SFT37S75K391B-F

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Film capacitors are an important part of electronic components. They are widely used in various fields such as computers, communications, automobile electronics, household appliances, medical equipment, consumer electronics and so on. The SFT37S75K391B-F is one of such capacitors and is used in a large range of applications.

The SFT37S75K391B-F has a very low dielectric loss and low ESR, and provides over-voltage protection and long life. Its outstanding properties make it suitable for use in various electronic applications. For example, it can be used as a filter, in switching power supplies, or as a high-frequency filter for low-voltage DC power supplies. Additionally, the capacitor is suitable for high-frequency rectification.

The SFT37S75K391B-F is a polyester film capacitor with a hermetically sealed metalized case. It consists of two metalized layers separated by an organic polymer film. The layers are connected by copper-clad leads, which provide electrical contact for the capacitor. The metalized layers are usually made of aluminum or zinc. However, they can also be made of other metals such as nickel, tantalum, or titanium.

The working principle of a film capacitor is quite simple. When a voltage is applied between the two plates, one of the plates will be charged and the other will be discharged. This creates an electric field between the two plates. As the voltage changes, the electric field also changes, resulting in a change in the capacitance. This is known as the electrostatic effects.

The SFT37S75K391B-F has a high capacitance per unit volume, so it is suitable for use in high-voltage applications. It also has excellent electrical stability and reliable performance. Its ability to handle transient inrush currents is particularly helpful in these types of applications.

In summary, the SFT37S75K391B-F is a highly efficient film capacitor used in many different applications. Its wide range of features makes it an excellent choice for high-voltage applications such as power supplies and high-frequency rectification. The capacitor is efficient, reliable, and has good electrical stability.

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