BFC246718473

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Film capacitors are an important family of capacitors. They are usually used when circuits handle electronic signals, such as radio frequency and microwave applications, as they offer excellent signal integrity with minimal insertion loss, distortion, and crosstalk. This article aims to discuss the application field and working principle of the BFC246718473 film capacitor.

BFC246718473 is a commonly used film capacitor in the electronics industry. It is a Class X2 AC capacitors designed for a working voltage of 250VAC. It features a standard insulation and dielectric system (SDS) which is made up of a combination of polymerization pressing and measuring charge acceptance technology. This makes the capacitor robust and reliable along with providing great heat dissipation.

BFC246718473 film capacitor is used for EMI and EMC applications due to its outstanding properties in many markets. It is widely used as a snubber for switching power supplies, as a measurement capacitor for audio and video related equipment, and as a filtering capacitor for high-voltage switching power supplies.

To begin, film capacitors utilize a dielectric that is stable and can support high voltages, high current, and fast switching under high frequency applications. Therefore, BFC246718473 film capacitors will deliver a wide frequency range up to 1000MHz. Moreover, they offer a great temperature stability rating of -40℃ to 105℃ and a capacitance tolerance of ±20%.

Moreover, BFC246718473 film capacitors are tested to UL 1414 approval and IEC60384-14 standards, making them ideal for applications in the industrial and medical markets. These capacitors also feature a high ripple current capability of up to 900mA @ 100KHz and a wide capacitance range from 0.47uF to 1uF.

The working principle of BFC246718473 film capacitors is based on the principle of the parallel plate capacitor or the air dielectric capacitor. This means that two metal layers are insulated with a dielectric material (polypropylene) that can store excess electrical charge. The two metal layers act as the electrodes, while the dielectric material acts as the insulator. When an external electric field is applied to the system, the electrons on the negative plate will be repelled and accumulated on the positive plate. This creates a charge imbalance and thus an electric field in between the plates. This creates the capacitor\'s capacitance, which is measured in farads (F).

In conclusion, BFC246718473 film capacitor is an excellent choice for high frequency and high voltage applications. They offer excellent signal integrity, wide frequency range up to 1000MHz, high temperature stability, UL and IEC approval, as well as high ripple current capability. BFC246718473 film capacitors are therefore well suited for EMI and EMC applications.

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