ECQ-E4185KZ

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Film capacitors, also known as plastic film capacitors, have been one of the most common types of capacitor used in numerous electronic equipment and devices since their introduction in the 1950s. Since then they have found application in almost all areas of electronics, from personal computers to industrial automation, and have become almost indispensable in modern electronics. The ECQ-E4185KZ is a type of film capacitor and this article will discuss its application field and working principle.

The ECQ-E4185KZ is a metalized polyester capacitor that is non-inductive, small in size and light in weight. It consists of a metalized polyester film dielectric, with a copper(Alu-Zn)/steel termination, and an epoxy resin coating. It is capable of sustaining high temperatures and can tolerate peak voltages up to 500VAC. It has a rated capacitance from 0.01μF to 15μF and is available in a range of case sizes. These features make it suitable for a wide range of applications.

The ECQ-E4185KZ is commonly used in a wide range of applications, such as high-frequency power supply circuits, power supplies for computers, portable electronics and other small home appliances, as well as in high-end audio devices. These capacitors are also widely used in motor controllers and UPS systems, and are especially well suited for small, space-saving applications, such as on PCBs. They are also used in automotive applications, such as air-conditioning systems, stereos and ignition systems.

The metalized polyester film used in the construction of the ECQ-E4185KZ provides a number of advantages over other types of capacitors, such as ceramic and mica capacitors. The most notable advantages of the metalized polyester capacitors include improved dielectric strength and a very high degree of stability over a wide range of temperatures and frequencies. These features make ECQ-E4185KZ ideal for use in high-frequency power supply applications, where accuracy and reliability are essential.

The working principle of the ECQ-E4185KZ is based on the principle of electric charge storage. When a voltage is applied across the terminals of a capacitor, the charge stored in its electric field is equal to the product of the electric flux density and the surface area of the capacitor. When the applied voltage is removed, the charge stored in the electric field is dissipated. This process is known as capacitance, and it allows the capacitor to store energy in the form of an electric charge.

The ECQ-E4185KZ is able to maintain its capacitance over a wide range of temperatures and frequencies, due to its unique dielectric material. This material, known as metalized polyester film, is non-flammable and significantly more durable than other materials used in traditional film capacitors. As a result, the ECQ-E4185KZ is ideal for use in demanding and high-frequency applications, where reliability is essential.

In conclusion, the ECQ-E4185KZ is a type of film capacitor that is used in a wide range of applications, such as high-frequency power supply and audio applications, motor controllers and UPS systems, and automotive systems. Its unique construction, consisting of a metalized polyester film dielectric and a copper/steel termination, make it highly stable and reliable. Moreover, its ability to maintain capacitance over a wide range of temperatures and frequencies make it ideal for small, space-saving applications. The working principle of the ECQ-E4185KZ is based on the principle of electric charge storage, which allows it to store energy in the form of an electric charge.

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