SFS37S35K288B

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Film capacitors have become increasingly popular in the last decade as they serve a wide range of applications. From portable electronic devices to long-distance transmission lines, these components make up the backbone of consumer electrical and industrial electrical maintenance. The SFS37S35K288B is one such component that can withstand a wide array of conditions while delivering reliable performance. In this article, we will take a closer look at the application field and working principle of the SFS37S35K288B.

The SFS37S35K288B is a metalized polypropylene capacitors that can be used for performance-critical applications in a wide variety of industries. It is designed to withstand up to 160°C working temperature and is rated at 200V dc and 400Vac voltage. This makes it a suitable choice for applications that require high reliability and long service life. The SFS37S35K288B is mainly used in applications such as high-frequency capacitor filters, power electronics, power supplies, power factor correction, ac voltage compensation, electric vehicle onboard sub-systems, and fuel cell power plants.

The SFS37S35K288B is designed with a unique construction that allows for enhanced performance. The capacitor is composed of a dielectric film of polypropylene that is wrapped around a self-healing, high-purity film of aluminum. This design makes the SFS37S35K288B able to withstand high-frequency vibration, temperature shock, and voltage transients. The design also ensures that the capacitor will retain a high-level of capacitance and Very Low Dissipation Factor (VDF) during long cycling temperature and voltage conditions.

The working principle of the SFS37S35K288B is different from that of other capacitors because of the unique construction. When the applied voltage is greater than the breakdown voltage of the capacitor, the aluminum film in the dielectric will be in a highly charged state, eventually reaching the current trigger level of the capacitor. At this point, the current will be conducted through the aluminum film, which begins to break down, allowing current to flow between the two electrodes. This current flow will reduce the capacitance of the capacitor, resulting in a reduction in the applied voltage. This process will continue until the discharge current is below the current-holding level, at which point the capacitor will once again be in its uncharged state.

Overall, the SFS37S35K288B is an excellent choice for applications that require reliable performance and enhanced capacitance and Voltage Dissipation Factor (VDF) under extreme temperature and voltage conditions. With its unique construction, the SFS37S35K288B is able to withstand high-frequency vibration, temperature shock, and voltage transients. It is mainly used in applications such as high-frequency capacitor filters, power electronics, power supplies, power factor correction, ac voltage compensation, electric vehicle onboard sub-systems, and fuel cell power plants.

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