ECQ-P1H181JZ

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Film capacitors are electrical components used for storing energy and for filtering signals. They are used mainly for applications requiring high operating voltage rating, small size, high capacitance value, dielectric strength, low loss and stable capacitance over wide frequency range. ECQ-P1H181JZ are Metallized Polypropylene Film Capacitors with self-healing characteristics. It can be used in a wide range of applications such as DC blocking, DC filtering, AC coupling, high-frequency circuit applications, etc.

Application Field

ECQ-P1H181JZ capacitors are capable of withstanding high electric fields and temperatures and are used to filter out AC voltage ripple, smooth out rectified DC outputs, shield signal lines, and provide bypassing functions. They are often found in many electronic and computer power supplies, audio and video equipment, electronic lighting, and communication equipment. They are also used in a variety of power electronic applications including motor drives and inverters.

Working Principle

ECQ-P1H181JZ capacitors utilize a polypropylene dielectric which is self-healing, meaning any corrosion or damage to the electrical contacts (due to thermal or electrostatic energy) does not significantly affect the performance of the capacitor. The self-healing effect is made possible by the softening of the polypropylene dielectric above the room temperature and the presence of a moisture-vapor barrier that helps to keep moisture from entering the insulation layer, where it can cause arcing. This makes it an excellent choice for high-frequency applications, where the absence of moisture can help maintain the integrity of the dielectric over time.

In addition to the self-healing effect, ECQ-P1H181JZ capacitors also have low internal resistance, high reliability, high operating voltage rating, and good insulation resistance, which makes them ideal for storing energy and for filtering signals. They are also thermally stable and can withstand high temperatures, making them suitable for use in high power applications.

ECQ-P1H181JZ capacitors are also very easy to install, with threaded inserts allowing easy mounting and removal.Lastly, these capacitors feature low dissipation factor (or low loss), which means they are ideal for filtering out high-frequency signals and avoiding distortion in audio and video equipment.

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