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:	216mA @ 100kHz
Ripple Current @ Low Frequency:	120mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KMG
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	1000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	160V
Tolerance:	±20%
Capacitance:	22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: EKMG161ETD220MJ20S Application Field and Working Principle

Aluminum electrolytic capacitors are widely used in various applications, such as industrial power supplies, automotive, consumer electronics, generating sets, instrumentation amplifiers, and motor drives. The EKMG161ETD220MJ20S, in particular, is a low voltage aluminum electrolytic capacitor designed and manufactured by Vishay. It is a high-frequency, high-voltage, radial-leaded, non-polarized capacitor with a 20% tolerance and low impedance characteristics. This capacitor offers a wide range of applications as it meets the requirements of medium frequency and filtering applications in different electrical systems. This article provides an overview of the different application fields and working principles of the EKMG161ETD220MJ20S capacitor.

Application Fields of EKMG161ETD220MJ20S

• Power Conversion and Automotive: The EKMG161ETD220MJ20S is used in power conversion and automotive applications. It is utilized in power supplies, belt-driven starters, alternators, and Steering Control Modules. It works in conjunction with other components in these systems as a medium-frequency filter or a coupling capacitor. Due to its high capacitance density, it has the capability to operate at high frequencies.
• Telecommunications and Consumer Electronics: The EKMG161ETD220MJ20S is also used in telecommunications and consumer electronics. It is widely used in analogue-to-digital converters, power amplifiers, RF audio amplifiers, and filter blocks. Moreover, it can be used as a coupling capacitor in various consumer electronics products such as cell phones, CD players, and laptop computers.
• Generating Sets and AC/DC Motors: The EKMG161ETD220MJ20S is utilized in generating sets and AC/DC motors. It has the ability to maintain voltage at higher frequencies. In conjunction with other components, it helps to enhance the efficiency and reliability of motor controllers, maximizing their efficiency and also minimizing the harmonic noise.
• Instrumentation Amplifiers and Medical Equipment: This capacitor is also used in instrumentation amplifiers and medical equipment. It is used as a filter capacitor in amplifiers, to reduce high-frequency noise. It is also utilized in various medical electronic systems and equipment such as patient monitors, infusion pumps, and defibrillators.

Working Principle of the EKMG161ETD220MJ20S

The EKMG161ETD220MJ20S capacitor is a non-polarized aluminum electrolytic capacitor. This capacitor operates on the principle of a double layer capacitor, or an pseudocapacitor. This type of capacitor is composed of two electrodes which are soaked in an electrolyte, and the electrons of the electrolyte pass between the two electrodes.The electrolyte of the EKMG161ETD220MJ20S capacitor consists of an organic solvent in which metallic aluminum has been dissolved. The positive electrode of this capacitor consists of a conductive wetting layer on the surface of the aluminum oxide film, while the negative electrode is the aluminum shell itself. When an electrical potential (voltage) is applied to the capacitor, particles of the organic solvent move towards the electrodes, forming two layers of opposite charge on each electrode. This process is referred to as \'double-layer charging\'. The electric field between the two layers produces an electric current, which is stored as charge in the system. The capacitance of the capacitor is varied depending on the thickness of the two layers and the permittivity of the solvent.

Conclusion

The EKMG161ETD220MJ20S is an aluminum electrolytic capacitor which offers a wide range of applications in various electrical and electronic systems. It can be used in power conversion and automotive applications, telecommunications and consumer electronics systems, generating sets, and instrumentation amplifiers and medical equipment. This capacitor works on the principle of a double layer capacitor, which involves the formation of two layers of opposite charge on each electrode when an electrical potential is applied.

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