ECQ-E2395JB

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Film Capacitors

Film capacitors are passive components that store electrical energy in an electric field. They are made up of two pieces of film separated by an insulator which can be a paper, plastic or other material. The most common types of film capacitors are aluminum electrolytic, ceramic, and plastic film capacitors. They are used in a wide range of applications, including audio and video systems, power supplies, and communication equipment.

The ECQ-E2395JB application field and working principle is an important film capacitor model. It is mainly used in power supplies and switching power supplies, as well as other electronic machines and equipment. This film capacitor has a polar structure and the two leads are connected to the two leads of the power supply. The capacitance is 0.47uF, the rated voltage is 250VAC and 310VAC, the insulation resistance is 10R0, the temperature range is -10°C to +90°C, the temperature coefficient is C(K) ±5.5% and the length is 30mm.

Working Principle

The working principle of ECQ-E2395JB capacitor is based on the Faraday\'s law of induction. It is placed between two poles of the power supply with a dielectric film separating the two plates. When AC voltage is applied, the electric field created by the voltage will induce movement of the charges in the dielectric film. This creates an electrical charge on each of the plates. The electrical field created concentrates near the charged plates and the charges will accumulate until the electrical field dissipates from the plates.

The total voltage across the two points is the sum of the charges induced on each plate, which is the capacitance (C). The amount of charges stored in the dielectric film is proportional to the applied voltage, and therefore the capacitance also changes corresponding to the applied voltage. This mechanism is the basic working principle of all capacitors.

Applications

ECQ-E2395JB capacitors are widely used in various fields. In power supplies, it is used to filter and stabilize the output voltage, reduce Ripple, and reduce inrush current. In switching power supplies, it is used to reduce the overshoot and undershoot of the output voltage by filtering out the high frequency current. Besides, ECQ-E2395JB capacitors are also used in audio and video systems, consumer electronics, communication equipment and other electronic machines and equipment.

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