QAP2J335JRP

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Film capacitors are one of the most common components in today\'s electronic circuits. They are often used for energy storage, filtering, coupling, and timing applications. QAP2J335JRP is a film capacitor designed to meet the needs of high-temperature operation, UV exposure, and more demanding applications. It has a wide variety of features that make it ideal for a number of applications, from automotive power supplies to medical equipment.

QAP2J335JRP Application Field and Working Principle

QAP2J335JRP is a film capacitor designed for use in high-temperature, high-voltage applications such as automotive power supplies, medical equipment, and power electronics. The capacitor has a wide operating temperature range of -40℃ to 160℃ and a rated voltage of 1kV~1.5kV. It has a low inductance of 0.2nH, and a low capacitance of 0.22μF.

The QAP2J335JRP utilizes an aluminium-polypropylene film as its dielectric layer, which allows for a low equivalent series resistance (ESR) of 8.2mΩ─ideal for high-current applications, such as automotive and medical equipment. The capacitor also features a low dissipation factor (DF) of 0.05%. This low DF translates to a high degree of reliability in critical applications, where failure is not acceptable.

The working principle of QAP2J335JRP is simple--it stores energy electrostatically between two metal or conductive surfaces. When a DC voltage is applied across the capacitor, charges of opposite sign build up on each plate. This creates an electric field between the two plates, which in turn creates an electric field of uniform magnitude and direction. This uniform electric field then stores the energy electrostatically.

When the capacitor is placed in an AC voltage system, the electric field constantly alternates between positive and negative. This induces a positive electric field in one plate and a negative electric field in the other plate. This alternating electric field in turn induces an alternating current to flow in the capacitor. The capacitance of a capacitor is determined by the area of its plates, the distance between the plates, and the dielectric constant of the material between the plates.

QAP2J335JRP film capacitors are designed for high temperature and high voltage applications, such as automotive power supplies, medical equipment, and power electronics. Its low inductance and low capacitance make it an ideal choice for such applications. Additionally, its low ESR and DF also help ensure a long lifetime and consistent performance.

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