ECQ-E4274EJF

Dielectric Material:	Polyester, Metallized
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	--
Termination:	PC Pins
Height - Seated (Max):	--
Package / Case:	Radial
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 105°C
Series:	ECQ-E(F)
Voltage Rating - DC:	400V
Voltage Rating - AC:	--
Tolerance:	±5%
Capacitance:	0.27µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Introduction

Film capacitors, also known as film dielectric capacitors, are a class of capacitors that use plastic, paper, Mylar (a trademark for polyethylene terephthalate), polycarbonate, or Teflon film as the dielectric material between the two active elements. The “E4274EJF” is a film capacitor that belongs to this category of capacitors. This article will discuss the application field and working principle of the E4274EJF film capacitor.

Application Field

The E4274EJF film capacitor has a wide range of applications, including filtering, switching, timing, demodulation, and voltage dividing. Its wide application field is mainly due to its high dielectric strength and wide working temperature range. For example, this capacitor can be used in automatic control systems in the automotive industry, as well as for very fine frequency adjustments in avionic and radio communications applications. It also offers superior performance in high frequency AC power line and surge suppression.

Working Principle

The working principle of the E4274EJF film capacitor is relatively simple. First, the two metal plates of the capacitor are insulated from each other with a thin dielectric material, such as polyethylene. When a voltage is applied across the two plates, the metal plates become charged. This charge creates an electric field between the two plates, causing a charge transfer between them. This charge transfer causes a weak current to flow between the plates, allowing energy to be stored within the capacitor. For this reason, the capacitor is often referred to as a “flux capacitor” as it stores energy in the form of electric fields. The unique properties of the E4274EJF film capacitor make it ideal for a range of applications, from filtering to timing and voltage dividing. Its high dielectric strength and wide temperature range make it a great choice for many applications in the automotive and avionic industries.

Conclusion

In conclusion, the E4274EJF film capacitor is a versatile component with a wide range of applications in the automotive and avionic industries. Its working principle is relatively simple: two metal plates are insulated from each other with a thin dielectric material, causing a charge transfer between them and allowing energy to be stored within the capacitor. The unique properties of this type of capacitor make it a great choice for many different applications.

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