ECQ-E4223KFA

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Introduction to Film Capacitors

Film capacitors, also known as Polyester (PET) Film Capacitors, are electronic components typically used in applications requiring stable voltage, high insulation resistance, low microphonics, long life, and good temperature stability. Common applications range from AC filter, DC filter, audio coupling, across-the-line and motor running applications.

ECQ-E4223KFA Application Field and Working Principle

The ECQ-E4223KFA is a film capacitor designed and manufactured by EPCOS AG, a German electronic and industrial engineering company. It is polypropylene film, radial leaded and produced with molded cases and covers.

The working principle of the ECQ-E4223KFA is based on the fact that capacitors accumulate an electrical charge when exposed to an electric field. As current is applied to the capacitor, an electric field is created and stored between the two surfaces of the capacitor, known as the “plates.” The charges on the plates accumulate, which increases the capacitor’s voltage. This stored energy can then be discharged when the electric field is removed.

The ECQ-E4223KFA is primarily used for audio couplings and AC filter applications, meaning it can store and filter very short-term AC signals as they pass through the device. This makes it ideal for amplifying and filtering audio signals in Hi-Fi systems.

The ECQ-E4223KFA also has several applications in motors and in motor control circuits, due to its excellent temperature stability and low internal resistance. It can be used to reduce electrical noise, increase motor efficiency and control motor speed.

Finally, the ECQ-E4223KFA can also be used in across-the-line and DC filter applications, due to its optimized design for use with polarized DC voltages. This makes it well-suited for use as a DC decoupling capacitor for eliminating high frequency noise and interference in power supplies.

Overall, the ECQ-E4223KFA is a versatile and robust film capacitor designed for reliable operation in a variety of applications. With a temperature range of -55 to +105 degree Celsius, long operating life, high insulation resistance, good heat resistance and low microphonics, the ECQ-E4223KFA is an ideal choice for a variety of applications.

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