C274ACF4400LF0J

Series:	C274
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	4µF
Tolerance:	±5%
Voltage Rating - AC:	470V
Voltage Rating - DC:	--
Dielectric Material:	Polypropylene (PP)
Operating Temperature:	-25°C ~ 85°C
Mounting Type:	--
Package / Case:	--
Height - Seated (Max):	--
Termination:	--
Lead Spacing:	--
Applications:	Motor Run; Motor Start
Ratings:	--
Features:	--

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Introduction

Film capacitors, also known as plastic film capacitors, are a type of capacitor made from a plastic impregnated with a metal or ceramic dielectric material. They are widely used in power supplies, audio applications, radio-frequency applications, and high-voltage switch-mode power supplies. One of the most popular film capacitors manufactured is the C274ACF4400LF0J. This capacitor features great performance in both films capacitance and high frequency applications. In this article, the application fields and working principles of the C274ACF4400LF0J will be discussed in detail.

Application Fields

Film capacitors are used to store energy in electric circuits and provide temporarily high capacitance values. The C274ACF4400LF0J is a high-precision capacitor which provides excellent performance in a variety of AC and DC applications. Typical applications include noise filtering, coupling and decoupling, snubber circuits, and power factor correction. Additionally, the 2 Chip Capacitor Construction of the C274ACF4400LF0J makes it an attractive choice for high frequency microwave/RF applications such as oscillator/buffer circuits and pre-emphasis/pre-emphasis-deemphasis networks.

Working Principles

Film capacitors operate by storing electric charge between two conductors separated by a dielectric material. The metal conductors are usually formed into plates that are exposed at either end of the dielectric and are separated by a very slight gap, which is miniaturized by a film-forming process to create a shielding effect. The dielectric material applied between the plates is a plastic impregnated with a metal film, which serves to form a charge and electrical field between the two conductors. Due to the high dielectric strength of the film and the shielding effect, these capacitors exhibit excellent performance in both AC and DC applications.

Benefits and Limitations of the C274ACF4400LF0J

The C274ACF4400LF0J possesses many beneficial properties which make it an attractive choice for a variety of applications. It has a-high self-resonant frequency, low ESR and DSR, high power dissipation, high frequency stability and a low dielectric loss factor. Additionally, the 2 Chip Capacitor Construction offers excellent protection from overvoltage and power surges, making it a preferred choice for high frequency applications.However, the C274ACF4400LF0J also has some limitations. These include a limited voltage range of 24 to 100 Volts, and an operating temperature range of -55°C to 125°C. Additionally, due to its 2 Chip Capacitor Construction, the capacitor requires more space than many other film capacitors.

Conclusion

The C274ACF4400LF0J is a film capacitor which is suitable for applications where good performance is desired at higher frequencies. It offers excellent performance in both AC and DC circuits, and is popular for use in noise filtering, coupling and decoupling, snubber circuits, and power factor correction. Additionally, its 2 Chip Capacitor Construction offers excellent protection from overvoltage and power surges. However, its limited operating temperature range and high space requirements have to be considered when choosing this capacitor for an application.

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