ECW-FD2W684J4 Capacitors

Operating Temperature:	-40°C ~ 110°C
Features:	--
Ratings:	--
Applications:	EMI, RFI Suppression; High Frequency, Switching; High Pulse, DV/DT
Lead Spacing:	0.295" (7.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.390" (9.90mm)
Size / Dimension:	0.689" L x 0.264" W (17.50mm x 6.70mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	ECW-F(D)
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	450V
Voltage Rating - AC:	--
Tolerance:	±5%
Capacitance:	0.68µF
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, or simply film caps, are electrical components that are designed to store energy until a specified level is reached. They are generally used to control AC and DC power voltage levels and protect circuits from high voltage surges or spikes. These capacitors are widely used in many different industries. This article will discuss the application field and working principles of the ECW-FD2W684J4 film capacitor.

Application Field

ECW-FD2W684J4 film capacitors are typically used in power electronic applications, such as AC motor drive systems, DC/DC converters, AC/DC and DC/AC inverters, UPS, Switch Mode Power Supplies (SMPS), and other similar applications. They can also be used in smaller applications, such as in medical equipment, consumer electronics, and audio applications. The ECW-FD2W684J4 film capacitors have a high-efficiency design, making them ideal for various control circuits and power systems.

Working Principle

The ECW-FD2W684J4 film capacitor utilizes a polyester film as the dielectric material. This polyester film is sandwiched between two metal electrodes, with adhesive used on the side of the metal electrodes to provide insulation. When voltage is applied to the capacitor, electrons are displaced on the dielectric material, resulting in a progressivly electrostatic charge. The electrostatic charge stores energy until a certain voltage is reached, at which point the capacitor begins to conduct and discharge current. The polyester film used in the ECW- FD2W684J4 capacitor has a high dielectric constant and offers excellent shielding, making it very reliable and efficient for DC and AC power applications.

Conclusion

The ECW- FD2W684J4 film capacitor offers reliable and efficient operations for power electronic applications. It is widely used in various industries and application fields, such as medical equipment, consumer electronics, AC motor drive systems, DC/DC converters, UPS, Switch Mode Power Supplies (SMPS), and more. The ECW- FD2W684J4 uses a polyester film as a dielectric material, which provides excellent shielding and high dielectric constant. With a high-efficiency design, this film capacitor is ideal for various control circuits and power systems.

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