EKYB630ELL821MK35S

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.437" (36.50mm)
Size / Dimension:	0.492" Dia (12.50mm)
Lead Spacing:	0.197" (5.00mm)
Impedance:	22 mOhms
Ripple Current @ High Frequency:	2.7A @ 100kHz
Ripple Current @ Low Frequency:	1.62A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KYB
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	10000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	63V
Tolerance:	±20%
Capacitance:	820µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors - EKYB630ELL821MK35S

Aluminum electrolytic capacitors are widely used for their superior performance in terms of capacitance, current handling capacity, voltage ratings, and extended lifetimes when compared to other types of capacitors. This family of components is made up of capacitors which are designed with a positive and negative electrode, a non-conductive separator, and a fluid electrolytic which provides the electrical connection. The size of this family of capacitors increases their popularity due to the low cost and wide range of available form-factors. The specific model and type of aluminum electrolytic capacitor discussed in this article is the EKYB630ELL821MK35S.

Application Field

The EKYB630ELL821MK35S is a surface mount aluminum electrolytic capacitor designed for DC power line and filtering applications. Due to its compact size, the EKYB630ELL821MK35S has become a popular choice in many consumer application designs. With a capacitance range of 2.2µF to 2.22µF and Voltage rating of 6.3V, the EKYB630ELL821MK35S is suitable for low voltage mobile phones, smart home applications, automotive electronics, and industrial control applications. This capacitor is also characterized by excellent surge capability and high ripple current performance. The EKYB630ELL821MK35S can handle up to 1,000mA of current with an extremely low ESR rating of 0.22mohm. This makes it ideal for crossover, buck, boost, and other DC/DC converters. The capacitor is also rated at 85°C, making it suitable for use in high temperature environments.

Working Principle

The working principle of the EKYB630ELL821MK35S aluminum electrolytic capacitor is based on the Faraday\'s law of electrolysis. This law states that when a direct current is applied to two electrodes immersed in an electrolyte, electrons will be transferred from one electrode to the other. In this case, the electrolyte is the fluid contained in the aluminum electrolytic capacitor. The electrodes are the positive and negative plates made of metal foil. The metal foil is etched with many small holes which form a pattern and enable the electrolyte to come into contact with the plates. The current passes through the electrolyte and causes the electrons to be repelled by the negative plate and attracted to the positive plate. This electron movement creates an electric field, which in turn creates a static charge on the plates. The size of the charge is determined by the capacitance of the capacitor. Capacitance is the measure of the amount of charge an electrolytic capacitor can store for a given voltage, and is directly proportional to the plate circumference and inversely proportional to the distance between the two plates. The EKYB630ELL821MK35S is built with a maximum capacitance of 2.22µF, meaning it can store 2.22µF of charge at a given voltage. In applications, the capacitor is charged and discharged rapidly, acting as a filter between the direct current path and the load. This filtering effect reduces the influence of high frequency interference, and allows only the wanted DC signals to be passed to the load. The EKYB630ELL821MK35S aluminum electrolytic capacitor is an excellent performer in terms of capacitance, current handling capacity, voltage ratings, and out of band signal suppression. It has a compact size and a long life which make it extremely popular in many mobile and industrial applications.

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