B43888P2686M000

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Aluminum Electrolytic Capacitors are composed of an anode that is made out of aluminum foil, a cathode made from a layer of oxide film on the surface of the aluminum foil, and an electrolyte made from a solution of boric acid. These electrolytic capacitors are filled with dielectric fluid that allows for a high capacitance value when compared with other types of capacitors. The name "electrolytic" means that the capacitor undergoes a chemical reaction when a voltage is applied, resulting in a much higher capacity than other types of capacitors. In addition, this chemical reaction makes the capacitor much more stable with time.

B43888P2686M000 is a type of aluminum electrolytic capacitor. This type focuses on high-temperature applications. It has a capacitance of up to 680µF, a voltage rating of 400VDC, and an ESR of 40mΩ (at 1kHz; 120°C). It also has a ripple current rating of 100ARMS, making it a versatile unit for applications that require high power or current.

The B43888P2686M000 is mainly used in high-temperature environments, such as aerospace, automotive and industrial applications. Examples of such applications include engine and gearbox control units, melting furnaces, motor controls, robots, and electric power controllers. Additionally, this type of capacitor can be used in audio amplifiers, power supplies, HVDC systems, and general electronic circuits.

The working principle of the B43888P2686M000 is quite simple. An alternating current (AC) or a direct current (DC) can be applied to the capacitor, resulting in an electrolytic reaction. When a positive voltage is applied to the anode, the anion of the electrolyte attracts cations which then form a layer on the anode, resulting in a capacitance. The capacitance is proportional to the area of the anode and the thickness of the anionic layer; these values can be easily adjusted to adjust the overall capacitance. Similarly, when the voltage is reversed, the cations separate from the anionic layer, reducing the capacitance.

In conclusion, the B43888P2686M000 is a type of aluminum electrolytic capacitor designed for high-temperature applications. It has a capacitance of up to 680µF, a voltage rating of 400VDC, and an ESR of 40mΩ (at 1kHz; 120°C), and a ripple current rating of 100ARMS. It is mainly used in aerospace, automotive, and industrial applications, such as engine and gearbox control units, melting furnaces, motor controls, robots, and electric power controllers. Its working principle is based on an electrolytic reaction, whereby a positive voltage causes cations to form a layer on the anode, resulting in a capacitance.

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