SCD474K162A3Z25

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Film Capacitors

Film capacitors, also known as plastic film capacitors, are capacitors that are widely used in electronic products where a thin dielectric insulation film is wound around an electrode core to create a component that stores energy. Film capacitors are used in many applications and come in many different forms, ranging from small components to large boards with hundreds of capacitors. The SCD474K162A3Z25 is one such example of a film capacitor.

Properties of Film Capacitors

Film capacitors are characterized by their high frequency response, stability, to temperature, durability, and low losses. The dielectric insulation films used in the production of film capacitors are extremely thin and can be tightly wound, resulting in small components that store a large amount of energy. Additionally, film capacitors make use of the dielectric material’s high resistance, which makes them generate very low levels of heat. This low heat output, along with their fast response times, make them well-suited for applications in audio and video systems.

SCD474K162A3Z25

The SCD474K162A3Z25 is a film capacitor produced by United Chemi-Con. The device is available in three different packages: SMD, FPC, and SMT. This device has a nominal capacitance of 4.7μF, rated voltage of 500V, temperature range of -40°C to +105°C, operating temperature of -25°C to +100°C, and a Dissipation Factor (DF) of 4000. The SCD474K162A3Z25 is ideal for applications involving high frequencies, such as power supplies, automotive systems, and audio/video systems.

Working Principle of SCD474K162A3Z25

The working principle of the SCD474K162A3Z25 is largely similar to other film capacitors. It stores electrical energy in the form of a thin dielectric insulation film, which is wound between two electrodes on a core. As an electrical charge is applied, the dielectric film collects and stores the charge, creating a capacitance between the two electrodes. This stored electrical energy can be released back into the circuit when needed.

The dielectric and electrodes used in the SCD474K162A3Z25 are designed for high temperature and voltage operation, making it well-suited for high power systems. Additionally, the tight winding of the dielectric film and the high quality of the electrodes results in an extremely low DF, making it ideal for use in high frequency circuits. Due to the high degree of repeatability of the SCD474K162A3Z25, it is also suitable for cost sensitive applications.

Applications of SCD474K162A3Z25

The primary application of the SCD474K162A3Z25 is in high frequency and high voltage power supplies, where the device’s excellent DF and high temperature capabilities make it suitable for use. Additionally, it is often used in automotive systems, where its repeatability, fast response, absence of current leakage, and excellent temperature characteristics make it an ideal choice. Finally, it is also often used in audio and video systems, where its low loss characteristics and fast response allow it to perform at high levels.

In conclusion, the SCD474K162A3Z25 is a versatile film capacitor with excellent characteristics. Its tight winding, high temperature operation, and low DF make it ideally suited for a variety of applications, from power supplies to automotive systems.

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