CMR03E300JOAM Capacitors

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Mica and PTFE capacitors are used in a wide range of industries, from medical and automotive to industrial and consumer electronics. The CMR03E300JOAM is a capacitor of this family. The following will discuss the application fields and working principle of this capacitor.

Application Fields

CMR03E300JOAM capacitors are typically used in computer and telecommunications equipment. Additionally, they are also used in other fields, such as consumer appliances, automotive and industrial electronics, medical equipment, and aerospace and defense systems. The capacitor is also used in power supply systems, distribution, and transmission networks. As a power capacitor, the CMR03E300JOAM offers protective performance against high-voltage fluctuations and electrical grid overloads. It also reduces losses due to its high power dissipation factor, low electric leakage and high dielectric strength.

Working Principle

Mica and PTFE capacitors use mica as the dielectric material and PTFE as the outer surface material. Mica provides excellent dielectric properties, while PTFE offers superior performance in heat resistance, chemical resistance, and environmental stability. The CMR03E300JOAM is a metalized polypropylene film capacitor with additional mica layer. In the capacitor, electrons are stored in the Faraday cage made of metal part internal layers. Upon application of an AC voltage, the electric field is generated inside the capacitor, which allows electric current to flow. This principle of an electric field in a capacitor is known as the electric double layer effect, and the charged particles stored in the capacitor is responsible for creating the field.

CMR03E300JOAM has high self-healing and ripple current performance characteristics, which makes it a great choice for many applications. The capacitor is constructed with a mica dielectric, which provides more consistent parameters over temperature and time. The mica dielectric offers excellent frequency characteristics and stable electrostatic capacity over a wide temperature range. The PTFE layer also helps minimize heat and noise caused by high electrical currents and ensures reliable electrical insulation.

In conclusion, the CMR03E300JOAM capacitor is widely used in a variety of fields, including computer and telecommunications equipment, consumer appliances, automotive and industrial electronics, medical equipment, and aerospace and defense systems. The working principle of the capacitor relies on the electric double layer effect, which generates an electric field inside the capacitor. The capacitor offers superior heat resistance, chemical resistance, and environmental stability, as well as high self-healing and ripple current performance. It is constructed with a mica dielectric, which provides more consistent parameters over temperature and time.

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