T20W5NR-F

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Film capacitors, first introduced in the early 20th century, are used in a wide variety of applications such as power supplies, energy storage and filtering. The T20W5NR-F film capacitor is an example of a film capacitor capable of meeting the demanding requirements of high voltage applications. This article will discuss the application field and working principle of the T20W5NR-F film capacitor.

The T20W5NR-F is a polypropylene film capacitor that has an operating temperature range of -55°C – 85°C. It has a rated voltage of 2500VDC and can be used in a variety of applications, such as reactors, coupling, snubbers, and series-tuned filters. It is also available in two lead configurations, pin-out and eyelet.

The construction of the T20W5NR-F film capacitor consists of a metallized polypropylene film dielectric that is shaped like a long cylinder and wound in a roll. This cylindrical shape helps to keep the capacitance as stable as possible over a wide range of temperatures and frequencies. The electrodes of the capacitor are connected to two medium-sized tinned copper leads at one end and connected to two tinned solder tags at the other end.

The working principle of the T20W5NR-F film capacitor is based on the electrostatic principle. A capacitor is basically two conducting plates that are separated from each other by an insulator, such a dielectric. When a voltage is applied between the two plates, an electric field develops between them. This electric field produces a static charge that acts as a storage for electrical energy.

When a current is applied to the capacitor, the static charge in the dielectric is polarized, which creates an opposition to the applied voltage. This is known as capacitance and is measured in Farads. The greater the capacitance of a capacitor, the greater the amount of energy it can store.

The T20W5NR-F film capacitor is a popular choice for high voltage applications due to its superior capacitance, stability, and low temperature rise. In addition, its wide operating temperature range makes it ideal for aerospace and military applications. It is also well-suited for automotive, medical, consumer electronics, and other industrial applications.

In conclusion, the T20W5NR-F film capacitor is a reliable and popular choice for high voltage applications due to its superior capacitance, stability, and low temperature rise. Its versatile design makes it suitable for a wide range of applications, from aerospace and military to automotive and consumer electronics.

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