B43501A3477M80

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor is a type of capacitor that uses an electrolytic solution to operate, and is composed of an anode, a cathode, and several layers of alternating dielectric material. This type of capacitor is often used in situations where high capacitance values are needed in a small package. The B43501A3477M80 is a popular aluminum electrolytic capacitor that boasts both high capacitance value and compact size, making it a popular choice within its application field.

Application Field

The B43501A3477M80 is ideal for a variety of applications, including digital and analog signal filtering, power circuitry, and motor control. Its high capacitance value (470µF) and low equivalent series resistance (ESR) make it an ideal choice for low-noise signal filtering. Additionally, its high capacitance to volume ratio (3.35µF/mm3) makes it an excellent choice for power circuitry applications, allowing more energy to be stored in a smaller package. Finally, its moderate impedance characteristics make it perfect for motor control applications because it provides excellent start-up and load-holding characteristics without significantly impacting the efficiency of the motor.

Working Principle

The B43501A3477M80 operates on the same principle as any other electrolytic capacitor: positive charges are collected in an electrolyte between a conductive anode and a dielectric material, and a negative charge is built up on the cathode. The size of the charge is determined by the amount of current that flows through the capacitor. The dielectric material that separates the anode and electrolyte, along with the thickness of the capacitor’s electrolyte, determines the capacitance of the capacitor. The amount of ESR of the capacitor is determined by the resistance of the electrolyte and the geometry of the capacitor.

The B43501A3477M80 is a unique capacitor because it utilizes a combination of features that allow it to achieve high capacitance values in a small package. This combination of features include a non-polarized electrolyte, an anode dielectric of aluminum oxide, a narrow electrode gap of 10 μm, and a special coating to increase dielectric performance. These features combine to create an aluminum electrolytic capacitor that is both small and capable of handling large currents.

Conclusion

The B43501A3477M80 is a popular choice when it comes to aluminum electrolytic capacitors. It is ideal for digital and analog filtering, motor control, and power circuitry applications. Its combination of features, including a non-polarized electrolyte and an anode dielectric of aluminum oxide, provide a high capacitance value in a small package. Its high capacitance to volume ratio allows more energy to be stored in a smaller space, while its moderate impedance characteristics provide excellent start-up and load-holding performance for motor control applications.

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