MMWA2P33K

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Film capacitors, also known as plastic film capacitors, are a motor or generator component that delivers energy or acts as a protective measure against unwanted or excessive electric currents. Their main uses are in power and electric circuits. The MMWA2P33K film capacitor is designed for pulse applications and the snubber circuits of separable contactors. It has high dielectric strength and low loss characteristics, making it suitable for pulse applications, such as in short circuit protection and start-up/shutdown apparatuses.

In general, a film capacitor consists of a thin plastic film sandwiched between two metal conductors. The film acts as the dielectric material that separates the two conductors and stores the electrical energy. Electrodes are attached to each conductor in order to make contact with the chosen medium. The electrodes are then either insulated from the enclosure, or connected to a terminal for connection to a circuit.

The MMWA2P33K has a dielectric film material with a thickness of 0.010mm and a dielectric strength of 250 Vrms. The capacitance of the device ranges from 33nF to 1uF, and the working voltage ranges from 250V to 400V. It has a ripple current rating of 3A and a peak current rating of 20A. The capacitance tolerance of the device varies with the value, with a tolerance of 5% for the 33nF and 1uF rating, and a tolerance of 10% for the other values in between. In addition, the device has a temperature coefficient of -7600ppm/K.

The working principle of the MMWA2P33K film capacitor is simple; when a potential difference (voltage) is applied across the two electrodes, a current flows from one electrode to the other. This activates the dielectric material and produces an electric field. This field increases the capacitance of the device, allowing it to store energy. When the voltage is removed, the energy stored in the capacitor is released, and the capacitance decreased.

The MMWA2P33K is available in a variety of package sizes. It has a low ESR and ESL characteristics, allowing for high efficiency applications. Its low loss characteristic makes it an ideal choice for short circuits protection and start-up/shutdown systems. Its high temperature coefficient of -7600ppm/K ensures reliability in high temperature applications. The MMWA2P33K film capacitor is a reliable and cost-effective option for the pulse applications and snubber circuits.

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