ECQ-E4124JFW

Operating Temperature:	-40°C ~ 105°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.394" (10.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.591" (15.00mm)
Size / Dimension:	0.728" L x 0.197" W (18.50mm x 5.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	ECQ-E(F)
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	--
Tolerance:	±5%
Capacitance:	0.12µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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What are Film Capacitors?

Film capacitors, also known as plastic film capacitors or polycarbonate film capacitors, are passive components that store electrical energy in an electric field. They are made of two metal plates (electrodes) separated by a dielectric, which is a material that has a very high electrical resistance and is a good insulator. Most film capacitors are designed with a housing, a dielectric material, metal electrodes, and a spacer.Film capacitors are used in a wide range of applications, including filtering, power supply filtering, and coupling, as well as noise suppression and signal conditioning. They are commonly used in high-frequency applications, pulse discharge, and high-voltage applications, as they have low inductance, high capacitance, low stray capacitance, and low energy losses. Film capacitors are also very stable and exhibit low temperature coefficients.

ECQ-E4124JFW Application Field and Working Principle

ECQ-E4124JFW is a type of film capacitor manufactured by Nichicon. It is a metallized polypropylene film capacitor with a range of capacitance from 0.0047μF to 0.75μF. This capacitor is rated with a 3kVAC and has a tolerance of ±0.25pF. It has a life expectancy of more than 1000 hours. The ECQ-E4124JFW is designed for power supply filtering and coupling applications, as well as noise suppression and signal conditioning in high-frequency, pulse discharge and high-voltage applications. It also has a low temperature coefficient, high capacitance, and low energy losses. The working principle of the ECQ-E4124JFW is based on the fact that a voltage is applied across two conducting plates of a capacitor, which generates an electric field between them. This electric field is the result of the electrical charge on the capacitor\'s plates. This charge can be stored in the capacitor and discharges when the voltage is removed. This process is repeated each time the capacitor is charged, and this is why capacitors are often used in circuit applications to store and discharge energy.

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