B43742A5478M000

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Aluminum Electrolytic Capacitors are widely used in a wide variety of electronics products due to their robust construction and good performance, and the B43742A5478M000 is no exception.

This particular model is a low-voltage, high-frequency capacitance-type capacitance, with a rated voltage of 63V and an endurance voltage of 70V. It is also hermetically sealed, making it ideal for use in critical and extreme temperature applications. Its nominal capacitance is 47uF, and its maximum allowable capacitance is 118uF.

In terms of applications, the B43742A5478M000 can be mainly used in power supplies, automotive and home entertainment equipment, switch power supplies, motor drivers, power inverters, and power transistors. It is also capable of working in a wide range of temperatures ranging from -30°C to 85°C, making it suitable for use in areas with extreme temperatures, such as in motor bearings and computer cooling systems.

The B43742A5478M000 utilizes an anode made from an aluminum foil overlaid with an active material such as manganese or zinc oxide, and the separator is an electrolytic paper. The anodic oxide film acts as a dielectric, and the aluminum layer of the anode is where the electrical charge is stored. This capacitance of the device is then determined by the amount of charge stored within the anode.

The working principle of the B43742A5478M000 is based on the electrochemical characteristics of the aluminum foil, which involves a process of storing and releasing electrical charges. When a voltage is applied to the anode, a discernible amount of current will pass through it to create a layer of oxide film on the aluminum foil. This oxide film acts as a dielectric, allowing the charges to pass through and become stored within the oxide.

When negative voltage is applied to the anode, the oxide film will reduce its thickness and the charges stored within will be released, thus allowing current to flow through the device. This is the basic principle for the B43742A5478M000 utilizing voltages between 63V and 70V to control the capacitance activated and deactivated.

In conclusion, the B43742A5478M000 is an incredibly robust and efficient aluminum electrolytic capacitor, with excellent performance and reliability. With its nominal capacitance of 47uF, and its maximum allowable capacitance of 118uF, this model is ideal for use in high and low voltage applications, as well as extreme temperature environments. Its working principles are based on the electrochemical character of the aluminum foil, with oxide films providing effective dielectric layers for storing and releasing electrical charges.

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