOS. It is commonly used in audio-amplifiers, active speakers, DC-DC converters, and power supplies. The working principle of this capacitor is based on Faraday’s law of electrolysis, where a charge is transferred from one side of the capacitor to the other. Its main benefits include a wide temperature range, long lifetime, low ESR values, and easy mounting in tight spaces.

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