B32524Q3685K

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Film Capacitors

Film capacitors, also called film dielectric capacitors, polyester capacitors or plastic film capacitors, are capacitors with film as the dielectric. They are divided into two main groups: polyester film capacitors and polypropylene film capacitors which are further separated into surface-mount, molded and fixed film capacitors. They are widely used in noisy environments and high voltage electronic circuits because of their low change in capacitance as a result of temperature, DC electric field and direct current leakage, and high insulation resistance.

B32524Q3685K

The B32524Q3685K is a surface-mount, molded film capacitor that is typically used in applications such as UPS, switch-mode power supplies (SMPS), and solar energy circuits. It is constructed with a dielectric of polyethyleneterephthalate (PET) film and employs a radial power type configuration. The B32524Q3685K has a capacitance value of 0.047μF, a voltage rating of 630VAC, an operating temperature range of -55°C to +125°C, and a tolerance of ±5%. Additionally, it is suitable for use as a coupling or signal filter capacitor in low-frequency circuits.

Working Principle

The B32524Q3685K films capacitor consists of two layers of plastic film sandwiched between two metal plates. Each metal plate is covered with an electrolyte, which is an electrically conducting liquid. When the capacitor is charged, the liquid attracts electrical charges to the metal plates, which creates an electric field between the plates. This electric field in turn creates an electrical field and capacitance, which enables the capacitor to store energy.

Applications

The B32524Q3685K film capacitor is suitable for use in AC/DC circuits, DC link circuits, speaker crossover circuits, and undersized circuits. It is also used in automotive electronics, power amplifiers, and low-voltage LED systems. Furthermore, it is suitable for use in high-impedance circuits due to its low dissipation factor.

The B32524Q3685K film capacitor has a very low ESR, high capacitance, and good reliability. It is capable of tolerating large ripple currents and is also highly resistant to vibration and shock. It is immune to most frequencies of interference, making it an effective choice for a variety of electronic applications.

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