ECQ-E2393JFB

Operating Temperature:	-40°C ~ 105°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.295" (7.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.492" (12.50mm)
Size / Dimension:	0.406" L x 0.177" W (10.30mm x 4.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	ECQ-E(F)
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	250V
Voltage Rating - AC:	--
Tolerance:	±5%
Capacitance:	0.039µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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IntroductionFilm capacitors, also known as film dielectric capacitors or plastic film capacitors, are capacitors which use a plastic film as a dielectric. They are constructed by winding two electrodes onto a plastic film, often a polyester or polypropylene film. Film capacitors have many uses in a variety of applications, including signal processing, energy storage, and audio amplification. In this article, we will focus on the application field and working principle of the ECQ-E2393JFB film capacitor.Application FieldThe ECQ-E2393JFB is a metallized polypropylene film capacitor. It has excellent self-healing properties, making it particularly well-suited for applications with high-voltage, high-current rectifier circuits. It is also suitable for medium frequency switching and power applications, as well as in high-frequency switching and power-cycled circuits.The ECQ-E2393JFB is well-suited for designs where volume and weight are critical factors, such as those found in medical, military, and aerospace applications. It offers high reliability and stability, making it an ideal choice for wave filters and timing circuits.Working PrincipleThe working principle of the ECQ-E2393JFB film capacitor is based on a capacitor\'s ability to store electrical energy. A capacitor is a device that stores and discharges electricity by using two metal plates which are separated by an insulator. The capacitor will charge and discharge depending on the voltage applied to it.When the voltage is applied to the ECQ-E2393JFB, electrical charge accumulates on the two metal plates. As the capacitor charges, the dielectric material, in this case, a plastic film, will break down, weakening the charge and reducing the energy stored in the capacitor. This breakdown is known as a dielectric breakdown and can cause an electrical short in the circuit if not monitored.Once the voltage is removed from the capacitor, the dielectric material will slowly heal itself and the capacitor will regain its original charge. This repair is known as a self-healing process and is one of the key features of the ECQ-E2393JFB film capacitor.ConclusionThe ECQ-E2393JFB film capacitor is an ideal choice for designs where volume and weight are critical factors. It offers excellent self-healing properties and high reliability, making it suitable for applications with high-voltage, high-current rectifier circuits. The working principle of the ECQ-E2393JFB is based on a capacitor\'s ability to store electrical energy, and its dielectric material will heal itself when the applied voltage is removed.

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