R82EC1470DQ50J Capacitors

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Film capacitors are common passive electrical components. These capacitors, made from thin film electrets, consist of layers of metallisations printed on Mylar or Kapton film separated by thin layers of insulating material. The capacitance is determined by the film structure and the permittivity of the insulator. Their low cost, long life, high frequency response, and excellent insulation make them popular components in various types of electronics.

The R82EC1470DQ50J film capacitor is an example of this type of capacitor. It has a capacitance of 470 pF, a rated voltage of 50 V, and an insulation resistance of 4000 MΩ Min. Its rated temperature range is -40°C to +85°C, and its maximum leakage current at rated voltage is 2 μA. Its construction consists of two metallized electrodes, which are composed of aluminum-metallized polyester film. The electrodes are separated by a dielectric layer made of polyester and isopropyl ester. The device also has a protective coating, which provides shielding and helps to protect the capacitor from moisture and dust.

R82EC1470DQ50J film capacitors are used in a variety of electronic applications. They are commonly used for decoupling and signal filtering purposes in analog circuits, as well as for bypassing and transient suppression in digital circuits. Due to their low cost, high insulation resistance, and high temperature rating, they are also ideal for use in medical equipment, lighting applications, and instrumentation.

R82EC1470DQ50J film capacitors operate by storing energy in the electric field created between their aluminum-metallized polyester electrodes. As a result of the application of a voltage between the electrodes, an electric field is created, which can store energy. The amount of energy that can be stored is proportional to the capacitance, or the ratio of the electric charge stored on each plate to the voltage between the plates. The capacitance is determined by the geometry of the electrodes and the permittivity of the dielectric material between the electrodes.

In addition, R82EC1470DQ50J film capacitors also have a wide frequency response. This is due to the fact that the layers of insulation between the electrodes act as a low-pass filter. The frequency response is determined by the ratio between the capacitance and the series inductance. Since the insulation layers have a low inductance, the frequency response of these devices is usually quite high.

To sum up, film capacitors like the R82EC1470DQ50J are widely used in a variety of electronic applications. They offer advantages such as low cost, high insulation resistance, high temperature rating, and a wide frequency response. Their construction and working principle make them a popular choice for decoupling and signal filtering in analog circuits, as well as for bypassing and transient suppression in digital circuits.

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