ECW-FD2W334K4

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Film capacitors, more commonly known as plastic film capacitors, are a type of capacitor made from dielectric plastic film. Unlike traditional ceramic or electrolytic capacitors, film capacitors are designed for a much wider range of applications, such as high frequency, high voltage, and high ripple current. The ECW-FD2W334K4 is a particular example of a film capacitor. It is a radial-lead film capacitor with a maximum working voltage of 2000V AC and a capacitance tolerance of ±5%. The capacitor is constructed from non-porous polyethylene terephthalate (PET) film, which provides a good electrical insulation. The ECW-FD2W334K4 also features a radial-lead out, making it well-suited for circuits with limited space; as well as a rated temperature of 105°C.The most significant application field of the ECW-FD2W334K4 is in power factor correction circuits. In such circuits, capacitors must be able to handle high levels of AC ripple current and voltage, while also maintaining a consistently low ESR and low thermal loading. These are the exact parameters that the ECW-FD2W334K4 specializes in.The principle behind power factor correction with the ECW-FD2W334K4 works like this: electricity travels in alternating current (AC) form. AC power contains a phase shift between the current waveform and the voltage waveform, resulting in a phase difference or “power factor.” To reduce this phase difference and bring the power factor closer to 1, a capacitor is used. The ECW-FD2W334K4 has a low ESR, allowing it to store energy for longer periods of time, and thereby reducing the power factor.The ECW-FD2W334K4’s low ESR also makes it well-suited for filtering applications in switching power supplies, motor drives, and instrumentation systems. The capacitor’s low ESR helps to reduce high-frequency ripple and noise, and helps to stabilize the output voltage.The ECW-FD2W334K4 is also widely used in audio applications, both as an input and output coupling capacitor. The capacitor’s low ESR helps to reduce noise and distortion in the audio signal path, while its low temperature coefficient helps to maintain a consistent tone and volume over the full temperature range.The ECW-FD2W334K4 is also commonly used in antenna circuits and similar RF applications, where its low ESR helps to reduce insertion loss and improve return loss.In summary, the ECW-FD2W334K4 film capacitor makes an excellent choice for applications requiring a high working voltage, a low ESR, and a low temperature coefficient. The capacitor’s most significant application fields are power factor correction, filtering, audio, and antenna circuits. With its radial-lead out design, this capacitor is an ideal choice for high-voltage circuits with limited space.

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