QYX2A273KTP

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Film Capacitors

Film capacitors are passive devices that serve to store electrical energy, employing a dielectric (electrical insulating) medium to separate two conductors. Film capacitors are a type of polarized capacitor, typically with relatively higher working voltages than other capacitor types. As the dielectric medium, a semiconductor or insulating film is usually employed, the most common being polyester, polypropylene, Teflon and polycarbonate. These materials are usually used as film capacitors in various applications, such as power supplies, telecom, industrial control, audio/video equipment, and other types.

QYX2A273KTP Application Field and Working Principle

QYX2A273KTP is a film capacitor typically used in high frequency capacitive applications. The QYX2A273KTP employs polypropylene dielectric, and is an AC capacitor with a rated voltage of up to 400V AC. It is suitable for power supplies, telecom systems, industrial control systems, audio/video equipment, and other applications. It features a long service life and high reliability, good self-healing properties, and low dielectric loss.

QYX2A273KTP works by storing electrical charge between two conducting plates through the dielectric medium. As one plate is charged, an induced opposite charge is generated on the other plate, storing charge in the form of electric field. When charged with a high voltage, the charge on the capacitor plates will flow through its leads to the ground if the leads get earthed to the ground, thereby releasing the stored energy. This process is known as self-healing, which helps in preventing the capacitor from getting damaged.

The QYX2A273KTP also features the high insulation resistance which is achieved by using high-voltage-grade polypropylene dielectric material. This allows the capacitor to have a better insulation performance and better safety. The QYX2A273KTP also has a low DCL capacity. This is achieved by using a tantalum-alloyed oxide coating, with an equivalent series resistance that is significantly lower than other conventional capacitors. This helps the capacitor to achieve a higher capacitance with less lead resistance and, thus, reducing the total equivalent series resistance.

The QYX2A273KTP has a maximum permissible operating temperature of 85°C, allowing it to be used in a wide range of applications. This high temperature also allows the capacitor to work in higher current and power applications. It also features good moisture resistance and a robust plastic housing, making it suitable for high-vibration operation. The capacitor also has good thermal characteristics and can withstand a high acceleration force.

The QYX2A273KTP is a highly reliable film capacitor that is specially designed to provide excellent performance in high-frequency capacitive applications. It employs high-voltage-grade polypropylene dielectric material that can provide excellent insulation performance and is robust under vibration. It features a high insulation resistance, low dielectric loss, low DCL capacity, and good moisture resistance. Its long service life and high reliability makes it suitable for a wide range of power supplies, telecom systems, industrial control systems, audio/video equipment, and other types of equipment.

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