ECQ-E2124KF

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Film capacitors are divided into two classes: Polyester Film Type and Polypropylene Film Type. The former contain both dry and oil-filled films, and the latter are typically dry films only. ECQ-E2124KF is a high-performance polyester film type capacitor with high insulation resistance and wide temperature range. It is designed for use in very high frequency and high energy pulse applications such as in-line power factor correction, voltage sags, switching supplies, and active filters. ECQ-E2124KF is also well-suited for high-frequency lighting circuits and in specialty devices.

ECQ-E2124KF is a miniature open-type radial lead capacitor specifically designed with radial leads and a case made of Polystyrene film. This design provides superior capacitance retention, low dissipation factor and excellent surge current handling capability. ECQ-E2124KF can withstand high humidity and wet environments with no leakage current, corrosion, or mechanical erosion. Its robust construction and low ESR makes the ECQ-E2124KF ideal for high power applications in the power supply, telecommunications, and industrial electronics industries.

The ECQ-E2124KF film capacitor is designed to operate as a discrete capacitor or as part of a larger system in an electrical circuit. The ECQ-E2124KF capacitor operates by shunting current to a parallel load that is connected to the capacitor. This current flow can be represented by an electrical circuit diagram with an equivalent circuit model as seen below.

The ECQ-E2124KF capacitor contains two parallel metal plates that act as electrodes, separated by a dielectric in the form of Polystyrene film, and sealed in a pink-colored epoxy resin, which provides the mechanical and environmental protection. When a voltage is applied to the ECQ-E2124KF capacitor, the electric field between the plates creates a charge imbalance. This charge imbalance creates a potential difference, or a voltage across the dielectric, which is the capacitance of the capacitor. The capacitance is determined by the size, shape, material, and thickness of the electrodes and the dielectric material between them.

The capacitance of the ECQ-E2124KF capacitor is highly stable and predictable over the broad temperature range of -55°C to +150°C, thanks to the unique design of the Polystyrene film. This stability in capacitance means that there is less difference between the value of the capacitor at the start and the end of its life, which increases its reliability and life expectancy. The low ESR and high insulation resistance of the ECQ-E2124KF capacitor also contribute to its high reliability, as well as its ability to reject noise and high frequency switching in power supply applications.

The ECQ-E2124KF capacitor has a wide range of applications, including in-line power factor correction, voltage sags, audio, telecoms, high-frequency lighting circuits, active filters, and in specialty devices. Its robust construction, wide temperature range, and low ESR make the ECQ-E2124KF capacitor an ideal choice for applications where a reliable, high-performance solution is needed.

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