B41858C6477M4

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Aluminum electrolytic capacitors are components in electronic devices used to store and regulate electrical energy. They are among the most commonly used types of capacitors and are available in various sizes and shapes. The B41858C6477M4 is an aluminum electrolytic capacitor that has a capacitance of 4.7 μF and a voltage rating of 10 VDC. This capacitor is made of aluminum and has a temperature range of –40 °C to +105 °C. The B41858C6477M4 is a miniaturized electrolytic capacitor and is specified for automated insertion in boards using surface mount technology (SMT) and is also suitable for through-hole mounting.

The B41858C6477M4\'s application field includes automotive electronics, DC/DC converters, fixed frequency regulators, switching applications and consumer electronics. Its design allows for high voltage surge absorption, making it suitable for use in situations that require that. The B41858C6477M4 is also used in self-healing circuits for power supplies and AC/DC converters, due to its high breakdown voltage and long lifespan. It is also widely used in line decoupling applications due to its low inductance and low ESR.

The working principle of the B41858C6477M4 is based on the electrochemical properties of the aluminum cathode. This capacitor is composed of two aluminum foils that are insulated by an electrolyte. When a voltage is applied to the foils, the electrolyte reacts and forms an aluminum oxide layer on the surface of the foils. An electric charge is then stored in this oxide layer, which acts as a dielectric and provides the capacitance value. This layer can be rejuvenated by simply reversing the polarity of the applied voltage. The oxide layer on the B41858C6477M4 is also self-healing, meaning that the capacitor will automatically recover from electrical damage caused by over voltage.

Overall, the B41858C6477M4 is a reliable and useful aluminum electrolytic capacitor due to its excellent high voltage surge absorption, self-healing properties, low ESR and high capacitance. It is designed for automated insertion into boards and can be used in a variety of applications such as automotive electronics, DC/DC converters, consumer electronics, etc. Additionally, its long lifespan and low inductance makes it suitable for line decoupling applications.

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