LKG2A821MESBAK

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.866" (22.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ Low Frequency:	1.9A @ 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:	820µF
Part Status:	Active
Packaging:	Bulk

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Aluminum Electrolytic Capacitors and their Application Field, Working Principle and Examples

Aluminum electrolytic capacitors are a type of capacitor components that use electrolytic to store electrical energy. They have been broadly used in many electric and electronic devices and equipment, such as appliances, automobiles, telecommunications systems, etc. In this article, we introduce their basic application fields, the working principles of aluminum electrolytic capacitors and a brief introduction to the LKG2A821MESBAK Aluminum Electrolytic Capacitor.

Types of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are broadly categorized into tubular, snap-in and screw terminal types. The most popular type is the snap-in type which is a cost-effective solution for the majority of applications due to its relatively low cost and good performance. The tubular type has superior performance and higher capacitance density compared to the snap-in type, making it more expensive. The screw terminal type has the added advantage of being able to withstand higher voltages, making them suitable for higher voltage applications.

Application Fields

Aluminum electrolytic capacitors have a wide range of applications, ranging from applications in consumer electronics and home appliances to industrial and medical equipment. In consumer electronics, they are used as coupling capacitors to filter out high-frequency noise and provide a stable power supply for circuits. In home appliances, they are used as start capacitors to help the motor start before it stabilizes. In industrial applications, they provide power conditioning and high-frequency noise filtering for precision components and equipment. In medical equipment, they are used in power conditioning for medical diagnostic instruments.

Working Principles

Aluminum electrolytic capacitors work by storing electrical energy in an electrolytic solution and using an anode and cathode to control and direct the flow of current. When the applied voltage is higher than the capacitor’s breakdown voltage, it creates an electric field in the electrolyte, resulting in an increase in capacitance. The frequency of the applied voltage affects the size of the electric field, and thus, the amount of current that can be stored in the capacitor.

The LKG2A821MESBAK Aluminum Electrolytic Capacitor

The LKG2A821MESBAK Aluminum Electrolytic Capacitor is a snap-in type capacitor with a rated voltage of 200V DC. Its capacitance is 13µF with a tolerance of ±20%. The temperature range for this type of capacitor is between -25°C to +125°C and it has a maximum life of 5000 hours. It also has a rated ripple current of 5.0mA R.M.P and a high insulation resistance of 50,000MΩ.

Conclusion

Aluminum electrolytic capacitors are versatile components with a wide range of applications and working principles. The LKG2A821MESBAK Aluminum Electrolytic Capacitor is an example of a snap-in type capacitor with a rated voltage of 200V DC and other features suitable for many applications.

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