LKG1J122MESYCK

Series:	LKG
Packaging:	Bulk
Part Status:	Active
Capacitance:	1200µF
Tolerance:	±20%
Voltage - Rated:	63V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	1000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Polar
Ratings:	--
Applications:	Audio
Ripple Current @ Low Frequency:	2.35A @ 120Hz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	0.787" Dia (20.00mm)
Height - Seated (Max):	1.850" (47.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are commonly used in many electronic devices and circuits. They are used as components to store electrical energy, control voltage, reduce EMI interference caused by signals or interference and stabilize power supplies. The particular capacitor this article will be discussing is the LKG1J122MESYCK.

Application Field

The LKG1J122MESYCK aluminum electrolytic capacitor is most suitable for applications requiring filtering, energy storage, power filtering, rectification circuit filters, anti-interference filter circuits and pulse circuits. It is most commonly used in electrical engineering, communications, computer, video, medical, measurement, and control systems.

Working Principle

Aluminum electrolytic capacitors use two thin aluminum foils with a film of oxide layer as a dielectric in between. The foils are used as plates to hold electrical charge, while the oxide film acts as an insulator. The electrolyte reservoirs are then added at the cathode plate in order to increase the capacitance of the capacitor and widen the range of its operating temperature. The capacitance of aluminum electrolytics depends greatly on the oxide layer, and as such its value can usually vary from ±25% to ±200%. The highest dielectric strengths are typically obtained when the entire oxide layer is anhydrous, or when it is in a state of zero water content. When the oxide layer becomes hydrated, it results in a decrease in capacitance and a reduction in voltage levels, making aluminum electrolytic capacitors unsuitable for use in high voltage applications.

Conclusion

The LKG1J122MESYCK aluminum electrolytic capacitor is a universal capacitor with a wide range of uses. It is most suitable for applications requiring filtering and energy storage, and is commonly used in a variety of electrical engineering, communications, and control systems. The capacitance of aluminum electrolytics depends greatly on the oxide layer, and as such its value can usually vary greatly, while dielectric strength is strongly dependent on the water content within the oxide layer.

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