BFC2373EL105MF

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Film capacitors, also known as polyester capacitors or plastic film capacitors, are a type of capacitor that uses a plastic film as a dielectric. The BFC2373EL105MF is a film capacitor designed for applications in electronic circuits. Specifically, it is designed to provide low-pass filter functions and is suitable for signal filtering and decoupling in wireless communication equipment such as RF modules, Wi-Fi, and GPS recipients.The BFC2373EL105MF capacitor is composed of a metallized polyester film, a non-inductive winding, a plastic case, and tinned lead terminals. It is characterized by a high ripple current capability and excellent temperature stability. The maximum operating temperature is 85°C, with a maximum “working temperature” of 105°C. The capacitor is rated at 2U, with a ambient temperature of 20°C and a ripple current of 10%.The working principle of a film capacitor is based on the storage of electrical energy in the form of a static electrical field. When a voltage is applied across the two electrodes of the capacitor, it creates an electric field between them. This electric field stores energy as an electrical charge within the dielectric, which is directly proportional to the applied voltage. When the applied voltage is removed, the electric field and the stored energy quickly collapse. The time it takes for the stored energy to collapse is referred to as the “discharge time” of the capacitor.The ripple current capability, temperature stability, and low ESR of the BFC2373EL105MF make it well suited for use in a variety of applications, including low-pass filter circuits, signal filtering, and decoupling in wireless communication equipment. Additionally, its versatile and economic design make it an attractive choice for audio and video equipment, mobile phones, test and measurement instruments, home theater systems, and other applications requiring a low-cost filter capacitor solution.

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