870055975004 Capacitors

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Aluminum-Polymer Capacitors

Aluminum-Polymer capacitors are a type of capacitor formed by covering a layer of aluminum with a thin polymeric film, most commonly polyethylene-terephthalate (PET).The aluminum-polymer capacitors are divided into two classifications: hybrid and wet-aluminum polymer. In hybrid classifications, the polymeric film is set between two aluminum plates and is hermetically sealed with epoxy resin. In the wet-aluminum polymers, the polymeric film is in contact with an electrolyte solution that act as a dielectric medium between two aluminum plates. The aluminum-polymer capacitors are known to be more reliable and resilient to high current spikes as compared to other types of capacitors due to their ability to speedily discharge and recharge.

870055975004 Application Field and Working Principle

The 870055975004 aluminum-polymer capacitor is an extremely high quality capacitor that has very low resistance, low leakage current, and stable performance. It is commonly used in power supplies and other components such as motorized motors, HVAC and motor drives. The 870055975004 aluminum-polymer capacitor also has very low inductance and excellent frequency response, which is ideal for applications that require switching frequencies of up to 10KHz. The aluminum-polymer capacitor works on the principle of electrostatic attraction and repulsions. The electrons in the capacitor are attracted to the positive electrode and the negative electrode, which generates an energy field, or electric field. This energy field reduces the gap between the plates, thereby increasing the capacitance.

When a voltage source is disconnected, the electrons will start to flow through the circuit, towards the positive electrode. As they reach the positive electrode, they will start to be attracted and stick to it, thus forming a charge on both the plates, reducing the gap and increasing the capacitance. When a voltage source is connected, the stored electrons will flow back towards the negative, reducing the charge on each plate, thereby decreasing the capacitance.

The 870055975004 aluminum-polymer capacitor is relatively economical as compared to other capacitors and also has a wide temperature range. It is also flexible in terms of design because you can use it in a variety of shapes and sizes. It also has a wide range of pulse and ripple current ratings and can be used in high temperature environments without suffering a significant decrease in performance.

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