ECQ-E2684JBB

Operating Temperature:	-40°C ~ 105°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.197" (5.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.697" (17.70mm)
Size / Dimension:	0.484" L x 0.287" W (12.30mm x 7.30mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	ECQ-E(B)
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	250V
Voltage Rating - AC:	--
Tolerance:	±5%
Capacitance:	0.68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, or plastic film capacitors, are devices with large capacitance and high insulation resistance that are available in many standard configurations. The capacitors are produced by manufacturing thin sheets of plastic film onto which a thin layer of aluminum – or in some cases, zinc – is deposited with an electrolytic process. The two layers form a electrodes, separated by an insulating dielectric material. The ECQ-E2684JBB is a Film Capacitor manufactured by Electronicon and is used in a range of applications.

Application Field

The ECQ-E2684JBB is used primarily in electronic and electrical systems and often used as snubber circuits, coupling and decoupling circuits, ultrasonic pulse circuits, and is even suitable for resonant circuits. It can be used for signal filtering, signal coupling, eliminating high voltage impulses, voltage divider circuits and many more applications requiring signal filtering and coupling. The advantage of this device is that it is superior to conventional aluminum electrolytic capacitors in terms of stability, long life, ripple capability, low leakage current and self healing, meaning that when over-voltage or short-circuit occurs, the current will be automatically limited and the capacitor returns to its original state after the fault recovers.

Working Principle

The ECQ-E2684JBB film capacitors are built of a combination of two kinds of materials – an organic and an inorganic – that act together to control the capacitance. The organic material is used as the insulator and dielectric between the two metal electrodes, and effectively acts as a barrier to electric current and a separator of the two electrodes. The inorganic materials act as an cores between the two metal electrodes, and is typically a type of glass. The glass acts to enhance the breakdown voltage by providing an additional resistive layer. The combination of the two materials creates the desired capacitance value, insulating ability, and breakdown voltage for the device. The product is an ideal choice for high-power applications where space is limited. The ECQ-E2684JBB also features low losses with low ESR and losses, making it suitable for a variety of high frequency applications.

Conclusion

The ECQ-E2684JBB Film capacitor has a variety of applications due to its low losses and large capacitance, making it an ideal choice for a range of different applications. It is primarily used in Electronic and Electrical systems, specifically for snubber, coupling and decoupling circuits, ultrasonic pulse circuits, and resonant circuits. It is superior to conventional aluminum electrolytic capacitors in terms of stability, meaning that when over-voltage or short-circuit occurs, the current will be automatically limited and the capacitor returns to its original state after the fault recovers.

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