ECQ-M4822KZ

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Film Capacitors as a passive electronic component, they are widely used in electrical appliance, radio-frequency circuit, signal processing circuit, motor start-up circuit, power-factor correction circuit, transportation, military, medical industry, etc. The ECQ-M4822KZ is the standard part of film capacitor, mostly used in power electronic circuits. In it, the winding element is made of aluminum-polypropylene film, which can reduce the inductance of the capacitor connected in parallel and form a larger capacitance. Its capacitance has been spot welded to the leading end of the pin, with wide temperature range from -55°C to +105°C, and the capacitance tolerance is ±10%.

The ECQ-M4822KZ capacitors consist of three main components: a pair of end electrodes, a dielectric layer, and a winding element. The end electrodes are made of thin metal plates that are coated with graphite and tin-plated. The aluminum-polypropylene film is inset in between the electrodes and kept in place by a winding element, which is made of an insulated, self-extinguishing material. The dielectric layer is made of polypropylene film, and the voltage across it must not exceed the operating voltage. The working voltage of the ECQ-M4822KZ is 400V, and its maximum voltage and allowable ripple current are 675V and 100uA, respectively.

The working principle of the ECQ-M4822KZ is based on the principle of capacitance, which states that when a small distance exists between two conductors, a capacitance occurs. In this case, the two end electrodes of the capacitor act as the two conductors, with the dielectric layer in between. When an electric field is placed in between the two electrodes, it induces positive and negative charges on both plates. These charges create an electric field that opposes the applied field, and the plate capacitance is the measure of the resistance to the applied field. With a higher voltage rating, the capacity of the capacitor can be increased, which further adds to its performance.

In practical applications, ECQ-M4822KZ capacitors are widely used for power supply filter circuits, voltage between the filtered oscilloscope, special noise suppression, and signal conditioning. It is also used in high-critical applications such as radio-frequency, medical technology, and military defense applications. For example, it is used in military unmanned defensive systems to enhance the operation reliability. In radio-frequency circuits, it is used to reduce unwanted noise. In medical technology, it is used for defibrillators, pacemakers, respirators, and other critical medical machinery.

The ECQ-M4822KZ capacitors are highly reliable and stable due to the combination of aluminum-polypropylene film and special winding element. Their insulation resistance and stability remain stable even under high temperature and high working voltage, so their performance and reliability will not be decreased even after a long period of use. Additionally, they are RoHS-compliant, and can meet the requirements of industrial, medical, and military applications. Thus, the ECQ-M4822KZ is an ideal choice for a high-reliability and high-performance film capacitor.

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