B43231B9397M

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Aluminum electrolytic capacitors play a very important role in the field of electronics. Mainly used in switching power supplies, motor drives, inverters, and other industrial equipment and even consumer products. The B43231B9397M is one type of electrolytic capacitor that is used across the world for high-frequency and rectified power applications. This article will discuss the features and working principles of this capacitor.

Construction and Features

The B43231B9397M is an axial leaded aluminum electrolytic capacitor and is available in a wide variety of capacitance and voltage ratings. It features a cylindrical aluminum body with a metalized paper outer sleeve and an epoxy-coated spiral wrap around its circumference. In addition, the capacitor has a self-regulating jelly-roll construction, which contributes to its ultra-low ESR values. Its capacitance range is from 0.47uF to 2.2uF, and its voltage ratings are up to 420V. It has a maximum ripple current of 10,000A at 100kHz and an operating temperature range of -55°C to +105°C.

Working Principle

The B43231B9397M capacitor works on the principle of electrolytic capacitor, in which two metal plates, one of aluminum and one of a different material, are placed in an electrolyte solution. The aluminum is then polarized, which causes polarization of the electrolyte solution and creates an electric field between the plates. This electric field provides the capacitor with its capacitance. The electrolyte also acts as a dielectric, which gives it its high capacitance value. In addition, the presence of the electrolyte allows for a rapid response time and a high ripple current rating.

Applications

The B43231B9397M capacitor is widely used for motor drives, inverters, and high-frequency switching power supply applications. Its excellent ripple current rating and wide capacitance range make it ideal for these applications. It can also be used in audio and power supply systems. Additionally, due to its excellent temperature range and low ESR, it can be used in medical equipment and automotive applications.

Conclusion

The B43231B9397M aluminum electrolytic capacitor is a highly reliable and efficient capacitor for a wide range of applications. Its self-regulating jelly-roll construction, ultra-low ESR values, and wide capacitance and voltage ratings make it an ideal choice for high-frequency and rectified power applications as well as audio, automotive, and medical equipment systems.

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