ESMG100ELL222MJ20S

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.846" (21.50mm)
Size / Dimension:	0.394" Dia (10.00mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ High Frequency:	1.1556A @ 100kHz
Ripple Current @ Low Frequency:	1.07A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	SMG
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	10V
Tolerance:	±20%
Capacitance:	2200µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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ESMG100ELL222MJ20S Application Field and Working Principle

Introduction

Aluminum electrolytic capacitors are able to store much higher energy densities than other types of capacitors due to their high capacitance and high working voltage. The specific aluminum electrolytic capacitor that this article will be discussing is the ESMG100ELL222MJ20S. In this article, we will discuss the application fields of the ESMG100ELL222MJ20S and its basic working principle.

Application Fields

The ESMG100ELL222MJ20S is a radial aluminum electrolytic capacitor with a capacitance of 100 μF, a rated voltage of 25V DC, and an operating temperature range of -30°C to +85°C. It is mainly used for applications requiring low leakage current and high reliability in a wide temperature range.Some applications of the ESMG100ELL222MJ20S may include switching power supplies, home appliances, electronic toys, computers and peripheral equipment, telecommunications, consumer electronics, automotive electronics, and LED lighting.The ESMG100ELL222MJ20S is also commonly used as a filter capacitor, as it is able to suppress unwanted electromagnetic noise.

Working Principle

Aluminum electrolytic capacitors are composed of an aluminum foil with an anodized oxide layer used as the “anode”, a sealed container with a liquid electrolyte as the “cathode”, and an organic layer acting as the di-electric. When a potential is applied across the capacitor, ions pass through the dielectric causing the aluminum foil to be polarized. This polarization forms an electric field that is proportional to the applied voltage.When the capacitor is connected to a direct current (DC) lines, electrons flow from one terminal of the capacitor and create ionic spaces in the liquid electrolyte that exists between the two elements. The process continues until the electrolyte reaches the same potential as the applied voltage and the electric field between the two is balanced.The current inversed will be affected by the capacitance, leakage current, and ESL. The capacitance is the property that determines how much energy can be stored in the capacitor. The leakage current refers to the current that passes through the capacitor even when it’s not in use, and the ESL is the equivalent series inductance that causes a phase delay in the current when the capacitor is connected to an AC line This ESL is caused by the lead wires connecting the two ends of the capacitor, which will cause a resulting lag in the current if unaddressed.

Conclusion

In conclusion, the ESMG100ELL222MJ20S is a radial aluminum electrolytic capacitor with various positive features that make it suitable for a wide variety of applications. It is highly reliable and provides low leakage current, making it a great choice for numerous applications. This article has also discussed the working principle of aluminum electrolytic capacitors in general. Understanding how they work is important for any engineer looking to design with them.

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