EKZE500ETS821ML20S

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.846" (21.50mm)
Size / Dimension:	0.630" Dia (16.00mm)
Lead Spacing:	0.295" (7.50mm)
Impedance:	23 mOhms
Ripple Current @ High Frequency:	2.73A @ 100kHz
Ripple Current @ Low Frequency:	1.638A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KZE
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	50V
Tolerance:	±20%
Capacitance:	820µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor, also known as an aluminum-electrolytic capacitor or electro-aluminum capacitor, is a type of capacitor that uses an aluminum foil or solid electrolyte as its dielectric medium, instead of more commonly used materials like paper or plastic. The foil and electrolyte are sealed creating a vacuum-like space, increasing the breakdown voltage of the capacitor. The aluminum electrolytic capacitor is one of the most commonly used capacitors in the world of electronics and can be found in almost any electronic device.The EKZE500ETS821ML20S aluminum electrolytic capacitor is a non-polar design with a 20µF capacitance value and an 821V DC rated working voltage. It is also known as an SMD capacitor because it is designed for surface-mount application. This aluminum electrolytic capacitor is available in both axial and radial packages.The general application field of the EKZE500ETS821ML20S aluminum electrolytic capacitor includes the filtering of AC ripple current, DC blocking, snubbing, and de-coupling signal. It is also suitable for poorly regulated DC power supplies, physical vibration protection, and electrical noise cancelling.When it comes to the working principle of aluminum electrolytic capacitors, it is relatively similar to other types of capacitors. An aluminum electrolytic capacitor is composed of two metallic plates which are separated by a thin dielectric or insulating layer. One of the metallic plates is aluminum, and the other is either pure aluminum or AL ribbon. The layer in between these two plates is a thin, porous layer of insulating material. The insulating material is treated with an electrolyte (usually an acidic solution) in order to increase its surface area and increase the capacitance value of the capacitor. Electrons are able to flow through the aluminum plate, but not the electrolyte. This creates an electric field which applies an electrostatic force to the electrons. This holds the electrons in place and creates a charge barrier which prevents current flow. This electric field creates a capacitance, which can be used to store and transfer energy.The unique characteristics of aluminum electrolytic capacitors make them ideal for many applications. They have an excellent transient response time, low ESR, low inductance, and a high breakdown voltage. In addition, they offer a low profile design and low weight, making them suited to many high-density applications. As a result, aluminum electrolytic capacitors are widely used in power supplies, audio systems, audio filtering, radio receivers, and other high-frequency circuits.

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