B32521N8103M000

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Film Capacitors

Film capacitors are a type of electrostatic capacitor that is commonly used in electrical and electronic circuits, most often as a power filter or decoupling capacitor. They are actually part of a larger family of capacitors called “fixed capacitors”, which also includes ceramic and electrolytic capacitors. One of the most popular models of film capacitors is the B32521N8103M000. This guide will explain the application field and working principle of this device.

Application Field

The B32521N8103M000 is a polyester film capacitor that is designed for AC applications such as power filters, decoupling, or bypass circuits. It is a general-purpose device that is suitable for industrial and consumer electronics. It is especially suitable for applications in audio and video equipment and power supplies. Its operating temperature range is -25°C to +85°C and it has a capacitance tolerance of ±10%.

Working Principle

Film capacitors are composed of two plates, an anode and a cathode, which are separated by an dielectric material, usually a polyester film. When an electrical potential is applied across the plates, charge is stored in the capacitor in the form of electric field. This field is increased or decreased by changing the size of the plates, or by adjusting the distance between them.

The dielectric material and the distance between the plates of the B32521N8103M000 can change in response to the applied voltage, allowing it to store more or less energy depending on the situation. This capacitance change is known as “non-linearity” and it can help reduce the size of the film capacitor as well as improve its performance.

When a current flows through the B32521N8103M000, the charges on the two plates are forced to move in opposite directions. This generates a current across the capacitor and a voltage drop over the device. This voltage drop is known as the “capacitive reactance”, which is important for filtering and power regulation applications.

The B32521N8103M000 is a reliable and efficient device. Its application field and working principle makes it a great choice for a wide variety of applications, from audio and video equipment to power supplies, and even in industrial settings. It is easy to install, cost-effective, and able to handle temperatures up to +85°C.

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