LKG2A122MESCBK

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.063" (27.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ Low Frequency:	2.9A @ 120Hz
Applications:	Audio
Ratings:	--
Series:	LKG
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	1000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	1200µF
Part Status:	Active
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: LKG2A122MESCBK Application Field and Working Principle

Aluminum electrolytic capacitors, also called electrolytic capacitors, are widely used in various electronic devices because of their low cost and high performance. The name “aluminum electrolytic capacitor” comes from its construction – a metal anode and electrolyte solution separates the two aluminum foil electrodes. Among all kinds of electrolytic capacitors, LKG2A122MESCBK is particularly appealing due to its unique features.

Application Field

LKG2A122MESCBK capacitors are polar devices, meaning that they must be connected into a circuit with respect to polarity. When polar capacitors are used in AC circuits, their performance can be affected by the direction of the current. As such, they have many applications in AC and DC circuits, both in low-frequency and high-frequency filtering. Moreover, LKG2A122MESCBK capacitors are often used in resonant circuits, such as in radio and TV tuners. They are also used in audio circuits for noise suppression and in power supplies for decoupling.

Working Principle

The structure of an LKG2A122MESCBK capacitor is composed of an anode, a cathode and two dielectric layers. The cathode and the anode are connected by two lead wires, and the dielectric material of the capacitor is an electrolyte solution. The dielectric layer has good electrical property, allowing electrons to pass through the capacitor with ease. When a potential difference is applied across the capacitor, a charge is induced on the anode and the cathode. This creates an electrical field inside the capacitor, resulting in attraction of oppositely charged ions. As the charge builds up, the polarization of the two electrodes increases and the electrical field inside the capacitor reaches a certain magnitude. At this point, the current will be limited by the resistance of the dielectric material, and the voltage across the capacitor will remain constant.

Conclusion

LKG2A122MESCBK is an excellent aluminum electrolytic capacitor that finds extensive application in electrical and electronic circuits. Its unique features and working principle make it suitable for various types of circuits, such as in AC and DC circuits, in resonant circuits, in audio circuits for noise suppression, and in power supplies for decoupling.

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