MKT1817268254

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Film capacitors, sometimes referred to as plastic film capacitors or thin film capacitors, are capacitors commonly used in electronic circuits where a very high capacitance and/or small form factor is required. The MKT1817268254 film capacitor is one type of such capacitors, and is popular among hobbyists and overclockers due to its many advantages. In this article, we will explore the various application fields and working principles of the MKT1817268254 film capacitor.

The MKT1817268254 is a polyester film capacitor with a relatively large capacitance of 18,000µF. This makes it ideal for use in high-current circuits, such as motor circuits and power conditioning applications, where a large amount of energy can be stored and released in a controlled manner. Due to its high capacitance, the MKT1817268254 is also well-suited for automotive applications, such as alternator and starter circuits, as well as battery charging circuits.

The MKT1817268254 has a relatively low ESR (equivalent series resistance) of 0.006 ohms, meaning that it can efficiently store and release energy without significant power losses. The low ESR also prevents the capacitor from overload- and voltage-induced damage, thus preserving its long-term reliability. Moreover, the MKT1817268254 is rated for operation at high temperatures up to 85°C, meaning that it can be safely used in harsh environments.

The MKT1817268254 is a non-polar capacitor, meaning that it does not have any defined orientation of the electrodes. This makes it easy to mount the capacitor in any orientation and simplifies the design of PCBs. Moreover, the capacitor is relatively small, with a diameter of 25.4mm and a height of 28.58mm. This makes it ideal for use in space-constrained applications.

In terms of working principle, the MKT1817268254 is an electrostatic film capacitor. This means that it functions by storing an electrical charge between two conductive surfaces, or electrodes. In the case of the MKT1817268254, these surfaces are made from polyester film and are arranged in a cylindrical fashion, with the electrodes on the outside. When a voltage is applied to the capacitor, a layer of electrical charge is built up on the electrodes, resulting in a capacitance. The capacitance of the capacitor is a measure of its ability to store electrical energy.

Overall, the MKT1817268254 film capacitor is an ideal choice for applications that require a high capacitance, a low ESR, and/or an operating temperature up to 85°C. Thanks to its small size and non-polar design, it is also well-suited for use in space-constrained applications and is a popular choice among hobbyists and overclockers. The MKT1817268254 film capacitor operates on the principle of electrostatic capacitance, in which an electrical charge is stored between two conductive surfaces.

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