PCX1C391MCL1GS

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Aluminum - Polymer Capacitors

PCX1C391MCL1GS are a type of aluminum-polymer capacitor specifically designed for power line applications. Their dimensions are 19mm x 7.2mm, and they feature a dielectric of aluminum-polymer construction, as well as a rated breakdown voltage of 25V or higher. These capacitors are an essential part of many electrical circuits, as they provide a reliable source of energy storage and release, which is a crucial function in most power line applications. It is typically the case that these capacitors are used to filter high frequency electronic noise, and to extend range in wireless networks.

Application Field

PCX1C391MCL1GS capacitors are typically used in a variety of power line applications, such as for filtering out high frequency electronic noise in low voltage circuits, for extending the range of wireless networks, for providing stable power supply, for controlling power supply line impedance, and for providing noise immunity from vibration and strain.

These capacitors are particularly useful for motor drives, UPS systems, and medical equipment due to their ability to filter noise and maintain stable voltage levels. In addition to their practical uses, the aluminum-polymer construction of these capacitors also enhances their durability, making them ideal for applications that involve vibrations or frequent movement.

Working Principle

The working principle of PCX1C391MCL1GS capacitors is based on a combination of two different materials: aluminum and a polymer. The two materials interact with each other and create an energy-storing electric field. When a voltage is applied to the capacitor, the electrons are attracted by the electric field and begin to travel through it, depositing their energy in the field and thus increasing the capacitor’s electric charge. The more voltage that is applied, the more electrons travel through the field and increase the capacitor’s charge - this is referred to as “charging” the capacitor.

When the capacitors are disconnected from the voltage source, the charged electrostatic field then begins to discharge, releasing the stored energy back into the circuit. The time it takes for the electrostatic field to discharge is known as the “decay time” of the capacitor, and is directly related to the amount of voltage applied and the size of the capacitor. For example, a capacitor with a large amount of applied voltage and a small size would have a relatively short decay time, while one with low voltage and larger size would have a longer decay time. As the x-axis in the graph above indicates, this is how capacitors are used to filter noise or create electrical delays in a circuit.

Conclusion

PCX1C391MCL1GS aluminum-polymer capacitors are essential components in many electrical circuits, due to their ability to store and release energy when a voltage is applied. They are typically used in applications such as motor drives, UPS systems, and medical equipment, as well as for extending range in wireless networks. Their working principle is based on the combination of two materials, aluminum and a polymer, which interact with each other and create an electrostatic field that stores energy when a voltage is applied to it. The decay time for the capacitor is then determined based on the voltage applied, as well as the size of the capacitor itself.

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