B43254C2687M

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Aluminum electrolytic capacitors are an important type of capacitor in the electronics industry. They are used in a wide variety of applications in both analog and digital circuits. The B43254C2687M is a specific type of aluminum electrolytic capacitor that is characterized by its high capacitance and long useful life. This article will provide a brief overview of the B43254C2687M\'s application field and working principle.

Aluminum electrolytic capacitors are typically used for applications where high capacitance and long life is needed. The B43254C2687M is typically used for intermediate frequency (IF) signal transmission, signal smoothing, power management, and rectification applications. Additionally, it can be used in low frequency noise suppression and voltage buffering circuits. It is also a popular choice for use in rectifier circuits for controlling pulse-width modulation (PWM).

The B43254C2687M is an extended life aluminum electrolytic capacitor which features long-term reliability and stable capacitance over time. It is constructed using an electrolytic sand-type capacitor core with a thin-film anode and a solid dielectric layer. The electrolyte is a mixture of zinc and ammonium, which forms a non-conductive gel when exposed to oxygen and moisture. This gel provides excellent protection against aging and increases the capacitor\'s lifetime. The dielectric material also ensures that the capacitor operates within its rated specifications.

An aluminum electrolytic capacitor works by forming a reversible electric double layer when a voltage is applied across the capacitor. When a voltage is applied to the metal electrode (anode) of the capacitor, it generates an electric field which causes electrons to migrate from the anode to the dielectric material. The electrons are repelled by the dielectric material and are attracted to the positive electrode (cathode). As the electrons flow, they create an electric double layer between the two electrodes. This electric double layer consists of a positive and a negative layer, which creates an electrical capacitance.

The B43254C2687M is rated at 35V and has an operational temperature range of -40°C to +125°C. Its dimensions are 6.3mm by 12.5mm and it has a maximum capacitance of 4.7uF. The B43254C2687M also has an rated ripple current of 120mA and an ESR of 0.05Ω. Its capacitance is stable over a wide temperature range and its performance is unaffected by aging.

In summary, The B43254C2687M is an extended life aluminum electrolytic capacitor that is typically used for applications where high capacitance and long life is needed. It features long-term reliability and stable capacitance over time and is rated at 35V with an operational temperature range of -40°C to +125°C. Its maximum capacitance is 4.7uF and it has a rated ripple current of 120mA and an ESR of 0.05Ω. Its performance is affected less by aging than other capacitors, making it an excellent choice for many applications.

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