167393J250B-F

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Film Capacitors

Film capacitors are electronic components, also known as film dielectric capacitors, polyester capacitors or simply film caps. They are constructed with thin plastic film and metalizing techniques to achieve tight tolerances and stability. Film capacitors are commonly used in high-frequency electronic circuits due to their low loss and high insulation resistance. Specifically, 167393J250B-F film capacitors are popular in power supplies, radio receivers, and consumer electronics.

Construction

167393J250B-F film capacitors are constructed with a winding of thin plastic film as the dielectric material and two metal plates inscribed with aluminum foil. This structure enables them to operate at lower temperatures compared to ceramic capacitors. The winding features various lamination styles, including dry-type, wet-type and multiple-films. In some cases, these capacitors may be vulcanized or oil impregnated. Furthermore, they can conveniently be produced in both axial and radial configurations.

Features

167393J250B-F film capacitors have many advantageous features. For starters, these polyester film capacitors have high relative dielectric constant and low dissipation factor, leading to better frequency response characteristics and higher shock resistance. In addition, their high dielectric strength provides superior protection against short circuiting and reduces the risk of fire hazards. Furthermore, 167393J250B-F film capacitors are designed with long life expectancy, typically rated to last for up to 10,000 hours.

Specifications

167393J250B-F film capacitors are available in many different sizes, shapes, values and capacitance ranges. These polyester dielectric capacitors are rated for up to 250 Volts and can be ordered in tantalum, aluminum and ceramic types. Operating temperatures for these capacitors typically range from -25 °C to +85 °C. In addition, these capacitors feature a wide range of tolerance ratings, typically ranging from 10% to 20%.

Working Principle

167393J250B-F film capacitors work on a simple principle. A voltage applied across the two metal plates strips away the electrons on the foils. This creates an electric field between the plates. As the electric field expands and contracts between the plates, it causes an alternating current to flow. This alternating current creates a capacitative effect, enabling the capacitor to store and release electrical energy.

Applications

167393J250B-F film capacitors are used in a wide variety of applications, including power supplies, signal coupling, filtering, bypassing, and noise suppression. They are commonly found in many electronic circuits, including radio receivers, consumer electronics, computers, amplifiers, and other audio systems. In addition, 167393J250B-F film capacitors are often used in pulse generating and medical applications due to their high breakdown voltage. Their features also make them ideal for those applications requiring superior stability and longevity.

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