BFC2373EE225MI

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Film capacitors, as their name implies, are composed of two or more layers of film materials separated by a dielectric layer or medium. The BFC2373EE225MI is a two-layer film capacitor specifically designed for use in EMI applications. It has superior temperature stability, low ESR, and high ripple current capability.

The BFC2373EE225MI has a capacitance range of 10-56nF and a voltage rating of 250V. The capacitor features a non-inductive construction, an operating temperature range of -55 to +105 °C, and an insulation resistance of greater than 100MΩ at 25°C and 100Vdc. It is rated for a peak impulse voltage of 10,000V.

The BFC2373EE225MI has an almost flat and high current stable capacitance loss characteristic. This capacitor is highly reliable, with a lifetime of more than 25,000 hours at +105°C and a failure rate of less than 0.1 percent in service life testing.

The primary application for the BFC2373EE225MI is for EMI suppression in low voltage, high frequency electronic systems. It functions as a low-pass filter, reducing high-frequency noise from entering or leaving the system. The capacitor can also be used in power filtering, such as in switching power supplies, where it functions as a snubber circuit.

The BFC2373EE225MI has a simple working principle. When a voltage is applied, the two layers of film act as two series connected capacitors. The dielectric layer between them takes on a charge which acts as a barrier to the electrical current, thus creating a capacitance. The voltage applied builds an electrostatic field that is proportional to the amount of charge present, and the intensity of the electrostatic field provides the capacitance. As the voltage is increased, the capacitance decreases until the voltage reaches the breakdown voltage of the capacitor.

The BFC2373EE225MI is a reliable, long-lasting, and cost-effective solution for addressing EMI and power filtering needs. Its low ESR and high ripple current capability make it suitable for a wide range of applications, from automobile engine controllers to the latest consumer electronics.

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