BFC238370123

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Film capacitors, also known as plastic film capacitors or dielectric film capacitors, are passive electronic components made of plastic, paper, or metalized film. Film capacitors are commonly used in high-frequency filtering applications and are particularly useful for audio frequency (AF) applications. This article will examine the BFC238370123 (also known as the BFC288370123-A) application field and working principle.

Application Field

The BFC288370123-A is a film capacitor that can be used for a variety of applications, including high-frequency filtering, pulse forming networks (PFNs), power supplies, and radio-frequency (RF) applications. It can also be used as signal coupling and decoupling capacitors, as well as for output and input signal filtering. The BFC288370123-A has a very low self-inductance rating of 0.35 nH/capacitor, which enables it to filter high frequencies more efficiently than traditional film capacitors. Additionally, its temperature range of -25 to 85°C and its high ripple current of 170mA make it an ideal choice for military and aerospace programs.

Working Principle

The BFC288370123-A is a film capacitor which works on the principle of dielectrics between two conductors. A dielectric, in this case, is a material that can insulate two conducting plates from each other. When connected across a DC power supply, the capacitor allows current to flow during the initial charging phase, and then blocks the flow of current as the capacitor reaches its full charge. The BFC288370123-A features a metallicized polypropylene film dielectric with a low-ESR (equivalent series resistance) and low-DCR (direct current resistance), enabling it to effectively filter high-frequency signals. This capacitor also features low residual inductance, making it suitable for high-frequency filtering applications that require fast switching times.

The BFC288370123-A is also designed to reduce stray inductance and EMC (electromagnetic compatibility) interference while maintaining a high capacitance value, and can be used in applications where high capacitance values are required. Its highly efficient design also helps to reduce power consumption and heat dissipation.

Conclusion

The BFC288370123-A film capacitor is a versatile component which can be used in a variety of applications, including high-frequency filtering, pulse forming networks, power supplies, and radio-frequency applications. It features a metallicized polypropylene film dielectric with a low-ESR, low-DCR, and highly efficient design, making it an ideal choice for military and aerospace programs. With its high capacitance and low self-inductance rating, the BFC288370123-A is an excellent choice for filtering high-frequency signals in a variety of applications.

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