B43231C9187M

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Aluminum electrolytic capacitors are devices for storing and releasing electrical energy, consisting of two electrodes covered with a thin dielectric layer of aluminum oxide. They are found in a wide variety of applications, including signal processing circuits, capacitor microphones, and computer circuitry. The B43231C9187M is a robust, miniature aluminum electrolytic capacitor, utilized in a variety of applications in the consumer electronics industry.

The B43231C9187M aluminum electrolytic capacitor is intended primarily for use in Class 2 and Class 3 applications, with a temperature rise of no more than 30°C. It features low equivalent series resistance (ESR) and high ripple current capability, making it ideal for a variety of audio and video applications where low impedance and high frequency stability are required. This capacitor also features high insulation resistance, making it suitable for high-impedance applications, as well as automotive circuits.

In terms of size, the B43231C9187M is 2.3mm in diameter with a 0.45mm pitch. It has an operating voltage of 25V, a capacitance of 10uF, and a maximum ripple current of 180mA. The capacitor comes with a 4-point heat spreader that ensures uniform current distribution, thus improving heat dissipation and eliminating hot spots. The four contacts also ensure that a stable connection is maintained throughout the entire life of the capacitor.

The working principle of an aluminum electrolytic capacitor is based on the capacitive action of an electrolyte-coated diaphragm. When a potential difference is applied across the capacitor plates, the electrolyte layer expands, creating a high capacitance value. This can be produced by applying a series of alternating current pulses to the capacitor electrodes.

When the voltage across the capacitor plates reaches the capacitor’s rated breakdown voltage, the oxide layer separating the capacitor plates begins to break down, resulting in higher levels of electrical current being drawn from the capacitor. As a result, the capacitor is unable to hold any more charge, resulting in a release of the stored energy. This can be used to create an electrical signal, or to power a device.

The B43231C9187M aluminum electrolytic capacitor is a versatile component that offers high resistance, low ESR, and good heat dissipation. It is suitable for a wide range of consumer electronics applications, such as computer circuitry, audio and video processing circuits, and capacitor microphones. The four-point heat spreader ensures that a stable connection is maintained throughout the capacitor’s lifespan, while the 2.3mm diameter is ideal for a variety of switching and signal processing applications.

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