EKMQ630ELL680MHB5D

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.512" (13.00mm)
Size / Dimension:	0.315" Dia (8.00mm)
Lead Spacing:	0.138" (3.50mm)
Ripple Current @ High Frequency:	279mA @ 100kHz
Ripple Current @ Low Frequency:	155mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KMQ
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	1000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	63V
Tolerance:	±20%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Aluminum Electrolytic Capacitors

Electrolytic capacitors are essential electronic components used to store electrical energy. The two most common types of electrolytic capacitors are aluminum electrolytic capacitors and tantalum electrolytic capacitors. This article will focus on aluminum electrolytic capacitors, exploring their application field and working principle in detail.

What is an Aluminum Electrolytic Capacitor?

An aluminum electrolytic capacitor is a general type of capacitor composed of two aluminum foils that are separated by an electrolyte. It also consists of an anode which is a metal foil and a separator which is an insulating material that supports an oxide film layer that acts as the dielectric. It is usually cylindrically or rectangularly shaped and has positive and negative leads that allow current to flow during a power response.

Application Field of EKMQ630ELL680MHB5D

The EKMQ630ELL680MHB5D capacitor is a type of aluminum electrolytic capacitor that is used in a variety of applications, from audio and digital circuits to medical and automotive fields. It is typically used where high-frequency noise suppression is required, or to supply pulse currents. It is also commonly used in DC-DC converters, power supplies, and other power management applications.

Working Principle of EKMQ630ELL680MHB5D

The EKMQ630ELL680MHB5D capacitor works by storing energy in the electric field between the two aluminum foils. When the capacitor is connected to an electrical source, charge will start to flow through the capacitor. This charge builds up on the metal foil of the anode, forming a thick layer of oxide on the anode foil. This oxide layer serves as the dielectric, which increases the capacitance of the component.The capacitance of the capacitor is determined by the thickness of the oxide layer, which is determined by the amount of charge that flows into and out of the capacitor. When the capacitor is discharged, the charge stored in the electric field is dissipated, and the oxide layer begins to shrink. This reduces the capacitance of the component, and is the process responsible for the leakage current in electrolytic capacitors.

Conclusion

Aluminum electrolytic capacitors are an important type of capacitor used in many electronic circuits and power systems. The EKMQ630ELL680MHB5D capacitor is a type of aluminum electrolytic capacitor that is often used in applications that require high frequency noise suppression and pulse currents. The capacitor works by storing electrostatic charge between its two aluminum foils, and the capacitance of the component is determined by the thickness of the oxide dielectric.

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