947D251K132DCRSN

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Film capacitors are generally described as capacitors with a thin layer of plastic film and metal foil as electrodes. In contrast to the electrolytic capacitor, which generally has two metal plates immersed in an electrolyte on a roll or stack, the film capacitor has two metal layers sandwiched between two layers of plastic.

There are two main types of 947D251K132DCRSN capacitors used in film capacitors – polyester and polypropylene. Polyester capacitors are commonly referred to as PEN or Mylar capacitors and are generally used for lower voltage applications such as audio-video, consumer electronics and digital applications, while polypropylene capacitors are typically used in higher voltage applications such as industrial control, power distribution, and PV systems. These capacitors have an insulation resistance of greater than 10 MΩ, a capacitance range of 15nF to 15µF, and a maximum operating voltage of 267V AC.

In terms of working principle, the 947D251K132DCRSN film capacitor consists of two metal layers separated by a dielectric film. When voltage is applied to the capacitor, charge is stored between the metal layers by the dielectric film. When the voltage is removed, the capacitance remains, stored in the dielectric material, allowing for far greater tolerances in capacitance than electrolytic capacitors.

The 947D251K132DCRSN is a reliable choice for applications requiring a high amount of capacitance and frequent vibration, such as automotive, industrial, and motor-driven applications. The capacitor has an oscillation frequency of up to 18MHz, and provides a self-healing protection from voltage transients. Other features include low temperature coefficients, low ESR values, and high capacitance accuracy.

The 947D251K132DCRSN can be used in a variety of applications, including automotive, industrial, medical, power supplies, consumer electronics, and telecommunications applications. In automotive applications, the capacitor is a reliable choice for power suppression, switching loss reduction, voltage regulation, and filtering of AC ripple. In industrial applications, the capacitor is used in motor drives, inverters, servo amplifiers, and UPS. In medical applications, it is used as energy source for pacemakers.

The 947D251K132DCRSN is a reliable choice for a wide range of applications requiring high capacitance and reliable operation. With its self-healing feature, low temperature coefficients, and excellent capacitance accuracy, the capacitor is suitable for a variety of high-performance applications in automotive, industrial, and medical sectors.

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