ECQ-E10123RJF

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Film capacitors, also called polyester or plastic capacitors, are passive electrical components made up of a polymer film dielectric, typically polypropylene, polystyrene, polyester or polycarbonate, combined with aluminium or zinc electrodes in a cylindrical case with a lead-out. They come in a variety of styles, of which the ECQ-E10123RJF is a common type.

The ECQ-E10123RJF is a polar-type film capacitor with low dissipation factor (DF) and low equivalent series resistance (ESR). It is a heat-resistant capacitor that can be used in high temperatures, ranging from -55°C to +150°C. The capacitor is also moisture-resistant, making it suitable for use in damp environments. Another key feature of the ECQ-E10123RJF is its ability to withstand high voltage surges, making it ideal for applications where a high degree of electromagnetic interference is present.

In terms of its general application field, the ECQ-E10123RJF is often used for power supply applications, particularly in high power electronic equipment, due to its high dielectric strength, low loss, stability and reliability. These capacitors can also be employed in different types of electronic motor controllers, where a stable voltage supply is needed to provide precise motor control. Moreover, the ECQ-E10123RJF can be used for medical equipment like X-ray machines, which demand high-end technical performance.

To understand how the ECQ-E10123RJF works, we need to look at the nature of film capacitors. The dielectric film of the capacitor selectively allows the electrons travelling through it from one electrode to another. This current path is called the Faraday’s Law of Electrolysis. When the applied electric field increases, the number of current carriers increases which further increases the capacitance. This process, referred to as capacitance compensation, allows the ECQ-E10123RJF to act as a mute filter and helps to stabilize the voltage.

In short, the ECQ-E10123RJF is a heat and moisture resistant, high voltage surge tolerant film capacitor used for power supply applications, motor controllers, and medical equipment. The capacitor’s capacitance compensation feature allows it to act as a mute filter, protecting circuitry from excess voltage.

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