CMR03F131GOAP

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Mica and PTFE Capacitors

Mica and PTFE capacitors have served as reliable, compact and, most likely, unique solutions to many of the capacitance needs that users incur. While all capacitors are used to store electric charge, the mica and PTFE variants can be used even in circuits where there are extreme temperature fluctuations, high voltages, or exposure to deleterious environmental elements such as affects from automobile water pump assemblies. In such cases, traditional capacitors made of layers of paper and wax or polyester foil fail miserably due to quick deterioration of the insulation. Fortunately, the capacitors made from mica and PTFE can resolve the problem when other capacitors fall short.

The CMR03F131GOAP is one type of mica and PTFE capacitor that is used for a variety of industrial and consumer electronics applications. It is a commercial fixed capacitor structure consisting of two laminations of high-grade mica and a film of PTFE (Teflon) sandwiched between them. This type of capacitor has a temperature range of -55°C to +125°C and is designed to have high current carrying capacity. This capacitor is primarily used for high voltage and temperature installations, especially those in which the insulation of other capacitors fails.

Application Field and Working Principle

The CMR03F131GOAP capacitor is primarily used in the processing of electrical signals and in a wide range of high-powered board-level electronic equipment. Making use of its temperature, current, and voltage handling capabilities, the device can be found in high-end automotive applications, such as in ignition coils, fuel injectors, and sound systems. In the field of consumer electronics, this capacitor is also used for its high-end performance and reliability; it is a common feature in motor speed control systems, power supplies, and LED drivers.

The working principle of the CMR03F131GOAP is simple. An electric field is applied to the two laminations of high-grade mica placed within the PTFE film. This creates a pathway for the electric charge to move, and the resulting capacitor stores the charge for a period of time and supplies it when needed. The PTFE film acts as an insulator, preventing any leakage and thus optimizing the capacitor’s efficiency. It is also the presence of the PTFE film that allows the capacitor to work under extreme temperatures, high voltages, and other harsh conditions. The construction also prevents corrosion, thermal runaway, and allows the capacitor to operate at higher frequencies without suffering performance degradation.

The CMR03F131GOAP is an example of a capacitor that can be used in extremely harsh environments where other capacitors typically can’t compete. Its temperature, voltage, and current-handling capabilities lead it to be desirable in many of the modern motor-driven, high-powered applications that require reliability, accuracy, and performance.

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