947D301K132AJGSN

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Film Capacitors

Film capacitors are used in virtually all areas of electronics, from analog for consumer electronics to digital for power electronics. To meet stringent performance requirements for various applications, a wide variety of film capacitors exist. In this article we will discuss the application field and working principle of one particular type - 947D301K132AJGSN.

Application Field

The 947D301K132AJGSN film capacitor is designed primarily for signal filtering applications. It is used in consumer electronics such as televisions, cable boxes, and DVD players. Furthermore, these capacitors are used in the automotive industry in power steering systems, circuit breakers, and ABS systems. They can also be used in industrial applications such as switchgear, power supplies, and power protection equipment. Its insulation and temperature characteristics make it suitable for use in high temperature applications.

Working Principle

The basic principle of a film capacitor is the same as any other type of capacitor; it stores electrical charge by using two conductive surfaces separated by an insulating material, which is what is known as the dielectric. In the case of the 947D301K132AJGSN film capacitor, it uses polypropylene film as the dielectric. This is because polypropylene has both good electrical-insulating and high-temperature performance properties. The plates are then connected to the terminals of the capacitor, which are connected to the external components.

The 947D301K132AJGSN capacitor is a non-polarized capacitor, so it is constructed symmetrically with the same thickness of the layer, allowing it to work with DC or AC current of either polarity. Furthermore, it has a very low equivalent series resistance, making it highly suitable for use in power electronics applications. The voltage rating of ninety (90) volts, and its relatively large capacitance of one hundred and thirty-two (132) microfarads, makes this an especially suitable capacitor for various types of power electronic applications.

Conclusion

The 947D301K132AJGSN is a polypropylene film capacitor which is especially suitable for power electronic applications due to its low equivalent series resistance and voltage rating of ninety (90) volts. It also has the capability of working with either DC or AC currents of either polarity. Its main application is signal filtering for consumer electronics, automotive and industrial applications.

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