B32642B0393K

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Film capacitors are widely used components in the electronics industry, providing superior performance and long-term reliability. The B32642B0393K is an example of a film capacitor, designed to provide an improved capacitance-voltage rating and good insulation characteristics. This article will discuss the application field and working principle of the B32642B0393K.

The B32642B0393K is designed for high temperature applications, with an operating temperature range of -40 to +105℃. These types of capacitors are typically used for power management applications in consumer electronics, automotive and industrial applications, as they are able to withstand high temperatures more easily and over extended periods. Additionally, the B32642B0393K is UL and RoHS approved, making it suitable for a wide range of applications.

When considering the working principle of the B32642B0393K, it is important to understand the basics of a film capacitor. Film capacitors are comprised of two metal plates separated by an insulating medium (film). As an electrical current is applied, an electric field is created between the two plates. This electric field attracts and stores electrons, building a charge and creating a capacitance. The capacitance of the B32642B0393K is rated at 0.001 uF, or 0.001 microfarad. This means that the capacitor can store 0.001 units of electrical charge in an electrical field.

The B32642B0393K is designed to maintain its capacitance-voltage rating even at high temperatures, with a rated voltage of 630V. This is because it is constructed using polypropylene, a high-performance dielectric material that is able to maintain its capacitance in temperatures between -40 to +105℃. Additionally, this capacitor has a low ESR (equivalent series resistance) rating of just 0.07Ω, which is far lower than other types of capacitors and ensures that it has extremely good performance when used for high-frequency applications.

In summary, the B32642B0393K is a high temperature film capacitor, designed for a wide range of applications including power management in consumer electronics, automotive and industrial applications. Its capacitance-voltage rating is maintained even at high temperatures and it has a low ESR rating, making it suitable for high-frequency applications. It is UL and RoHS approved, making it a good choice for many applications.

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