KP1830147635

Film Capacitors

A film capacitor, also known as a plastic film capacitor, is a type of capacitor that uses a thin plastic film as one of its dielectric layers. Film capacitors are one of the most common type of capacitors and are widely used in various electronic circuit applications. The model number KP1830147635 is a range of film capacitors manufactured by Murata. In this article, we will discuss the application field and the working principle of this type of capacitors.

Application Field

Film capacitors like KP1830147635 capacitors are primarily used for smoothing and filtering DC voltage, adjusting signal levels and for signal ripple removal and interference suppression. These types of capacitors are specifically designed for signal filtering and in applications like DC/DC converters, AC/DC adapters and power supplies.

Film capacitors also find their applications in various audio and video equipment like amplifiers, speakers and LCD displays. Other applications of film capacitors like KP1830147635 are coupling, decoupling, blocking and bypassing of AC signals in telecom and telecommunication equipment. Additionally, these types of capacitors are used in UPS (Uninterruptible Power Supplies) systems, medical and precision instrumentation, computer equipment, servo-controls and security systems.

Working Principle

The film capacitor, like KP1830147635, consists of two metal plates, one of which is a thin metal layer deposited on the plastic film. Both plate is separated by a thin dielectric layer that is usually made of plastic film. When connected by an external circuit, electric charges build up on the two metallic plates, forming an electric field.

The capacitance of a film capacitor mainly depend on the size of the film, the distance between the two plates, and the permittivity of the dielectric materials. The higher the permittivity, the larger the capacitance, the thinner the film and the smaller the distance between the two plates, the greater the capacitance.

In addition, the film capacitor also has good frequency characteristics, and the capacitance is relatively stable when the working frequency is increased. Compared with conventional ceramics and electrolytic capacitors, film capacitors have low temperature coefficient and better stability.

Conclusion

KP1830147635 is one of the most commonly used film capacitors. It has a wide variety of applications, primarily in DC/DC converters, AC/DC adapters and power supplies. Additionally, these capacitors are used for smoothing and filtering of DC voltages, ripple removal, interference suppression and in several other applications. The working principle of these capacitors involve the use of two metal plates separated by a thin dielectric layer, which when connected to an external circuit, builds up electric charges on the two metal plates and forms an electric field.