BFC247990198

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Film capacitors are widely used in all kinds of electronic products, especially for high frequency and pulse current application, BFC247990198 is one of them. It is a combination of special film dielectric, metallizing, contact layer and lamination. Let\'s look into its application field and working principle.

Film Capacitor Application Field

With the structure of metal foil as electrodes and special film such as polyethylene terephthalate (PET) as dielectric, BFC247990198 gains a wide range of advantages, such as small size and high capacitance. They are mainly used in the following areas:

• High frequency circuit
• Switching Mode Power Supply (SMPS)
• AC and DC filter circuits
• Communications equipment and so on

BFC247990198 is an X1 Y2 Z3-grade capacitor, providing a great terminal substitution and minimal lead-independent performance, which makes them suitable for high-density applications like PS4 and Xbox Series X. The temperature range is from -55°C to +105°C.

Film Capacitor Working Principle

The working principle is mainly divided into three steps.

Step 1: Charges Collecting Process

When power is input to one of the terminals, the terminal collects electric charges and stores them on its own surface. Then, the charges will flow on the surface until the electric field is generated.

Step 2: Field-generated Process

The electric field will be generated between the two electrodes. This will cause the dielectric substance to be polarized and generate an electric dipole.

Step 3: Capacitance Calculation Process

The value of the electric dipole is equal to the product of the plate area and the surface charge. With this value, the capacitance can then be calculated and the capacitor starts to work.

BFC247990198 is a film capacitor that has been designed and produced to meet the standard requirements for high frequency application and pulse current circuit. With the advantages of small size, high capacitance, accurate value, low impedance and temperature range, BFC247990198 is very popular in electronic products. With its application field and working principle, we could better understand why it is so widely used.

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